Check Valves Industrial Valves

Smith & Loveless has revolutionized wafer check valve maintenance with the new RAPIDJACK ™. Clearing wafer check valves of stringy materials and obstructions will now take 15 minutes or less with the new RAPIDJACK ™. Today ’s consumer products promote flushing more and more... [See More]

• Valve Type: Wafer; Check
• Valve Size: 5.00

• Media: Wastewater
• Number of Ports: 2

H4 Series, SS Check Valve, 1/2in. [See More]

• Valve Type: Check

Double Door Wafer-style Check Valve w/ Viton Seat [See More]

• Valve Type: Wafer; Check
• Media: Water; Potable Water

• Primary Material: Ductile Iron
• Valve Size: 10.00

Series CKS An encapsulated spring and sliding poppet provides the same normally-closed, bubble-tight performance in larger sizes 1 1/2 ” through 4 ″. [See More]

• Valve Type: Check; Self-Closing Check Valve
• Media: Acids, Caustics, Chlorine Solutions

• Primary Material: PVC; PP (optional feature); PVDF (optional feature)
• Valve Size: 1.50 to 3.00

One-Way Non-Return Valve (Check Valve) Free Hanging (In-Line) [See More]

• Valve Type: Check; Non-Return Valve (Check Valve)
• Maximum Pressure: 30.00 to 116.00

• Media: Air, Inert Gas; Air
• Connection Description: Tube Fitting; Push-In Connection for Tubing 5/32\" (4.00mm) Dia

A ball check valve with a foot screen can be installed vertically or horizontally on the suction side of a pumpp. The foot valve is an optional ball check valve arrangement where a screen is fitted into the inlet end of a ball check valve. This screen is used to filter large debris and solids from a... [See More]

• Valve Type: Check
• Valve Size: 0.50 to 4.00

• Primary Material: PVC;

  PVC

• Actuation: Manual

Jergens Hydraulic Check Valves allow pressure flow in one direction only. [See More]

• Valve Type: Check
• Maximum Pressure: 5000.00

• Media: Hydraulic
• Flow (Cv): 0.83

Gemels has in its range also hydraulic valves to guarantee the complete package to its customers for exmaple UNIDIRECTIONAL check valve mounted on agriculture and earth movimg machines. [See More]

• Valve Type: Check
• Media: Hydraulic

• Primary Material: Stainless Steel; Steel
• Valve Size: 0.24 to 1.97

The DFT ® Model PDC ® Silent Check Valve is specially designed for use on the discharge side of reciprocating air or gas compressors. It includes a pulse damping chamber to maintain the disc in the open position during the momentary reductions in flow associated with each cycle of a... [See More]

• Valve Type: Metal Seated; Ball Check; Check
• Media: Water; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Sour Gas; Specialty Corrosive; Hydraulic; Air; Breathable; Compressed Air

• Primary Material: Stainless Steel (optional feature); Steel (optional feature)
• Valve Size: 2.00 to 12.00

The Beswick CKVA is a poppet style check valve with adjustable cracking pressure. The cracking pressure can be adjusted from 1 psig to 40 psig. This valve requires back pressure to be applied before the cracking pressure resets to your original set point. [See More]

• Valve Type: Check; Poppet
• Media: Water; Hot Water; Cold Water  ; Ground Water; Potable Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Hydraulic; Steam; Air; Breathable; Compressed Air; Chemical

• Primary Material: Brass / Bronze; Stainless Steel; Black EPDM, Buna-N, Viton, EPDM
• Maximum Pressure: 0.00 to 250.00

3-Way, 2-Position, Fully-Ported, Dbl. Piloted Valve. [See More]

• Valve Type: Check
• Number of Ports: 3

• Maximum Pressure: 150.00
• Media Temperature: 32 to 180

70 - Auto-Drain - This 1" valve is available in stainless steel and PVC. All internal parts are engineered composite with a stainless steel disc and resilient seat. For reference use only. Please check Flomatic's website for the latest valve product specifications. [See More]

• Valve Type: Drain; Check
• Valve Size: 1.00

• Primary Material: Stainless Steel
• Maximum Pressure: 400.00

Friction from metal blades cutting metal causes heat. It can cause enough heat that the tool bit and waste chips can weld to the surface of the workpiece, damaging the surface. Heat can also cause the workpiece to bow slightly, throwing off precision cuts, as well as shorten the life of the cutting... [See More]

• Valve Type: Check
• Media: Hydraulic

• Primary Material: Acetal

APCO Double Door Check Valves by DeZURIK are designed to automatically prevent back-flow in systems where it is desirable to permit flow in one direction and prevent flow in the opposite direction. Double door check valves are recommended for clean liquids and gasses and have an excellent... [See More]

• Valve Type: Check
• Valve Size: 2.00 to 36.00

• Primary Material: Stainless Steel; Steel; Ductile iron, carbon steel, stainless steel, other materials available on application

Sandwich design check valves from Parker Hannifin for use with CETOP 03 stackable hydraulic flow valves. Throttle check is available on port A or B and A + B configurations (See manufacturers part number). â € ¢ Mountable in any position, â € ¢ High flow capacity,... [See More]

• Valve Type: Check
• Maximum Pressure: 5076.32

• Media: Hydraulic
• Media Temperature: -4 to 140

This ultra miniature check valve is only .093 ” in diameter and .33 ” in length. This valve ’s size allows for packaging in extremely small spaces. It is ideal for applications with flow rates up to 0.5 gpm. Features. Ultra Miniature: weighs only 0.14 grams. Free Flow Lohm Rate:... [See More]

• Valve Type: Check

Description. ACV300 No-Slamming hydraulic check valve is a kind of slow-closing check valve which consists of the main valve, check valve, needle valve, ball valve, microform filter, and pressure gauge. Using hydraulic automatic operation, it can make the main valve get the best opening and closing... [See More]

• Valve Type: Control Valve; Check

• Media: Hydraulic

Valve function: non-return function. Screw-in or in-line installation. With connecting thread at both ends, push-in connector at both ends, thread/push-in connector [See More]

• Valve Type: Check
• Media: Air; Compressed Air

• Primary Material: Aluminum
• Maximum Pressure: 5.80 to 174.05

H4 Series, SS Check Valve, 1/2in. [See More]

• Valve Type: Check

High Capacity Spring Loaded Stainless Steel Check Valve 250 WOG, FNPT Threaded w/ FKM Seat [See More]

• Valve Type: Check; Shut Off
• Media: Water; Gas

• Primary Material: Stainless Steel
• Valve Size: 1.00

A specialty diaphragm check valve that opens with virtually no forward pressure. However, Series CKD requires a minimum back pressure of 1/2 PSI to close. When inlet pressure is sensed the sealing disc is pushed off the valve seat opening the valve. In this position the sealing disc is supported... [See More]

• Valve Type: Check; Compact Diaphragm Check Valve
• Media: Extremely Corrosive, Ultra-Pure Liquids

• Primary Material: PVC; PTFE (optional feature); PP (optional feature); PVDF (optional feature)
• Valve Size: 0.25 to 0.50

Non-Return Valve (Check Valve) [See More]

• Valve Type: Check; Non-Return Valve (Check Valve)

Wafer check valves have the option to install a spring assist mechanism in the valve. This spring can be made from either 316 stainless steel or 316 stainless steel with a coating of PTFE for additional chemical resistance. When fluid pressure starts to drop, the spring pushes the ball back into the... [See More]

• Valve Type: Check
• Media: Chemical

• Primary Material: Stainless Steel;

  ECTFE coated 316 stainless steel

• Valve Size: 4.00 to 12.00

Jergens Hydraulic Pilot Operated Check Valves are two-way valves used to lock pressure in a working circuit. Automatic free return flow is provided via air pilot operation. Designed so that loss of shop air line pressure will have no effect on the hydraulic circuit in booster applications. Features,... [See More]

• Valve Type: Check
• Maximum Pressure: 5000.00

• Media: Hydraulic
• Connection Description: 3/4-16

The DFT ® Excalibur ® Silent Check Valve is a spring-assisted, center guided, in-line, check valve that provides reliable, low maintenance service for a wide range of fluids and pressure/temperature combinations. The valve consists of a body, gasket, seat, spring, disc with stem and guide... [See More]

• Valve Type: Metal Seated; Ball Check; Check
• Media: Water; Hot Water; Cold Water  ; Ground Water; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Sour Gas; Specialty Corrosive; Hydraulic; Air; Breathable; Compressed Air

• Primary Material: Aluminum (optional feature); Brass / Bronze (optional feature); Stainless Steel (optional feature); Steel (optional feature); Exotic Metal (optional feature)
• Valve Size: 2.00 to 24.00

The CKV38 series check valve permits free flow in one direction and no (checked) flow in the opposite direction. The valve is specified in many applications because of its very low cracking pressure (typically less than 0.5 psig), its excellent repeatability, and leak-tight operation. Maximum Back... [See More]

• Valve Type: Duckbill; Check
• Valve Size: 0.08

• Primary Material: Stainless Steel; Silicone, EPDM, Viton
• Maximum Pressure: 100.00

Check Valve, #10-32 Ports [See More]

• Valve Type: Lift Check; Check
• Media: Air; Compressed Air

• Primary Material: Brass / Bronze
• Valve Size: 0.19

208 - Cast iron body with epoxy coating and clean-out port. Threaded female x female connection. Features NITRILE (Buna-N) “Sinking Ball ”. For reference use only. Please check Flomatic's website for the latest valve product specifications. [See More]

• Valve Type: Ball Check; Ball; Check
• Valve Size: 1.25 to 2.00

• Primary Material: Cast Iron
• Maximum Pressure: 150.00

APCO Full Flow Foot Valve (FFF) s a type of check valve designed for submerged water or clean fluids service and typically installed at the bottom of a suction line and inside a wet well. It is an inexpensive way to maintain prime on a single centrifugal pump. They are available with Ductile Iron,... [See More]

• Valve Type: Foot Valve; Check
• Valve Size: 3.00 to 24.00

• Primary Material: Stainless Steel; Steel; Ductile iron, carbon steel and 316 stainless steel
• Connection Description: Clamp Flange; Flanged ASME 125/150, Flanged ASME 250/300

Sandwich design check valves from Parker Hannifin for use with CETOP 03 stackable hydraulic flow valves. Throttle check is available on port A or B and A + B configurations (See manufacturers part number). â € ¢ Mountable in any position, â € ¢ High flow capacity,... [See More]

• Valve Type: Check
• Maximum Pressure: 5076.32

• Media: Hydraulic
• Media Temperature: -4 to 140

This cartridge style check valve is only .989 ” in diameter and 1.1 ” in length. This check valve ’s unique design maximizes the free flow in a very short envelope. It is ideal for applications with flow rates up to 80 gpm. Features. Weighs only 55 grams. Free Flow Lohm Rate: 3.5... [See More]

• Valve Type: Check

Description. What is API Check Valve. An API check valve is a type of check valve that complies with the standards set by the American Petroleum Institute (API), a trade association responsible for establishing guidelines and standards for the oil and gas industry. Check valves are used to allow... [See More]

• Valve Type: Check

Valve function: non-return function. Screw-in or in-line installation. With connecting thread at both ends, push-in connector at both ends, thread/push-in connector [See More]

• Valve Type: Check
• Media: Air; Compressed Air

• Primary Material: Aluminum
• Maximum Pressure: 5.80 to 174.05

H4 Series, SS Check Valve, 1/2in. [See More]

• Valve Type: Check

High Capacity Spring Loaded Stainless Steel Check Valve 800 WOG, FNPT Threaded w/ P.T.F.E. Seat [See More]

• Valve Type: Check; Shut Off
• Media: Water; Gas; Steam

• Primary Material: Stainless Steel
• Valve Size: 1.00

Series CKM A unique, patented diaphragm provides normally-closed operation with a bubble-tight seal, even with no reverse pressure. 1/2 ″ through 1 ″ pipe sizes. [See More]

• Valve Type: Check; Self-Closing Check Valve
• Media: Acids, Caustics, Chlorine Solutions

• Primary Material: PVC; CPVC (optional feature); PP (optional feature); PVDF (optional feature)
• Valve Size: 0.50 to 1.00

Non-Return Valve (Check Valve) Sub-Base Mount [See More]

• Valve Type: Check; Non-Return Valve (Check Valve)
• Maximum Pressure: 7.00 to 145.00

• Media: Air, Inert Gas, Liquid; Air
• Media Temperature: 14 to 140

Swing check valves have the option to install an external spring assist assembly. This spring is made from 316SS and is mounted external to the valve. When fluid pressure starts to drop, the spring retracts the swing arm and brings the disc back into the seat position. This effectively reduces the... [See More]

• Valve Type: Check
• Valve Size: 0.75 to 8.00

• Primary Material: PVC; PP; PVDF;

  PVC, PP, PVDF

• Actuation: Manual

The DSV ® is an in-line spring-assisted check valve designed to prevent flow reversal in industries with strict cleanliness codes. To accommodate various piping arrangements, the DSV ® is available as a "Vertical" or "Horizontal" valve. The Horizontal valve is for Horizontal lines requiring... [See More]

• Valve Type: Metal Seated; Ball Check; Check; Sanitary
• Media: Water; Hot Water; Cold Water  ; Ground Water; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Sour Gas; Specialty Corrosive; Steam; Air; Breathable; Compressed Air

• Primary Material: Stainless Steel
• Valve Size: 0.50 to 3.00

The fixed orifice flow control valve is designed with a factory pre-set orifice. Rotation of the knurled sleeve will not change the orifice setting. Ideal for applications where improper adjustment of a flow setting could damage the machine or process. Fluid is metered in one direction, a check... [See More]

• Valve Type: Metering; Check; Choke Valves
• Media: Hot Water; Cold Water  ; Ground Water; Potable Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Hydraulic; Steam; Air; Breathable; Compressed Air; Chemical

• Primary Material: Brass / Bronze; Stainless Steel (optional feature); Buna-N O-ring Seals
• Valve Size: 0.03

The R-614 Multi Check Valve integrates four check valves in one compact valve body. Take advantage of the many features of this versatile line including easy manifold mounted design, integrated circuitry, Octoport outlet design, maximized performance and more. • Efficient design. • Eight... [See More]

• Valve Type: Check
• Maximum Pressure: 150.00

• Media: Water; Oil; Air
• Media Temperature: 32 to 180

208T/S - Corrosion resistant PVC body. Threaded female x female connection. NITRILE (Buna-N) self-cleaning ball. E-Z access port with NITRILE (Buna-N) seal. Also available with socket weld –change part number from “T ” to “S ” –same pricing. For reference use... [See More]

• Valve Type: Ball Check; Ball; Check
• Valve Size: 1.25 to 2.00

• Primary Material: PVC
• Maximum Pressure: 100.00

APCO FRF Full Flow Rubber Flapper Foot Valve is a type of check valve designed for raw sewage applications typically installed at the bottom of a suction line and inside a wet well. It is an inexpensive way to maintain prime on a single centrifugal pump. They are available with Ductile Iron bodies... [See More]

• Valve Type: Foot Valve; Check
• Valve Size: 2.00 to 24.00

• Primary Material: Ductile Iron
• Maximum Pressure: 250.00

Sandwich design check valves from Parker Hannifin for use with CETOP 03 stackable hydraulic flow valves. Throttle check is available on port A or B and A + B configurations (See manufacturers part number). â € ¢ Mountable in any position, â € ¢ High flow capacity,... [See More]

• Valve Type: Check
• Maximum Pressure: 5076.32

• Media: Hydraulic
• Media Temperature: -4 to 140

This miniature high pressure check valve is only .125 ” in diameter and .52 ” in length. This check valve ’s robust design allows it to prevent backflow in high pressure systems up to 8000 psi. It is ideal for applications with flow rates up to 0.8 gpm. An integral safety screen is... [See More]

• Valve Type: Check

Description. The axial nozzle check valve is the preferred solution for preventing return flow or shocks on critical process equipment. Typically used on rotating devices and systems where low-pressure loss, stable operation, and smooth dynamic behavior are essential. bronze no slam check valve. [See More]

• Valve Type: Check

Valve function: non-return function. Screw-in or in-line installation. With connecting thread at both ends, push-in connector at both ends, thread/push-in connector [See More]

• Valve Type: Check
• Media: Air; Compressed Air

• Primary Material: Brass / Bronze
• Maximum Pressure: 5.80 to 116.03

Made of Cast Iron, Spheroidal Graphite Iron and Cast Steel. Features: TRB 801 No. 45 (Not applicable for Cast Iron). Solid Plug and Seat made of stainless material. Re-setting spring made of stainless steel. Precise plug guidance [See More]

• Valve Type: Check
• Maximum Pressure: 580.15

• Valve Size: 4.00

Lined valves and accessories use fluorocarbons such as PFA, PVDF, PTFE, PFA-AS (antistatic), and UHMWPE upon customer request. The melt process allows the liner to be locked into dovetails, locking grooves, and locking holes in the casting. Consequently, the potential for liner collapse and blow out... [See More]

• Valve Type: Ball Check; Check
• Media: Air; Chemical

• Primary Material: Ductile Iron; FEP or PFA Lined
• Valve Size: 1.00

The valve opens as soon as the pressure under the valve seat exceeds the counter pressure. When the pressure is balanced, the valve closes by spring action, which means that in case of a pressure increase, the valve closes on the spring side. Field of application. All industries. Used when backflow... [See More]

• Valve Type: Check; Sanitary
• Valve Size: 1.00 to 4.00

• Media: Water; Powder Solids; Chemical
• Maximum Pressure: 145.00

Techspace Aero is the European leader in the field of regulation valves for launcher engines and stages. The company's engineering skills cover all fluids used in propulsion systems, from extreme cryogenics to combustion gases (nitrogen, helium, hydrogen, oxygen, hydrazine, nitrogen peroxide,... [See More]

• Valve Type: Control Valve; Check; Shut Off

• Media: Gas

4.60mm Tube Socket Port x Male Luer Lock Diaphragm Check Valve, .21 psi Cracking Pressure, Backflow of <0.1 ml/hour of water, Housing Burst Pressure of >=13.8 bar (200 psi) [See More]

• Valve Type: Check; Diaphragm
• Valve Size: 0.18

• Primary Material: Methylmethacrylate acrylonitrile butadiene styrene (MABS)
• Maximum Pressure: 0.21

This engineered component will help you prevent siphoning or backflow of liquid through a downpipe installed in tank level gauging applications. With the KING-GAGE ® Downpipe Backflow Check Valve, you can guard against liquid traveling up through the downpipe and into the system pressure lines. [See More]

• Valve Type: Check

Among our diverse product offerings at Triangle Pump Components, Inc. is the Abrasion Resistant (AR) Valve, designed for applications enduring some of the heaviest wear. This valve, available in two different varieties, is ideally suited for use in pumping environments containing abrasives or small... [See More]

• Valve Type: Lift Check; Check; Compressor Valves
• Media: Gas; Chemical

• Primary Material: Stainless Steel
• Maximum Pressure: 15000.00

CIRCOR Energy continuously provides the industry with technically superior products oriented toward applications that can be exceptionally severe. And today, we produce a comprehensive portfolio of check valve configurations and materials that provide opportunities to service customers in many... [See More]

• Valve Type: Ball Check (optional feature); Swing (optional feature); Wafer (optional feature); Check
• Media: Wastewater

• Primary Material: Cast Iron; Stainless Steel (optional feature); Steel (optional feature)
• Valve Size: 1.00 to 72.00

Our standard Inlet Check Valve adds back-flow protection to any 1/4-28 flat-bottom port. Made from PEEK, PCTFE, perfluoroelastomer, PTFE and stainless steel it offers excellent chemical resistance. It's spring actuated sealing system eliminates back-flow, helping prevents upstream contamination or... [See More]

• Valve Type: Check
• Maximum Pressure: 2000.00

• Primary Material: Stainless Steel; PEEK

This 2-1/2" swing check valve in the open position allows for unobstructed continuous flow with minimal head loss. Swing check valves are designed for horizontal installation. All check valves must be installed with the flow-arrow pointing in the direction of the flow of the system and with the flow... [See More]

• Valve Type: Swing; Check
• Valve Size: 2.50

• Primary Material: PVC
• Connection Description: Socket Weld

F0*MSV-BV. NORMALLY CLOSED BLOCKING VALVE. Mounting Surface NFPA D03 (ISO 4401-03-02-0-05) & NFPA D05 (ISO 4401-05-04-0-05). Max Pressure 5000 PSI (350 bar). Max Flow Rate 30 gpm (114 l/min). Description. This modular stack valve is designed to help block oil movement both from the control valve... [See More]

• Valve Type: Control Valve; Cartridge; Check; Poppet; Solenoid
• Maximum Pressure: 5000.00

• Media: Hydraulic
• Number of Ports: 2

The DCV41 is an austenitic stainless steel disc check valve available with either screwed or socket weld end connections. Its function is to prevent reverse flow on a wide variety of fluids for applications in process lines, hot water systems, steam and condensate systems. [See More]

• Valve Type: Ball Check; Check
• Media: Water; Gas; Steam; Air

• Primary Material: Stainless Steel
• Valve Size: 0.50 to 1.00

Designed for uni-directional flow control of fluids in process systems [See More]

• Valve Type: Ball Check; Check
• Media: Hydraulic

• Primary Material: Stainless Steel
• Valve Size: 0.12

Closes automatically if attached vacuum cups fail to secure the part, thus ensuring the efficiency of the remaining cups. Inserted between the cup and the mounting arm [See More]

• Valve Type: Check
• Connection Description: Threaded

• Media: Air; Compressed Air

DOUBLE CHECK TYPE. 3/4 INCH NOMINAL SIZE. ASSE, CSA APPLICABLE STANDARD. WATER APPLICATION. MAXIMUM 180 DEG F TEMPERATURE RATING. MAXIMUM 150 PSI PRESSURE RATING. 1/2 INCH FNPT X 3/4 INCH FNPT END CONNECTION. BP700 MODEL [See More]

• Valve Type: Check
• Maximum Pressure: 150.00

• Valve Size: 0.75
• Media Temperature: 180

Series ASCV Anti-Siphon/Chemigation Check Valves are used to prevent backflow of mixtures of water and chemicals into the water supply. The spring swing silent check valve is extremely efficient. Series ASCV also features a built in vacuum breaker to provide air release and vacuum relief when flow... [See More]

• Valve Type: Check

• Valve Size: 3.00 to 12.00

this reversing valve is designed for use in hydraulic Dualine systems. It can be used as a. 4/2 or a 3/2 valve and is driven by a direct current geared motor. [See More]

• Valve Type: Metering; Ball Check; Check
• Media: Grease and oil

• Primary Material: Brass / Bronze
• Valve Size: 0.16

Features. Working pressures up to 3000 psig (206 bar). Temperature range from -10 to 375 (-23 to 191 ) with Viton Seal. Cracking pressures adjustable from 3 to 600psi (0.2 to 14.3bar). Variety of end connections. 316 stainless steel and brass materials. Each and every valve is tested at the factory. [See More]

• Valve Type: Check
• Valve Size: 0.25 to 0.31

• Primary Material: Stainless Steel
• Maximum Pressure: 3000.00

Black Polypropylene valves for use with hot corrosive liquids, chemical processing, industrial plating, laboratory and industrial waste drainage systems, and waste treatment systems. Valve pressure rating 20 psi at 73 °F water non-shock full-port, Maximum service temperature 180 °F, Full... [See More]

• Valve Type: Ball Check; Ball; Check; Shut Off
• Valve Size: 0.50 to 4.00

• Primary Material: PP
• Maximum Pressure: 20.00

LID are cartridge valves for check function composed by a 2-way cartridge housed in a recess of standard dimensions and by a closing functional element called "cover". The cartridge is composed by a poppet hydraulically piloted by means of internal connections in the cover and sliding into a drilled... [See More]

• Valve Type: Check
• Valve Size: 0.63 to 3.15

• Media: Hydraulic
• Maximum Pressure: 5076.32

Isogate ® Check Valves are rubber lined swing check valves used for prevention of reverse flow in abrasive and corrosive flow processes. Our Check Valves are fully lined with natural rubber (Linatex ® premium rubber or Linard ® rubber) or synthetic rubber and have no internal metal... [See More]

• Valve Type: Ball Check; Check
• Media: Chemical

• Primary Material: Steel
• Number of Ports: 2

Features. Simple design makes low price. Damages to seal material were reduced by double-touch system (O-ring and metal-seal). Various port sizes and seal materials. Applications. Machine Tools ：Milling machine, NC lathe, laser processing machine etc. Industrial furnace ：General... [See More]

• Valve Type: Check
• Media: Water; Air; Compressed Air

• Primary Material: Brass / Bronze; Stainless Steel
• Valve Size: 0.12 to 1.00

Chonghong provides reliable and perfect quality precision check valves for HPLC system. The seating area of the ball is finely polished and are perfectly matched with the seat to insure a leak free adjustment. Every parts are 100% measured under a pressure of 6 bars of Nitrogen with a dedicated... [See More]

• Valve Type: Ball Check; Cartridge; Check
• Number of Ports: 2

• Maximum Pressure: 87.02
• Actuation: Mechanical

Utilizes a spring-assisted, double disc design that achieves drop tight sealing. Can be installed in both horizontal or vertical flow up positions. Sizes from 14 – 24 ″ | DN350 -DN600. Pressures up to 230 psi | 1586 kPa | 16 bar [See More]

• Valve Type: Ball Check; Check
• Valve Size: 14.00 to 24.00

• Primary Material: Ductile Iron
• Maximum Pressure: 230.00

Cast Iron Body. 150 PSI Service. Shock Resistant. Epoxy Coated for Corrosion Resistance. Available in 4 ", 6 ", 8 ", 10 " and 12 " sizes. The Waterman PC-150 Split Disc Check Valve is rated for working pressures to 150 psi. The valve body is of epoxy coated cast iron... [See More]

• Valve Type: Check

Founded in 1998, FITOK Group has been an industry-leading developer and manufacturer of superior quality instrumentation valves and fittings, having our R &D centers, manufacturing facilities, warehousing and service locations in Offenbach Germany, Texas USA, Shenzhen China and Dubai UAE. We... [See More]

• Valve Type: Check
• Maximum Pressure: 3000.00 to 6000.00

• Media: Water; Air; Compressed Air
• Number of Ports: 2

IBT Industrial Solutions is the expert in hydraulics products and hydraulic solutions. Our experience in fluid power and our wide array of hydraulics products will lead you to the best hydraulics solution for your business. We provide solutions to companies in various industries that rely on mobile... [See More]

• Valve Type: Control Valve; Check; Needle; Solenoid; Relief
• Actuation: Manual; ElectroHydraulic

• Media: Hydraulic

The dual relief valve manifold meets the ANSI/ASHRAE 15-1994 safety requirements for mechanical refrigeration in which pressure vessels that have 10 cubic feet or more of internal gross volume shall be fitted with dual pressure relief valves. This is typically accomplished using a pair of pressure... [See More]

• Valve Type: Control Valve; Check; Relief
• Valve Size: 0.50 to 1.25

• Media: Refrigerants
• Number of Ports: 3

Kingston Horizontal Anti-Hammering Check Valve. Model 200 Check Valve is precision machined with a spring-loaded 'dash-pot ' piston. The dash-pot piston design reduces the hammering effect caused by exhaust pulsation found in piston-type air compressors. Maximum operating pressure 400 psi. [See More]

• Valve Type: Check

E C Tool offers a complete line of Oteco Gate Valves, Demco Gate Valves, O'Drill Pressure Relief valves, manifold valves, butterfly valves, ball valves and check valves to meet you rig needs. We also maintain a large inventory of spare parts for most the valves we offer. [See More]

• Valve Type: Check

• Media: Hydraulic

High Pressure Piping, Valves and Fittings. Based on the High-pressure valves and fittings to IG standards for pressure ratings of 325 and 700 bar, Chemac Inc offers these for pressure ratings of 500, 1600, 2500, 3200, 3600 and 4000 bar in similar construction with lens-type gaskets. Valves with... [See More]

• Valve Type: Control Valve; Angle; Butterfly; Check; Diaphragm; Globe; Piston; Relief

• Media: Water; Gas; Air

The check valves in the VNR Series are available with M5 (10-32 UNF), 1/8" and 1/4" ports. They must be used when it is required to intercept a flow in one direction only. The design of these. valves is of the poppet type and this feature allows operation at low pressures both when there is a free... [See More]

• Valve Type: Lift Check; Check
• Media: Air; Compressed Air

• Primary Material: Brass / Bronze
• Maximum Pressure: 145.00

In-Line Design Double Check Valve Assemblies are designed to prevent the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. They feature a Lead Free* cast copper silicon alloy body and threaded ball valve end connections. Maximum Working... [See More]

• Valve Type: Double Check; Ball (optional feature); Check
• Media: Water; Potable Water

• Primary Material: Ductile Iron (optional feature); Copper (optional feature)
• Valve Size: 0.50 to 10.00

Flow controls and Needle valves are used to reduce the rate of flow in a leg of a system, consequently the restriction slows cylinder speed. Finely threaded stems allow gradual adjustment of controlled flow to match system requirements. Although the basic function is flow restriction, the... [See More]

• Valve Type: Control Valve; Directional; Lift Check; Check; Batwing
• Media: Water; Air; Compressed Air

• Primary Material: Brass / Bronze; Stainless Steel; Exotic Metal
• Valve Size: 0.06

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

• Valve Type: Ball Check; Check
• Media: Air; Compressed Air

• Primary Material: Polycarbonate
• Valve Size: 0.12 to 0.19

A complete range of gate, globe and check valves for all of your high pressure and high temperature applications, proven over years of service in thermal and nuclear power plants as well as oil and gas industry applications around the world. Only Velan offers the advantages of one-piece forged... [See More]

• Valve Type: Butterfly; Check
• Valve Size: 2.50 to 14.00

• Media: Water; Wastewater; Steam
• Connection Description: Butt Weld; Socket Weld; Socket weld, Butt weld

The GRINNELL Model 590 Check Valve is a compact, rugged swing-type unit providing water flow in one direction and preventing flow in the opposite direction. It is manufactured with a ductile iron body, nickel-plated seat and a stainless steel clapper assembly for sizes 2 to 8 inch (60.3 to 219,1... [See More]

• Valve Type: Swing; Check
• Valve Size: 2.00 to 12.00

• Primary Material: Ductile Iron
• Maximum Pressure: 300.00

Curtis Wright provides a variety of industrial grade check valves that meet the harsh environments suitable for applications such as power and oil, petrochemical, hydrocarbon service, seawater cooling systems, offshore applications. Curtiss-Wright check valves are supplied through their Phonix,... [See More]

• Valve Type: Ball Check; Swing; Check
• Media: Water; Hot Water; Gas; High Purity; Specialty Corrosive; Steam; non aggressive liquids, gases and vapours; Chemical

• Primary Material: Stainless Steel; Steel; Exotic Metal
• Valve Size: 0.50 to 24.00

Check Valve - 34019 [See More]

• Valve Type: Check
• Media: Water; Air

• Primary Material: MBS, Silicone

Technical Information. Precision machined ASTM 316L body, stem and disc. 25 Ra polished body and internals. Angle design for precision open and close. Suitable with viscous liquids. Stainless steel spring in both Tri-Clamp ® and weld end designs. Standard VITON ® seal ring, EPDM available... [See More]

• Valve Type: Control Valve; Check; Sanitary

Fitting Type: Double Check valve. Fitting Features: Quick Connect used for backflow prevention. Arrow shows flow direction. Fitting Specifications: Fits any 1/4 tubing. Special Note: The product uses quick connect fittings. If the tube in not inserted all the way into the fitting, although it may... [See More]

• Valve Type: Check

Our IPS Check Valve feature all PTFE wetted surfaces for excellent performance in all high purity applications. Our PTFE design resists chemical corrosion and other elements within a harsh process environments. IPS Check Valves are commonly found as backflow preventers in clean processes. They are a... [See More]

• Valve Type: Check
• Valve Size: 0.12 to 0.50

• Primary Material: PTFE
• Maximum Pressure: 50.00

SCA-X are check and stop valves with built-in stop valve function. SCA-X valves are available in angleway versions. The valves are designed to open at very low differential pressures, allow favourable flow conditions and are easy to disassemble for inspection and service. SCA-X valves are equipped... [See More]

• Valve Type: Check
• Media: Gas; Refrigerents, Ammonia, Propane, Butane, Iso-Butane and Ethane

• Primary Material: Copper
• Valve Size: 0.59 to 4.92

Features & Benefits. Cast Steel, bolted cap and flanged. Swing check valves prevent reversal of flow through the pipeline. Can be installed in horizontal or vertical, upward flow piping. Offer low resistance to flow and are particularly suited to low velocity service. Seat ring is seal welded to... [See More]

• Valve Type: Check
• Media: Water

• Primary Material: Steel

Minimum Pressure Check Valves are control valves typically suitable for application on compressors. Design. Minimum pressure check valves are spring loaded pressure control valves with an inbuilt check (non-return) valve. They are usually fitted to the AIR/OIL separator tank. Valve Opening. The... [See More]

• Valve Type: Check
• Maximum Pressure: 33.00 to 200.00

• Primary Material: Cast Iron
• Media Temperature: 356

. Nonmetallic and Biocompatible. Low Cracking Pressure of 1 psi (0.07 bar). Excellent Chemical Resistance. Upchurch Scientific ® Inline Check Valves provide excellent backflow protection for sensitive equipment along with outstanding chemical resistance only available from PEEK polymer and... [See More]

• Valve Type: Check; Relief

The check valves type CRK and CRB are used to block the flow in one direction and allow free flow in the opposite direction. The check valve type CRK is a spring pre-loaded ball seated valve and is intended to block the flow into the manifold, whereas type CRB is a shim type check valve, intended to... [See More]

• Valve Type: Ball Check; Check
• Media: Hydraulic

• Primary Material: Steel
• Maximum Pressure: 7251.89

Swing and ball check valves. The ductile iron body, made in a modern design with soft sealing elements in an advanced rubber quality from AVK ’s own rubber factory, will ensure an efficient shut-off whenever needed. Most of AVK ’s products in the fire protection range hold... [See More]

• Valve Type: Check
• Valve Size: 2.00 to 3.00

• Media: Water; Cold Water  ; Potable Water
• Media Temperature: 158

COOPER ® Valves full port lift check valves are an excellent choice for applications where faster closing speeds are required to prevent surges. Cooper lift checks are built with an Inconel X-750 spring for extra strength and corrosion resistance. Cooper lift checks have a low differential... [See More]

• Valve Type: Lift Check; Check
• Media: Gas; Natural Gas; Sour Gas; Specialty Corrosive; Chemical

• Primary Material: Stainless Steel; Exotic Metal; Nickel Alloy, Monel, Hastelloy, Incoloy, Inconel,Titanium Alloy, Zirconium Alloy
• Valve Size: 0.50 to 3.00

A screw-in, cartridge-style, hydraulic check valve for use as a blocking or load-holding device. Available in conventional surface mount or convenient “down-hole ” versions. [See More]

• Valve Type: Ball Check; Cartridge; Check
• Media: Hydraulic

• Primary Material: Steel
• Maximum Pressure: 3700.00

For panel, wall, or plate mounting. Compact design [See More]

• Valve Type: Check
• Number of Ports: 2

• Primary Material: Stainless Steel
• Actuation: Mechanical

Design. Cast swing check valve to BS 1868 with bolted cover. Internal hinge pin mounted design. Bigger sizes with anti-slam/dash pot arrangement (optional). With graphite gasket. Seating surfaces 13% Cr steel/stellite hard-faced. Pressure/temperature ratings to ASME B16.34. Flanged/butt weld ends to... [See More]

• Valve Type: Metal Seated; Swing; Check
• Media: Water; Hot Water; Cold Water  ; Gas; Steam; Non-Aggressive Fluids

• Primary Material: Stainless Steel; Steel
• Valve Size: 1.97 to 23.62

Check Valves. For a wide selection of direct- and pilot-operated check valves, engineers look to Eaton for a variety of cartridge and in-line hydraulic products. Eaton covers everything from simple, cost-saving load-bearing devices —beneficial when overrunning loads and control of load release... [See More]

• Valve Type: Cartridge; Check
• Maximum Pressure: 3000.00 to 5000.00

• Media: Hydraulic

Self-draining when installed vertically, it meets all 3A standards [See More]

• Valve Type: Check; Sanitary
• Valve Size: 0.50

• Primary Material: Stainless Steel
• Maximum Pressure: 150.00

The DFT ALC ® is an in-line, spring assisted, center guided “wafer ” check valve designed to prevent “water hammer ” and “reverse ” flow. The lightweight compact design fits between mating flanges and meets API 594 Face-to-Face dimensions. The ALC ® is an... [See More]

• Valve Type: Check

Hydraulic valves are manufactured in a variety of styles to function in different applications. Valves are used to manipulate the flow of hydraulic fluid within a hydraulic circuit and are activated either mechanically or electronically. Directional Control Valves are the most commonly used valve in... [See More]

• Valve Type: Check

• Media: Hydraulic

FUNCTION. The PRINCE valve model RD-1600 is a pilot operated check valve. This valve blocks oil from flowing from the cylinder port to the valve port until sufficient pressure is applied to the pilot port. Oil can free flow from the valve port to the cylinder port. The valve has a two stage poppet... [See More]

• Valve Type: Lift Check; Check
• Media: Hydraulic

• Primary Material: Cast Iron; Steel
• Valve Size: 0.25 to 0.38

The Check Valves permit flow in one direction only; the operation of the check valve is based on the movement of a small disc within the housing. The disc shifts within the housing as the pressure differential changes from forward to reverse. A flat surface on one side of the disc seals off flow,... [See More]

• Valve Type: Wafer; Check
• Media: Air; Compressed Air

• Primary Material: PP
• Valve Size: 0.06 to 0.12

MAXIMATOR ball check valves prevent reverse flow where bubble tight shutoff is not mandatory. These check valves are designed with a ball cradled floating poppet to assure positive inline seating. This poppet design allows full flow around the ball to minimize pressure drop. Check valves are rated... [See More]

• Valve Type: Check
• Media: Gas; Air; Compressed Air

• Primary Material: Stainless Steel
• Valve Size: 0.25

Valves. NOV's Valve Division manufactures top of the line Reset Relief Valves, Shear Relief Valves, Float Valves, and Gate Valves for the oil and gas industry. These product lines protect drilling equipment from pressure spikes and backflow, which can lead to premature failure of equipment if not... [See More]

• Valve Type: Lift Check; Check; Gate; Relief

• Media: Gas

Product Description. The 2100 Hydrant Security Check Valve is the solution to securing all makes and models of fire hydrants in your system. The check valve is MJ x Solid Gland. It connects easily to the MJ shoe of the fire hydrant and is restrained. The check valve is not built into the hydrant... [See More]

• Valve Type: Check
• Media: Water

• Primary Material: Ductile Iron
• Maximum Pressure: 250.00

700 Series: Check Valves. Pressure rating up to 3000 psig (206 bar) at 70 ºF(21 ºC). Temperature rating up to 375 ºF (191 ºC) with standard Viton O-ring. Body materials available in 316 stainless steel and brass. 100% factory tested for cracking and reseal [See More]

• Valve Type: Check
• Media: Hydraulic

• Primary Material: Brass / Bronze (optional feature); Stainless Steel (optional feature)
• Valve Size: 0.12 to 0.50

Features. Wide assortment of NPTF Thread Check Valves. For oxygen and fuel gas service [See More]

• Valve Type: Check; Relief; Shut Off
• Valve Size: 0.25 to 1.50

• Media: Gas; Oxygen, Fuel Gas
• Number of Ports: 2

The No. 200 contains a silicone treated Buna-S rubber poppet, designed to open easily. and be more durable than O-rings. Being flexible, they cannot leak. They are manufactured. from a one piece cast brass body. The unique strainer consists of a helically wound stainless. steel spring wire which is... [See More]

• Valve Type: Foot Valve; Check; Poppet
• Valve Size: 0.75

• Primary Material: Brass / Bronze
• Maximum Pressure: 200.00

The VU series check valves are used in any type of hydraulic circuit, with a safe, compact design suitable to any hydraulic application using non-corrosive liquids. The VU size range includes two different standard openings at 5 to 65 psi. The VU series can also be used as a pressure sequence valve... [See More]

• Valve Type: Check
• Media: Hydraulic

• Primary Material: Steel
• Valve Size: 0.25 to 2.00

The Bushing Valve is a check valve with a standard bushing housing. The valve is adaptable to many types of service applications. It has very little restriction and produces a low pressure drop. It can be used quite effectively in systems where flow and pressure drop are critical by the use of a... [See More]

• Valve Type: Directional; Metal Seated (optional feature); Lift Check; Back Flow; Check; Poppet; Relief; Anti-Siphon; Bushing Valve
• Media: Water; Hot Water; Cold Water  ; Ground Water; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Hydraulic; Steam; Liquids; Air; Chemical

• Primary Material: Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Alloy 20, Alloy C-276, Titanium
• Valve Size: 0.50

bull; Meets or exceeds all applicable requirements of ANSI/AWWA C508 Standard. • Flanged end dimensions and drilling comply with ANSI B16.1, class 125. • Iron body, bronze mounted (IBBM). • Choice of gravity operated, lever and weight operated, or lever and spring operated valves. [See More]

• Valve Type: Swing; Check
• Media: Water; Potable Water

• Primary Material: Cast Iron
• Valve Size: 14.00 to 36.00

The 112 LF series valves are lead free brass, high capacity, in-line check valves manufactured to comply with new lead free legislation. They are available with NPT Female end connections. Features & Benefits. Investment cast 2-piece lead free brass body. Soft seat for bubble tight shutoff,... [See More]

• Valve Type: Swing; Check
• Valve Size: 0.50 to 2.00

• Primary Material: Brass / Bronze
• Maximum Pressure: ? to 400.00

This foot valve matches the bolt pattern of a standard 125 pound cast iron companion flange or a schedule 80 PVC flange. [See More]

• Valve Type: Foot Valve; Check
• Media: Water; Ground Water

• Primary Material: Aluminum
• Connection Description: BoltFlange

These durable, carbon-steel-bodied valves are a combination stop valve and normally-spring-closed check valve. Valves open wide for full flow in the arrow direction on the valve body and promptly reseat when reverse flow occurs. Stainless steel valve stems facilitate positive manual closing while... [See More]

• Valve Type: Check

Continuously bleeds off excess internal gas to maintain a safe positive pressure inside glove boxes. Variable release mechanism automatically discharges any sudden surge of incoming gas. Protects against accidental negative pressure by functioning as a check valve. Extends life of doors and gaskets. [See More]

• Valve Type: Block Bleed; Check; Relief
• Media: Air; Breathable; Compressed Air

• Primary Material: Stainless Steel (optional feature); polymer
• Valve Size: 0.62 to 1.00

1 in. Bronze Check Valve [See More]

• Valve Type: Check
• Valve Size: 1.00

• Primary Material: Stainless Steel
• Connection Description: 1in.

We recognize that quality and dependability is important when it comes to valves and valve automation. As a stocking distributor for several quality brands, we can meet almost any valve requirement be it ball, check, gate, globe, butterfly or needle. Edgen Murray can also provide full automation... [See More]

• Valve Type: Ball; Butterfly; Check; Globe; Needle; Plug

Recommended for use in higher temperature or pressure applications. [See More]

• Valve Type: Ball Check; Check; Pivot Valves
• Media: Water; Hot Water; Cold Water  ; Ground Water; Potable Water; Salt Water; Wastewater (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Hydraulic (optional feature); High Temp and Pressure Applications; Air; Breathable (optional feature); Compressed Air (optional feature); Chemical (optional feature)

• Primary Material: Carbon Steel
• Valve Size: 2.00 to 4.00

High-performance check valve for use with liquid media and air pressure. These brass check valves are specially designed for hydraulic and pneumatic applications in plant engineering and are well proven in applications with submesible pump, pressure, air conditioning systems, heating systems etc. [See More]

• Valve Type: Check
• Media: Hydraulic; Air

• Primary Material: Brass / Bronze
• Valve Size: 0.39 to 1.97

Check valve for applications where some of the suction cups may not be in contact with the workpiece. Deactivation of unused suction cups, the system vacuum is maintained. Handling of workpieces with varying sizes and shapes with the same gripping system [See More]

• Valve Type: Check

• Connection Description: Threaded

• Compact design. • In-line mounted. • Quiet operation. • Instantaneous shutoff against reverse flow, low forward. pressure opening. • Disc seats before reverse flow to avoid fluid shock on. reverse pressure differential [See More]

• Valve Type: Ball Check; Check
• Media: Water; Air

• Primary Material: Brass / Bronze
• Valve Size: 0.25

A Revolutionary Design for Backflow Prevention. Tideflex Duckbill Check Valves have low headloss and achieve the tightest possible seal for backflow operations, particularly at low flow rates. The flexibility of the Tideflex Check Valve allows the valve to compress around trapped solids, providing a... [See More]

• Valve Type: Duckbill; Back Flow; Check
• Media: Water; Ground Water

• Primary Material: Rubber
• Valve Size: 4.00 to 102.00

Back Check Valves. Designed with a soft seat to prevent reverse flow and eliminate counter advancement when PTO is engaged. Includes built-in pressure relied to keep the meter, downstream piping and delivery hose packed to a set pressure. Full port design assures maximum system flow rate. [See More]

• Valve Type: Check; Back Check Valve
• Media: Gas; Gasoline / Diesel Fuel; Chemical

• Primary Material: Aluminum
• Maximum Pressure: ? to 350.00

GF Piping Systems plastic check valves provide minimum pressure loss and can be mounted horizontally or vertically. Our check valves offer good flow characteristics and compact design. Types: Types 561 and 562 ring in a new generation of valves, featuring more safety, simplicity,. Type 301 Y-Globe... [See More]

• Valve Type: Ball Check; Swing; Wafer; Check
• Valve Size: 0.38 to 12.00

• Primary Material: PVC; CPVC; PP; PVDF; ABS
• Connection Description: BoltFlange (optional feature); Tube Fitting; Butt Weld (optional feature); Socket Weld; Fusion

Outside screw/yoke, bolted bonnet, integral seats, flanged ends [See More]

• Valve Type: Swing; Check
• Media: Water; Cold Water  ; Ground Water; Potable Water; Wastewater; Gas; Gasoline / Diesel Fuel; Chemical

• Primary Material: Stainless Steel; Steel
• Valve Size: 0.50

Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. These valves allow fluids to flow in only one direction and require a minimum pressure to open. Features. Service for liquids and gases at pressures up to 200,000... [See More]

• Valve Type: Ball Check; Check
• Media: Gas; Air

• Primary Material: Stainless Steel
• Maximum Pressure: 100000.00

Metric fittings are manufactured in several high performance materials that are FDA and NSF-61 certified for drinking water. [See More]

• Valve Type: Check
• Media: Water; Potable Water

• Primary Material: Brass / Bronze
• Valve Size: 0.50 to 0.59

Valves with socket and NPT(F) threaded connectors [See More]

• Valve Type: Ball Check; Check
• Flow (Cv): 4.80

• Primary Material: PVC

Ideal for reliably holding an actuator position in a variety of applications. ¼ or 1/8 NPT output ports are offered for direct cylinder mount, minimizing space requirements and easing installation. The input port swivels to accommodate valve alignment. 10-32 (F) & ¼ push-in pilot... [See More]

• Valve Type: Check

• Media: Air; Compressed Air

Series ASCV Anti-Siphon/Chemigation Check Valves are used to prevent backflow of mixtures of water and chemicals into the water supply. The spring swing silent check valve is extremely efficient. Series ASCV also features a built in vacuum breaker to provide air release and vacuum relief when flow... [See More]

• Valve Type: Check; Anti-Siphon
• Media: Water; Hot Water; Cold Water  ; Potable Water

• Primary Material: Steel
• Valve Size: 3.00 to 12.00

Valves:Economy Swing Check Valve:Soc x Soc [See More]

• Valve Type: Swing; Check
• Valve Size: 3.00

• Primary Material: PVC

Specially designed for use in stainless steel pipe installations, LKC-2 non-return valves prevent the reverse flow of fluids. Widely used in various processes throughout the sanitary industry, these standard non-return valves are safe and highly reliable. Safe and reliable process protection. Alfa... [See More]

• Valve Type: Check
• Media: Water

• Primary Material: Stainless Steel
• Valve Size: 0.89 to 3.94

The ICV series inline check valves are available in four port sizes from 1/4" NPT to 1" NPT and are rated up to 15,000 psig working pressure. Constructed of Stainless steel for use with water as well as most industrial fluids. The ICV series check valve is a simple and effective component allowing... [See More]

• Valve Type: Directional; Ball Check; Check
• Media: Water; Hot Water; Cold Water  ; Hydraulic

• Primary Material: Stainless Steel
• Valve Size: 0.25 to 1.00

Simple hydraulic flow restrictor that allows fluid to flow in one direction only. In-line mounting [See More]

• Valve Type: Check
• Maximum Pressure: 7500.00

• Media: Hydraulic; Air; Compressed Air
• Number of Ports: 2

Up to 3000psig (206bar). Up to 190 ℃ (375 ℉). ss316, Brass. DK-LOK OD1/8 - 1 inch. Pipe thread 1/8 - 1 inch [See More]

• Valve Type: Lift Check; Check
• Media: Water; Gas; Air; Compressed Air

• Primary Material: Brass / Bronze; Stainless Steel; PTFE (optional feature); Rubber; Viton, NBR, (optional EPDM, Kalrez)
• Valve Size: 0.19

Description. Extreme reliability is inherent due to rugged design, simplicity of operation, and a minimum number of moving parts. Isolation standoffs prevent excessive heat transfer to the solenoid operator. Internal parts are contoured to retard buildup of contamination and sludge. Compact, light... [See More]

• Valve Type: Check
• Valve Size: 0.38 to 2.00

• Media: Water
• Maximum Pressure: 2500.00

CoorsTek provides industrial-grade valves and valve components that excel in even the most punishing conditions. Made to outperform conventional plastic, metal, carbide-coated, and diffusion alloy materials in corrosive, high-temperature, and high-pressure applications our components are made-to-fit... [See More]

• Valve Type: Ball Check; Ball; Check; Gate; Needle; Plug
• Media: Water; Beverages

• Primary Material: Ceramic

High Flow Capacity. Low Cracking Pressure. Compact and Light Weight. Provides Flow in One Direction. Built-In One-Touch Fittings Reduce Installation Time [See More]

• Valve Type: Check
• Valve Size: 0.25

• Primary Material: Brass / Bronze
• Maximum Pressure: 217.56

RYCO RCV BSPP Check Valves permit free flow of fluid in one direction and prevent flow in the reverse direction. The steel poppet valve with metal-to-metal seat is available in seven sizes from -0404 (1/4 inch) to -2424 (11/2 inch) with. They are mounted in-line with BSPP ports 200bar working... [See More]

• Valve Type: Check

• Media: Hydraulic

Pump foot valve [See More]

• Valve Type: Foot Valve; Check
• Valve Size: 1.50 to 8.00

• Media: Water; Wastewater
• Number of Ports: 2

Applicable to circuits where fluid flow must move in one direction, Bosch Rexroth in-line, subplate mounted, and cavity type hydraulic check valves in either direct or pilot operated configurations provide line contact seating arrangements to prevent fluid leakage in the undesired direction. Guided... [See More]

• Valve Type: Check
• Valve Size: 0.24 to 1.26

• Media: Hydraulic

The Specialty Mfg. Co. manufactures a diverse line of check valves made of brass, electroless nickel plated brass & stainless steel. Designs promote multiple configuration, sizes & materials. Options & application include, but are not limited to the following: Pipe Thread (NPT), Hose... [See More]

• Valve Type: Ball Check; Check
• Valve Size: 0.25 to 0.38

• Primary Material: Brass / Bronze
• Maximum Pressure: 3000.00

Zurn Wilkins 40XL2 In-Line Soft-Seated Single Check Valve is designed for potable water applications. Often used to protect a backflow preventer from water systems pressure fluctuations and water hammer conditions. To view all options, see the Specification Sheet - BF-40XL2. Features And Benefits. [See More]

• Valve Type: Back Flow; Check

• Media: Water

Couplers are used anywhere high pressure connections are frequently connected and disconnected. Ideal for quick exchange of quick nozzles and spray guns. Series ST straight-through couplings are designed for use where minimum pressure drop is required and valving is not needed. [See More]

• Valve Type: Check
• Media: Water

• Primary Material: Brass / Bronze
• Valve Size: 0.25

1/8 " Male to 1/8 " Female O.D. 12mm [See More]

• Valve Type: Check

Mounts horizontally or vertical, excellent solids handling, tight shut-off. Cast body and molded lining. [See More]

• Valve Type: Metal Seated; Ball Check; Check
• Media: Water

• Primary Material: Cast Iron
• Valve Size: 0.50 to 8.00

What adds up to make the perfect Check Valve? Cracking at low pressure, remaining completely open during low flows, and lightning fast closing capabilities are all part of the equation. What ’s unique about Check Valves is that less is often more. For instance, our Hy-grade Check Valves have... [See More]

• Valve Type: Check

Check Valves, Fire Resistant Check Valves, Pilot Operated Check Valves (POC), and Related Items [See More]

• Valve Type: Check

Aluminum Bronze Check Valves With Lugged Pattern Wafer Type. [See More]

• Valve Type: Wafer; Check
• Valve Size: 1.00 to 60.00

• Primary Material: Aluminum; Brass / Bronze
• Maximum Pressure: 232.06 to 6091.55

Check Valve, Brass or Stainless Steel. Features. Light Cracking Pressure. Brass or Stainless Body with Stainless Wetted Parts. O-ring on Poppet for a Leak Proof Seal. Solid Body Construction, Won ’t Come Apart During Installation [See More]

• Valve Type: Check
• Media: Water; Hot Water; Cold Water  

• Primary Material: Brass / Bronze; Stainless Steel
• Valve Size: 0.25 to 0.38

Made of Cast Iron, Spheroidal Graphite Iron and Cast Steel. Features: TRB 801 No. 45 (Not applicable for Cast Iron). Solid Plug and Seat made of stainless material. Re-setting spring made of stainless steel. Precise plug guidance [See More]

• Valve Type: Check
• Maximum Pressure: 232.06

• Valve Size: 4.00

Standard version. The VPN valve is a 3A certified non-return valve which is used when backflow of the product in pipelines must be avoided. The valve which only consists of a few parts, is a cost-effective alternative to the DELTA RUF valve. [See More]

• Valve Type: Check; Sanitary

• Media: Water; Powder Solids; Chemical

3mm Port Diaphragm Check Valve, .21 psi Cracking Pressure [See More]

• Valve Type: Check; Diaphragm
• Valve Size: 0.12

• Primary Material: Methylmethacrylate acrylonitrile butadiene styrene (MABS)
• Maximum Pressure: 0.21

Among our diverse pump valve component line at Triangle Pump Components, we offer a Plate Valve model. The plate pump valve is a double-sprung, stem guided plate style valve available with a Delrin ®, Stainless Steel, or titanium plate. This valve features a one-piece retainer that can house... [See More]

• Valve Type: Lift Check; Check; Compressor Valves
• Media: Gas

• Primary Material: Stainless Steel
• Maximum Pressure: 15000.00

Our standard Inlet Check Valve adds back-flow protection to any 1/4-28 flat-bottom port. Made from PEEK, PCTFE, perfluoroelastomer, PTFE and stainless steel it offers excellent chemical resistance. It's spring actuated sealing system eliminates back-flow, helping prevents upstream contamination or... [See More]

• Valve Type: Check
• Maximum Pressure: 2000.00

• Primary Material: Stainless Steel; PEEK

Check valves are used to prevent the reversal of flow in a line. When open and under flow pressure, the checking mechanism will move freely in the media, offering very little resistance and minimal pressure drop. Valve employs a free moving ball, which unseats to permit flow in one direction, but... [See More]

• Valve Type: Check
• Valve Size: 0.50

• Primary Material: PVDF
• Connection Description: Threaded

C03 MSV-P*. PILOT OPERATED CHECK VALVE. Mounting Surface NFPA D03 (ISO 4401-03-02-0-05). Max Pressure 5000 PSI (350 bar). Max Flow Rate 20 gpm (75 l/min). Description. This valve utilizes a guided spool and poppet-seat check valves as a blocking or load-holding device for high pressure applications. [See More]

• Valve Type: Cartridge; Check; Poppet
• Maximum Pressure: 5000.00

• Media: Hydraulic
• Actuation: Pilot

A range of austenitic stainless steel split disc check valves in a wafer pattern suitable for fitting between ASME (ANSI) Class 150 and Class 300, JIS / KS 10K and 20K flanges. Their function is to prevent reverse flow on a wide variety of fluids for applications in process lines, hot water systems,... [See More]

• Valve Type: Metal Seated; Wafer; Check
• Media: Water; Steam; Air

• Primary Material: Stainless Steel
• Valve Size: 1.97 to 11.81

DUAL CHECK INTERMEDIATE VACUUM BREAKER TYPE. 1/2 INCH NOMINAL SIZE. ASSE 1012, CSA APPLICABLE STANDARD. HEATING SYSTEM, HOT/COLD WATER SERVICE APPLICATION. 250 DEG F TEMPERATURE RATING. INTERMEDIATE ATMOSPHERIC VENT INCLUSIONS/FEATURES. BRONZE BODY MATERIAL. 175 PSI PRESSURE RATING. FEMALE THREADED... [See More]

• Valve Type: Check
• Valve Size: 0.50

• Primary Material: Brass / Bronze
• Maximum Pressure: 175.00

Series 6 Brass Midi Check Valves are used in general industrial and plumbing applications. They feature a brass body with NPT female threaded end connections and positive back stop. Series 6 has a silent operation with low opening pressure and low pressure drop. It can be installed in a horizontal... [See More]

• Valve Type: Check
• Media: Water

• Primary Material: Brass / Bronze
• Valve Size: 0.25 to 1.00

Application. Quick Connect Meter Units are oil proportioning devices for cyclic systems. Each outlet of a lubricating system is controlled by a meter unit. The lubricator in the system dispenses known amounts of oil to the distribution network and meter units deliver this oil in varying amounts to... [See More]

• Valve Type: Metering; Ball Check; Check
• Media: Grease and oil

• Primary Material: Brass / Bronze
• Valve Size: 0.16

Features. Pressure rating up to 6,000psig(413bar) at 70 (20 ). Temperature rating up to 375 (190 ) with viton seal standard. Cracking pressure fixed from 1/3 to 25psig (0.02 to 1.7bar). Variety of end connections. 316 stainless steel body material as standard. Each and every valve is tested at the... [See More]

• Valve Type: Check
• Valve Size: 0.19 to 0.59

• Primary Material: Stainless Steel
• Maximum Pressure: 6000.00

Bronze Check Valves for use in commercial and industrial applications. Typical services include; hot and cold water, HVAC, steam, compressed air, gas and other general utility services. 125 psi/8.6 bar saturated steam to 353 °F/178 °C, 200 psi/13.8 bar non-shock cold working pressure,... [See More]

• Valve Type: Ball Check; Swing; Check
• Media: Water; Hot Water; Cold Water  ; Gas; LP Gas; Natural Gas; Steam

• Primary Material: Brass / Bronze
• Valve Size: 0.25 to 4.00

ADR are direct operated check valves for in-line mounting available with port sizes from 1/4" to 1 1/4" GAS. Cartridge designed to operate in hydraulic systems with hydraulic mineral oil or synthetic fluid having similar lubricating characteristics. [See More]

• Valve Type: Check
• Valve Size: 0.25 to 1.25

• Media: Hydraulic
• Maximum Pressure: 5801.51

Isogate ® Check Valves are rubber lined swing check valves used for prevention of reverse flow in abrasive and corrosive flow processes. Our Check Valves are fully lined with natural rubber (Linatex ® premium rubber or Linard ® rubber) or synthetic rubber and have no internal metal parts... [See More]

• Valve Type: Check
• Number of Ports: 2

• Primary Material: Steel
• Connection Description: BoltFlange

Features. 'PC8 series ' is lightweight because resin. In addition to tap water, various liquids can be used. Piping installation posture is free. Low cracking specification. Applications. Machine Tools ：Milling machine, NC lathe, laser processing machine etc. Industrial furnace... [See More]

• Valve Type: Check
• Media: Water; Air; Compressed Air

• Primary Material: Polyacetal
• Valve Size: 0.25 to 0.50

SWING TYPE. 2 INCH NOMINAL SIZE. 2 NOMINAL SIZE - DECIMAL. 2 NOMINAL SIZE - FRACTIONAL. ACID, AIR, OIL APPLICATION. 20 TO 300 DEG F TEMPERATURE RATING. BONDED BUMPER FOR COATING PROTECTION, END SEAL FLUOROELASTOMER GASKET INCLUSIONS/FEATURES. CARBON STEEL BODY MATERIAL. 300 PSI PRESSURE RATING. 2... [See More]

• Valve Type: Check
• Media: Gasoline / Diesel Fuel; Air; Chemical

• Primary Material: Steel
• Valve Size: 2.00

Founded in 1998, FITOK Group has been an industry-leading developer and manufacturer of superior quality instrumentation valves and fittings, having our R &D centers, manufacturing facilities, warehousing and service locations in Offenbach Germany, Texas USA, Shenzhen China and Dubai UAE. We... [See More]

• Valve Type: Ball Check; Check
• Valve Size: 0.09 to 0.69

• Media: Water; Air; Compressed Air
• Maximum Pressure: 10000.00 to 60000.00

The Hand Expansion Valves SEV series features a calibrated, adjustable seat nut flow regulating valve. Expansion valves are ideal for metering of flashing expansion of liquid refrigerants. The slotted seat nut design is more tolerant to dirt particles than tapered plug expansion. Hand wheels are red... [See More]

• Valve Type: Control Valve; Check; Relief
• Valve Size: 0.25 to 2.00

• Media: Liquid, Refrigerants
• Number of Ports: 2

Kingston Horizontal Anti-Hammering Check Valve. Model 205 Check Valve is precision machined with a spring-loaded 'dash-pot ' piston. The dash-pot piston design reduces the hammering effect caused by exhaust pulsation found in piston-type air compressors. Built with a Teflon disc for high... [See More]

• Valve Type: Check

These valves have been designed to mount directly into the cylinder ports. The inner design of the blocking valves Series VBO and VBU allows a very high flow rate and reliable operation. [See More]

• Valve Type: Pilot; Check
• Media: Air; Compressed Air

• Primary Material: Brass / Bronze
• Valve Size: 0.12

Reduced Pressure Zone Assemblies are used to protect against high hazard (toxic) fluids in water services to industrial plants, hospitals, morgues, mortuaries, and chemical plants. They are also used in irrigation systems, boiler feed, water lines and other installations requiring maximum... [See More]

• Valve Type: Check; Relief
• Media: Water; Potable Water

• Primary Material: Brass / Bronze (optional feature); Copper (optional feature)
• Valve Size: 0.50 to 10.00

Cost effective, space saving solution for the use of single or multiple valves. A wide variety of connector, electrical and mounting options are available to accommodate numerous applications. Convenient Line & 90 ° Connectors (both with LED) provide quick electrical connection when used in... [See More]

• Valve Type: Control Valve; Directional; Lift Check; Check; Poppet
• Media: Water; Air; Compressed Air

• Primary Material: Brass / Bronze; Stainless Steel; Exotic Metal
• Valve Size: 0.12 to 0.25

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

• Valve Type: Ball Check; Check
• Media: Air; Compressed Air

• Primary Material: Polycarbonate
• Valve Size: 0.12 to 0.19

A complete range of gate, globe and check valves for all of your high pressure and high temperature applications, proven over years of service in thermal and nuclear power plants as well as oil and gas industry applications around the world. Only Velan offers the advantages of one-piece forged... [See More]

• Valve Type: Swing; Butterfly; Check
• Valve Size: 2.50 to 24.00

• Media: Water; Wastewater
• Connection Description: Butt Weld; Socket Weld; Socket weld, Butt weld

Check Valve, Barbed - 80512 [See More]

• Valve Type: Check
• Media: Water; Air

• Primary Material: PP; PP, Silicone
• Maximum Pressure: 0.50

SCA-X SS are check and stop valves in stainless steel with a built-in stop valve function. SCA-X SS are available in angleway versions. The valves are designed to open at very low differential pressures, allow favourable flow conditions and are easy to disassemble for inspection and service. SCA-X... [See More]

• Valve Type: Check
• Media: Gas; Refrigerents, Ammonia, Propane, Butane, Iso-Butane and Ethane

• Primary Material: Copper
• Valve Size: 0.59 to 1.57

Features & Benefits. Cast Steel, bolted cap and flanged. Swing check valves prevent reversal of flow through the pipeline. Can be installed in horizontal or vertical, upward flow piping. Offer low resistance to flow and are particularly suited to low velocity service. Seat ring is seal welded to... [See More]

• Valve Type: Check
• Media: Water

• Primary Material: Steel

Connection options. The air receiver check valves are available with either male to male or female to male connections, the options can be viewed in the data sheet. The male to male option is also available with a 1/8"BSPT vent if required. [See More]

• Valve Type: Check
• Valve Size: 0.25 to 0.75

• Primary Material: Brass / Bronze
• Maximum Pressure: 217.56

. Adds Back-Flow Protection to any 1/4-28 Flat-Bottom Port. 15 psi (1.0 bar) and 3 psi (0.21 bar) Cracking Pressure Versions. Excellent Chemical Resistance. Connect these Upchurch Scientific ® Inline Check Valves to any 1/4-28 flat-bottom port. Then thread your 1/4-28 flat-bottom fitting into... [See More]

• Valve Type: Check; Relief

These check valves type B are available in three housing designs enabling in-line installation for any requirement. It is also possible to use these valves as foot valves in the suction line of pumps due to their low response pressure. [See More]

• Valve Type: Check
• Media: Hydraulic

• Primary Material: Steel
• Maximum Pressure: 7251.89

Ball Check Valves and Swing Check Valves available in ductile iron or stainless steel. AVK offers a wide range of swing and ball check valves featuring full bore and low head loss resulting in maximum utilisation of the pump capacity. The check valves can be installed in both horizontal and vertical... [See More]

• Valve Type: Check
• Media: Wastewater

• Primary Material: Ductile Iron; Stainless Steel (optional feature)
• Valve Size: 1.25 to 24.00

COOPER ® Valves cast check valves have a simple yet reliable design that allows them to perform with low pressure drop and excellent seat tightness. The Cooper cast check valve is also available for cryogenic service with an extended bonnet. Cast check valves larger than 12 ” are available... [See More]

• Valve Type: Swing; Check
• Media: Gas; Natural Gas; Sour Gas; Specialty Corrosive; Chemical

• Primary Material: Stainless Steel; Exotic Metal; Nickel Alloy, Monel, Hastelloy, Incoloy, Inconel,Titanium Alloy, Zirconium Alloy
• Valve Size: 0.50 to 24.00

A screw-in, cartridge-style, hydraulic check valve for use as a blocking or load-holding device. The cartridge incorporates a low fl ow thermal relief valve intended to prevent cylinder damage resulting from temperature-induced pressure intensifi cation. [See More]

• Valve Type: Ball Check; Cartridge; Check
• Media: Hydraulic

• Primary Material: Steel
• Valve Size: 0.25 to 0.50

Design. Die-forged piston type lift valves as per API 602 (800/1500)/ASME B16.34 (2500). Bolted cover (800) or welded cover (1500/2500). Integral stellite hard-faced body seat, disc seating face 13% Cr steel/stellite hard-faced. Graphite gasket. Pressure/temperature ratings to ASME B16.34. Line... [See More]

• Valve Type: Metal Seated; Wafer; Check
• Media: Water; Hot Water; Cold Water  ; Gas; Steam; Non-Aggressive Fluids

• Primary Material: Steel
• Valve Size: 0.59 to 1.97

The DFT ® Basic-Check valve is a versatile all-purpose, spring-assisted, in-line check valve that provides reliable, low maintenance service for a wide range of liquids and gases at various pressure/temperature combinations. The valve consists of a guard cage, spring, valve disc, retaining ring... [See More]

• Valve Type: Check

MAXIMATOR o-ring check valves provide high quality directional flow control and tight shutoff for liquids and gases. All check valves are supplied with glands and collars. These check valves are not to be used as a relief device. Click on the underlined item number below to request a quote. [See More]

• Valve Type: Check
• Media: Gas; Air; Compressed Air

• Primary Material: Stainless Steel
• Valve Size: 0.25

Product Description. The AMERICAN Series 2100 resilient seated check valve is simple, durable and eliminates most problems associated with metal-seated swing check valves. The Series 2100 features a compact ductile iron body and bonnet. Ductile iron has more than twice the tensile strength of gray... [See More]

• Valve Type: Check
• Media: Water

• Primary Material: Ductile Iron
• Valve Size: 3.00 to 16.00

Compressed Natural Gas Check Valve. Hy-Lok's 700H Series Check Valves are designed for flow control CNG. Tested and certified for this application per AGA/CGA NGV 3.1. [See More]

• Valve Type: Check
• Valve Size: 0.25 to 0.75

• Media: Gas; Natural Gas

The No. 201 is equipped with a stainless steel poppet, ruggedly constructed and suitable for. a wide variety of applications. They are manufactured from a one piece cast brass body. The. unique strainer consists of a helically wound stainless steel spring wire which is durable and. cannot corrode. [See More]

• Valve Type: Foot Valve; Check; Poppet
• Valve Size: 0.75

• Primary Material: Brass / Bronze
• Maximum Pressure: 200.00

The VUX series check valves are used in any type of hydraulic circuit, with a safe, compact design suitable to any hydraulic application using non-corrosive liquids. The VUX size range is offered at a standard opening of 7.5 psi. The VUX series can also be used as a pressure sequence valve by... [See More]

• Valve Type: Check
• Media: Hydraulic

• Primary Material: Stainless Steel
• Valve Size: 0.25 to 1.50

The Connector Valve is a check valve with a hex nipple or connector housing. It is designed to be used in installations where check valves with male pipe threads are required. The Connector Valve is adaptable for use as a check valve, vacuum breaker, or low pressure relief valve. Two valves used in... [See More]

• Valve Type: Directional; Metal Seated (optional feature); Lift Check; Back Flow; Check; Poppet; Relief; Anti-Siphon
• Media: Water; Hot Water; Cold Water  ; Ground Water; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Steam; Liquids; Air; Chemical

• Primary Material: Aluminum (optional feature); Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Alloy 20, Alloy C-276, Titanium
• Valve Size: 0.50

bull; Meets or exceeds all applicable requirements of ANSI/AWWA C508 Standard. • Flanged end dimensions and drilling comply with ANSI B16.1, class 125. • Iron body, bronze mounted (IBBM). • Choice of gravity operated, lever and weight operated, or lever and spring operated valves. [See More]

• Valve Type: Swing; Check
• Media: Water; Potable Water

• Primary Material: Brass / Bronze; Cast Iron
• Valve Size: 2.00 to 12.00

This 45 degree foot valve attaches to a NPT thread end; hose, steel pipe, or PVC. [See More]

• Valve Type: Foot Valve; Check
• Media: Water; Ground Water

• Primary Material: Aluminum
• Connection Description: Threaded

These flanged, heavy-duty, piston-type check valves control the flow of refrigerant. Valves open wide for flow in the direction of the arrow on the valve body. Valves close tight when flow reversals occur. The piston design minimizes pulsations. Valves open when inlet pressure exceeds outlet... [See More]

• Valve Type: Check

1-1/4 in. Sump Pump Check Valve [See More]

• Valve Type: Check

• Valve Size: 1.25

Designed for liquids and gases where flow reversal can cause surge and water hammer. Used extensively in pump suction and discharge applications. [See More]

• Valve Type: Ball Check; Check; Globe
• Media: Water; Hot Water; Cold Water  ; Ground Water; Potable Water; Salt Water; Wastewater (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Hydraulic (optional feature); Air; Breathable; Chemical (optional feature)

• Primary Material: Carbon Steel
• Valve Size: 2.00 to 30.00

CNG Check valve for cars and fueling stations. With the type TVR1 CNG WEH ® offers an advanced, high performance check valve for use with natural gas. The check valve system is designed to minimize the effect of dirt particles on the sealing components within the unit. The WEH ® TVR1 CNG... [See More]

• Valve Type: Check
• Media: Gas; Natural Gas

• Primary Material: Stainless Steel
• Valve Size: 0.24 to 0.47

Check valve for applications where some of the suction cups may not be in contact with the workpiece. Deactivation of unused suction cups, the system vacuum is maintained. Handling of workpieces with varying sizes and shapes with the same gripping system [See More]

• Valve Type: Check

• Connection Description: Threaded

The CheckMate® UltraFlex ™ Inline Check Valve works by preventing unwanted backflow that can cause surcharging and flooding. The valve minimizes damage to commercial, wetlands, beaches and residential areas. It also eliminates hydraulic surges to wastewater treatment plants, saving... [See More]

• Valve Type: Duckbill; Check
• Media: Water; Ground Water

• Primary Material: Rubber
• Valve Size: 3.00 to 78.00

Class 800, ASTM A182/F316L, 316L body/bonnet, threaded or socket weld [See More]

• Valve Type: Metal Seated; Wafer; Check
• Media: Water; Cold Water  ; Ground Water; Potable Water; Wastewater; Gas; Gasoline / Diesel Fuel; Chemical

• Primary Material: Stainless Steel
• Valve Size: 0.50

Metric fittings are manufactured in several high performance materials that are FDA and NSF-61 certified for drinking water. [See More]

• Valve Type: Check
• Media: Water; Potable Water

• Primary Material: Brass / Bronze
• Valve Size: 0.59

Use these push-to-connect check valves for rigid and semirigid plastic tubing. Acetal body with EPDM O-rings. Temperature range of 34 <deg >F (1.1 <deg >C) to 150 <deg >F (65.6 <deg >C). [See More]

• Valve Type: Check

• Primary Material: Acetal

The Series 3000BM1 Double Check Detector Assembly (DCDA) is specifically designed to protect against possible backpressure and backsiphonage conditions for non-health hazard (i.e., pollutant) application in accordance with Local Governing Water Utility Code. This device assembly is primarily used on... [See More]

• Valve Type: Double Check; Back Flow; Check
• Media: Water; Hot Water; Cold Water  ; Potable Water

• Primary Material: Brass / Bronze
• Valve Size: 2.00

Valves:In Line Spring Check Foot Valve:Soc [See More]

• Valve Type: Check
• Valve Size: 1.00

• Primary Material: PVC

Designed to meet the specific demands of the biotech, pharmaceutical and personal care industries, the LKC UltraPure non-return valve provide safe, easy installation and high, consistent quality. UltraPure quality. LKC UltraPure is developed to facilitate safe and easy installation that ensures... [See More]

• Valve Type: Check
• Media: Water

• Primary Material: Stainless Steel
• Valve Size: 0.89 to 3.94

Holds clamping pressure until released by a separate pilot pressure line (allows only one-way flow until released). Can be used as a safety device in case the fluid line to the fixture could become damaged. Can also be used to prevent workpieces from floating between opposing clamps. Leakage-free... [See More]

• Valve Type: Ball Check; Check
• Valve Size: 0.25 to 0.50

• Media: Hydraulic; Air; Compressed Air
• Maximum Pressure: 7500.00

Up to 6000 psig (413bar). Up to 204 ℃ (400 ℉). ss316. O-ring seal blow-out proof design. DK-LOK OD 1/8 - OD1 inch. Pipe thread 1/8 - 1" [See More]

• Valve Type: Lift Check; Check
• Media: Water; Gas; Sour Gas (optional feature); Air; Compressed Air

• Primary Material: Brass / Bronze; Stainless Steel; PTFE (optional feature); Rubber; Viton, NBR, (optional EPDM, Kalrez)
• Maximum Pressure: 6000.00

Description. Extreme reliability is inherent due to rugged design, simplicity of operation, and a minimum number of moving parts. Isolation standoffs prevent excessive heat transfer to the solenoid operator. Internal parts are contoured to retard buildup of contamination and sludge. Compact, light... [See More]

• Valve Type: Check
• Valve Size: 0.38 to 3.00

• Media: Water; Gas
• Maximum Pressure: 2500.00

CoorsTek provides industrial-grade valves and valve components that excel in even the most punishing conditions. Made to outperform conventional plastic, metal, carbide-coated, and diffusion alloy materials in corrosive, high-temperature, and high-pressure applications our components are made-to-fit... [See More]

• Valve Type: Ball Check; Check
• Media: Gas; Specialty Corrosive; Chemical

• Primary Material: Ceramic

High Flow Capacity. Low Cracking Pressure. Compact and Light Weight. Provides Flow in One Direction. Built-In One-Touch Fittings Reduce Installation Time [See More]

• Valve Type: Check
• Valve Size: 0.16

• Primary Material: Brass / Bronze
• Maximum Pressure: 217.56

The Specialty Mfg. Co. is committed to providing quality, custom solutions which meet our customers ’ unique needs. We provide a highly valued experience for our customers and employees by making all our business partnerships enjoyable, professional and profitable. [See More]

• Valve Type: Check; Piston
• Valve Size: 0.12

• Primary Material: Brass / Bronze
• Maximum Pressure: 500.00

The Zurn Wilkins 975XL2 Reduced Pressure Principle Backflow Preventer provides high hazard protection for potable water applications. The wye pattern, bronze body provides separate access to each check valve and the relief valve for servicing. To view all options, see the Specification Sheet -... [See More]

• Valve Type: Back Flow; Check
• Valve Size: 1.00

• Media: Water

Features and Options: Guided Ball for troble free performance. Large open area for flow, results in lower pressure drops. Variety of Corrosion resistantplastic linings for excellent protection in wide range of service conditions. Lined ball with metal insert can be provided on request instead... [See More]

• Valve Type: Metal Seated; Ball Check; Check
• Media: Water

• Primary Material: Ductile Iron; ASTM A394
• Valve Size: 0.50

Key Specifications/Special Features: Working pressure: 125 TO 300LBS. Size range: DN200 to DN1000. Materials: Body: GGG50. Disk: GGG50. Shaft: SS420. Sealing ring: brass. Operated way: with counter weight. Suitable media: water [See More]

• Valve Type: Swing; Check
• Media: Water; Hot Water; Cold Water  ; Potable Water

• Primary Material: Ductile Iron
• Valve Size: 7.87 to 39.37

Check Valve, Brass. Features. Light Cracking Pressure. Brass Body with Stainless Wetted Parts. O-ring on Poppet for a Leak Proof Seal. Solid Body Construction, Won ’t Come Apart During Installation [See More]

• Valve Type: Check; Relief; Safety
• Media: Water; Hot Water; Cold Water  

• Primary Material: Brass / Bronze
• Valve Size: 0.25 to 0.75

Male Slip Luer x Female Luer Lock Check Valve, 1.5-5 psi Cracking Pressure, Backflow of <0.1 ml/hour of water, Housing Burst Pressure of >=55.2 bar (800 psi) [See More]

• Valve Type: Check; Diaphragm
• Maximum Pressure: 1.50 to 5.00

• Primary Material: Lipid Resistant Polycarbonate
• Number of Ports: 1

Triangle Pump Components, Inc. is proud to offer the Durabla V7 Pump Valve as part of our diverse product selection. This specific model from the Durabla family is popularly used on steam pump applications. The V7 ’s seats are furnished in one of three ways: threaded for screw fit, tapered for... [See More]

• Valve Type: Lift Check; Check; Compressor Valves
• Valve Size: 1.50 to 7.75

• Media: Gas; Steam
• Maximum Pressure: 800.00

Our Non-Metallic Inlet Check Valve is biocompatible and delivers a low cracking pressure. It is made from PEEK and Perfluoroelastomer giving it excellent chemical resistance. Metal free composition makes this check valve perfect for use with corrosive fluids and biological samples. It has a female... [See More]

• Valve Type: Check
• Maximum Pressure: 2000.00

• Primary Material: PEEK

These polypropylene check valves have a one piece construction. Valves are rated to 150 PSI maximum. They have a 1-2 PSI spring. Polypropylene is glass filled and the gasket materials is EPDM. Spring is made of 316 stainless steel. [See More]

• Valve Type: Check
• Valve Size: 1.00

• Primary Material: PP

C05 MSV-P*. PILOT OPERATED CHECK VALVE. Mounting Surface NFPA D05 (ISO 4401-05-04-0-05). Max Pressure 4600 PSI (350 bar). Max Flow Rate 32 gpm (120 l/min). Description. This valve utilizes a guided spool and poppet-seat check valves as a blocking or load-holding device for high pressure... [See More]

• Valve Type: Cartridge; Check; Poppet
• Maximum Pressure: 4600.00

• Media: Hydraulic
• Actuation: Pilot

A range of austenitic stainless steel split disc check valves in a wafer pattern suitable for fitting between PN16 and PN40 flanges. Their function is to prevent reverse flow on a wide variety of fluids for applications in process lines, hot water systems, steam and condensate systems. The... [See More]

• Valve Type: Metal Seated; Wafer; Check
• Media: Water; Steam; Air

• Primary Material: Stainless Steel
• Valve Size: 1.97 to 11.81

DAILSET FILL VALVE, BUILT-IN CHECK VALVE TYPE. 1/2 INCH NOMINAL SIZE. BOILER APPLICATION. 212 DEG F TEMPERATURE RATING. UNION NUT, THREADED AND SOLDERED TAILPIECE INCLUSIONS/FEATURES. BRASS BODY MATERIAL. 150 PSI (OPERATING PRESSURE), 8 TO 50 PSI PRESSURE RATING. SOLDERED/THREADED X THREADED END... [See More]

• Valve Type: Check
• Valve Size: 0.50

• Primary Material: Brass / Bronze
• Maximum Pressure: 8.00 to 150.00

The Series 3000BM1 Double Check Detector Assembly (DCDA) is specifically designed to protect against possible backpressure and backsiphonage conditions for non-health hazard (i.e., pollutant) application in accordance with Local Governing Water Utility Code. This device assembly is primarily used on... [See More]

• Valve Type: Double Check; Check
• Valve Size: 2.00

• Primary Material: Brass / Bronze

Mako in-line ball check valves are made to perform with leak-free confidence. These valves are offered in 316 stainless steel and brass, with Viton or Aflas O-rings. [See More]

• Valve Type: Check
• Valve Size: 0.12 to 0.50

• Primary Material: Brass / Bronze (optional feature); Stainless Steel (optional feature)
• Maximum Pressure: 10000.00

Cast Iron Check Valves for use in commercial and industrial applications. Typical services include: hot and cold water, HVAC, steam, gas and other general utility services. 3% Nickel services the pulp and paper industry. 125 psi/8.6 bar saturated steam to 353 °F/178 °C, 200 psi/13.8 bar... [See More]

• Valve Type: Ball Check (optional feature); Swing; Check
• Media: Water; Hot Water; Cold Water  ; Steam

• Primary Material: Cast Iron
• Valve Size: 2.00 to 36.00

The Isogate ® Autoball ™ AB3 valve is specially designed to enable quick changeover between duty and standby pumps in the toughest slurry applications. The Autoball AB3 valve provides a simple automatic changeover system without the costly process control systems otherwise needed. The low... [See More]

• Valve Type: Ball Check; Check
• Media: Slurry

• Primary Material: Steel
• Valve Size: 1.97 to 23.62

Features. Adjustment of cracking pressure is possible. High pressure model (maximum working pressure: 20 Mpa [2900.75psi]). Ideal for small-volume applications such as prototype, research, etc. Compact, lightweight design. Applications. Machine Tools ：Milling machine, NC lathe, laser... [See More]

• Valve Type: Check
• Media: Water; Air

• Primary Material: Brass / Bronze; Stainless Steel
• Valve Size: 0.25 to 0.50

SWING TYPE. 2 INCH NOMINAL SIZE. 2 NOMINAL SIZE - DECIMAL. 2 NOMINAL SIZE - FRACTIONAL. ANSI/NSF 61, UL APPLICABLE STANDARD. ACID, AIR, WATER APPLICATION. -30 TO 230 DEG F TEMPERATURE RATING. END SEAL EPDM GASKET INCLUSIONS/FEATURES. CARBON STEEL BODY MATERIAL. 1000 PSI PRESSURE RATING. 2 INCH IPS... [See More]

• Valve Type: Check
• Media: Water; Air; Chemical

• Primary Material: Steel
• Valve Size: 2.00

Armstrong ’s inline check valves are ideally suited for refrigerant flow control applications. The valves open wide for flow. These valves close quickly and are reliable when flow reversal occurs. The inline check valves feature a plated body, stainless steel disc and spring to enable them to... [See More]

• Valve Type: Control Valve; Check; Relief
• Media: Refrigerants

• Primary Material: Stainless Steel
• Valve Size: 1.00 to 3.00

Kingston Horizontal Check Valve. Kingston Model 215A Spring Loaded Check Valves are for non-return air or liquid applications. Body is of precision-machined cast brass with 25 percent glass-filled Teflon disc and stainless steel spring. These valves are designed for installation in horizontal pipe... [See More]

• Valve Type: Check

Series 406 Detector Check is designed for automatic fire sprinkler systems. Meter detects leakage and/or theft of water from automatic sprinkler systems. Maximum Working Pressure: 175psi (12.1 bar). [See More]

• Valve Type: Check
• Media: Water

• Primary Material: Brass / Bronze
• Valve Size: 2.00

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

• Valve Type: Ball Check; Check
• Media: Air; Compressed Air

• Primary Material: Polycarbonate
• Valve Size: 0.12

A comprehensive range of small forged gate, globe, check, angle and bellows seal valves with unique design features. Features and benefits. • Available types: Piston, Ball, Swing check [See More]

• Valve Type: Butterfly; Check
• Connection Description: Threaded; BoltFlange; Socket Weld; Threaded, Socket weld, Flanged

• Valve Size: 0.25 to 2.00

Qosina offers an extensive line of Check Valves available in a variety of styles that are in stock and ready for immediate delivery. Made of SAN, MABS, and silicone, Qosina part # 80506 features a low, 0.087 psi cracking pressure ideal for infusion, drainage and irrigation applications. This barbed... [See More]

• Valve Type: Check
• Media: Water; Air

• Primary Material: SAN, MABS, Silicone
• Maximum Pressure: 0.09

CHV-X check valves are available in angleway versions. The valves are designed to open at very low differential pressures, allow favourable flow conditions and are easy to disassemble for inspection and service. Laser cut V-ports provide excellent opening characteristics (CHV-X 50-125). The valve... [See More]

• Valve Type: Check
• Media: Gas; Refrigerents, Ammonia, Propane

• Primary Material: Copper
• Valve Size: 1.26 to 4.92

Features & Benefits. Check valves permit flow in one direction only and close automatically if flow reverses. Entirely automatic in action, depending upon pressure and velocity of flow within the line to perform their functions of opening and closing. Lift Check Valves should only be used in... [See More]

• Valve Type: Lift Check; Check
• Media: Water

• Primary Material: Brass / Bronze

Design. The 595 In-line check valves are designed to be fitted in air/gas pipe lines and allow only uni-directional flow. The valves are fitted with an elastomer seal for additional sealing tightness [See More]

• Valve Type: Check
• Valve Size: 0.25 to 1.25

• Primary Material: Brass / Bronze; Stainless Steel
• Maximum Pressure: 6091.58

. Adds Back-Flow Protection to any 1/4-28 Flat-Bottom Port. 15 psi (1.0 bar) and 3 psi (0.21 bar) Cracking Pressure Versions. Excellent Chemical Resistance. Connect these Upchurch Scientific ® Inline Check Valves to any 1/4-28 flat-bottom port. Then thread your 1/4-28 flat-bottom fitting into... [See More]

• Valve Type: Check; Relief

The check valves type HR with hydraulic release, are designed as manifold mounting valves and are available in six sizes. These valves are used in hydraulic circuits with design related, leaking directional valves, as hydraulically actuated drain, or idle circulation valves. The check valve type HRP... [See More]

• Valve Type: Check
• Media: Hydraulic

• Primary Material: Steel
• Maximum Pressure: 10152.64

Wide variety of ball check valves and swing check valves including recoil check valves. The recoil check valve is a high performance, fast acting, non-slam check valve used to prevent flow reversal. Mechanical assistance is given by a combination of inertia reduction, concentration of mass and ideal... [See More]

• Valve Type: Check
• Media: Water; Cold Water  ; Potable Water

• Primary Material: Ductile Iron
• Valve Size: 4.00 to 24.00

Extreme temperatures and pressures require extreme precision and durability —just what Cooper's cryogenic full port check valves deliver. They're available in a variety of sizes ranging from 1/2" to 12", a range of ASME pressure classes, with bolted cover and metal or renewable disks. Options... [See More]

• Valve Type: Cryogenic; Swing; Check
• Media: Gas; Natural Gas; Sour Gas; Specialty Corrosive; Chemical

• Primary Material: Stainless Steel
• Valve Size: 0.50 to 12.00

A screw-in, cartridge-style, pilot-operated, hydraulic check valve for use in blocking or load-holding circuits. [See More]

• Valve Type: Pilot; Ball Check; Cartridge; Check
• Media: Hydraulic

• Primary Material: Steel
• Valve Size: 0.38

Design. Dual-plated wafer type check valve, single-piece body. Metal or elastomer sealing. Cast iron, ductile iron, cast steel or stainless steel body; maintenance free. PN 10 / 16 / 25 / 40, Class 150, Class 300. EN, ANSI and JIS flange connections available. Overview of technical data. Body... [See More]

• Valve Type: Metal Seated; Wafer; Check
• Media: Water; Hot Water; Cold Water  ; Wastewater; Air; Compressed Air

• Primary Material: Cast Iron (optional feature); Stainless Steel (optional feature); Steel (optional feature)
• Valve Size: 1.97 to 23.62

The DFT ® Excalibur Silent Check Valve is a spring-assisted, center guided, in-line, check valve that provides reliable, low maintenance service for a wide range of fluids and pressure/temperature combinations. The valve consists of a body, gasket, seat, spring, disc with stem and guide bushing. [See More]

• Valve Type: Check

MAXIMATOR ball check valves prevent reverse flow where bubble tight shutoff is not mandatory. These check valves are designed with a ball cradled floating poppet to assure positive inline seating. This poppet design allows full flow around the ball to minimize pressure drop. Check valves are rated... [See More]

• Valve Type: Check
• Media: Gas; Air; Compressed Air

• Primary Material: Stainless Steel
• Maximum Pressure: 21000.00

Product Description. AMERICAN has incorporated significant and innovative design changes to help prolong service life for swing check valves in water and sewage service. Traditionally, swing check valves have been manufactured with bronze clapper arm shafts. Under severe service conditions where... [See More]

• Valve Type: Swing; Check
• Media: Water

• Primary Material: Ductile Iron
• Valve Size: 3.00 to 16.00

700H Series: High Pressure Compact Check Valves. Pressure rating up to 6,000 psig(413 bar) at 70 °F(20 °C). Temperature rating up to 375 °F(190 °C) with Viton seal standard. Suitable for gas and liquids. Blow-out resistant and stop reversing flow design. SS316 body material as... [See More]

• Valve Type: Check
• Media: Hydraulic

• Primary Material: Stainless Steel
• Maximum Pressure: 6000.00

The No. 2300 is electroless nickel plated inside and outside, with all other internal parts of. stainless steel. An odorless, tasteless neoprene poppet is fully-formed around a solid steel. insert to provide greater strength in commercial applications. Designed to operate in any. position, a... [See More]

• Valve Type: Lift Check; Check; Poppet
• Valve Size: 0.75

• Primary Material: Brass / Bronze
• Maximum Pressure: 200.00

The VUZ series check valves are used in any type of hydraulic circuit, with a safe, compact design suitable to any hydraulic application using non-corrosive liquids. The VU size range includes two different standard openings at 5 to 65 psi. The VU series can also be used as a pressure sequence valve... [See More]

• Valve Type: Check
• Media: Hydraulic

• Primary Material: Steel
• Valve Size: 0.12 to 2.00

The CAV series of valves are not catalog items but rather are custom designed and tailored to meet customer specific connections or valve configurations. If you have a check valve application where our standard catalog items do not quite match what you are looking for, contact our sales department... [See More]

• Valve Type: Directional; Metal Seated (optional feature); Lift Check; Back Flow; Cartridge (optional feature); Check; Poppet; Relief (optional feature); Anti-Siphon (optional feature)
• Media: Water; Hot Water; Cold Water  ; Ground Water; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Hydraulic; Steam; Liquids; Air; Chemical

• Primary Material: Aluminum; Brass / Bronze; Stainless Steel (optional feature); Steel (optional feature); Exotic Metal; Titanium, Monel
• Actuation: Pressure

bull; Meets or exceeds all applicable requirements of ANSI/AWWA C508 Standard. • Flanged end dimensions and drilling comply with ANSI B16.1, class 125. • Iron body, bronze mounted (IBBM). • Choice of gravity operated, lever and weight operated, or lever and spring operated valves. [See More]

• Valve Type: Swing; Check
• Media: Water; Potable Water

• Primary Material: Brass / Bronze; Cast Iron
• Valve Size: 2.00 to 12.00

Combining an attachment coupling, a 45 degree elbow, a foot valve and a strainer, this SURE-FLO Aluminum Foot Valve fulfils every requirement. A half inch female pipe thread is provided for drainage. Made entirely from aluminum except for the bolts, rubber gaskets and valve flapper, this valve is... [See More]

• Valve Type: Foot Valve; Check
• Media: Water; Ground Water

• Primary Material: Aluminum
• Connection Description: Compression

The HCK4 series of dependable, compact, rugged in-line check valves (disc type non-return valves) is ideally suited for refrigerant flow control applications. Valves open wide for flow in the arrow direction on the valve body. Valves close quickly and reliably when flow reversals occur. Plated... [See More]

• Valve Type: Check

1-1/4 " Bronze Check Valve [See More]

• Valve Type: Check

• Primary Material: Stainless Steel

Designed for liquids and gases where flow reversal can cause surge and water hammer. Used extensively in pump suction and discharge applications. [See More]

• Valve Type: Wafer; Check
• Media: Water; Hot Water; Cold Water  ; Ground Water; Potable Water; Salt Water; Wastewater (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Hydraulic (optional feature); Air; Breathable; Chemical (optional feature)

• Primary Material: Carbon Steel
• Valve Size: 1.00 to 10.00

High-performance check valves for use with liquid and gaseous media. For many years we have been a preferred supplier for a wide range of industries with our check valve range. The WEH check valves are especially designed for both liquid and gaseous media. The check valve system is designed to... [See More]

• Valve Type: Check
• Media: Gas; Air

• Primary Material: Stainless Steel
• Valve Size: 0.16 to 1.97

Check valve for applications where some of the suction cups may not be in contact with the workpiece. Deactivation of unused suction cups, the system vacuum is maintained. Handling of workpieces with varying sizes and shapes with the same gripping system [See More]

• Valve Type: Check

• Connection Description: Threaded

200 psi, WOG at 350 °F, screwed cap, integral seats [See More]

• Valve Type: Swing; Check
• Media: Water; Cold Water  ; Ground Water; Potable Water; Wastewater; Gas; Gasoline / Diesel Fuel; Chemical

• Primary Material: Steel
• Valve Size: 0.50

Metric fittings are manufactured in several high performance materials that are FDA and NSF-61 certified for drinking water. [See More]

• Valve Type: Check
• Valve Size: 0.59

• Media: Water; Potable Water
• Maximum Pressure: 100.00 to 250.00

Constructed of acetal, NBR rubber, and 303 stainless steel. Maximum temperature is 150 <deg >F (66 <deg >C). Install in any position. [See More]

• Valve Type: Check
• Maximum Pressure: 235.00

• Primary Material: Acetal
• Flow (Cv): 1.45

Series 2000B Double Check Valve Assemblies prevent the backflow of contaminated water into the potable water supply. It consists of a bronze body construction that is easy to maintain and service. Series 2000B is ideal at referenced cross-connections identified as non-health hazard applications. [See More]

• Valve Type: Double Check; Back Flow; Check
• Media: Water; Hot Water; Cold Water  ; Potable Water

• Primary Material: Brass / Bronze; Stainless Steel
• Valve Size: 0.50 to 2.00

Valves:In Line Spring Check Valve:Soc x Soc [See More]

• Valve Type: Check
• Valve Size: 0.75

• Primary Material: PVC

Up to 3000psig (206bar). Up to 190 ℃ (375 ℉). ss316, Brass. O-ring seal blow-out proof design. Pipe thread 1/4 - 1/2 inch [See More]

• Valve Type: Lift Check; Check
• Media: Water; Gas; Air; Compressed Air

• Primary Material: Brass / Bronze; Stainless Steel; PTFE (optional feature); Rubber; Viton, NBR, (optional EPDM, Kalrez)
• Maximum Pressure: 3000.00

The SV111 is a spring-activated check valve with disc type seating. It has a relatively low, yet realistic rated cracking pressure, resulting in quick response to changes in fluid pressure. The optically flat PTFE seal disc and seat provides drip tight sealing on most fluids. It ’s small... [See More]

• Valve Type: Ball Check; Check
• Media: Water; Ink & Toner in Printing Ink Systems

• Primary Material: PTFE
• Valve Size: 0.25

CHECK VALVE W/MALE CONN, FOR 3/8OD TUBE, 1/2NPT PORT [See More]

• Valve Type: Check

The Specialty Mfg. Co. is committed to providing quality, custom solutions which meet our customers ’ unique needs. We provide a highly valued experience for our customers and employees by making all our business partnerships enjoyable, professional and profitable. [See More]

• Valve Type: Check; Piston
• Valve Size: 0.12

• Primary Material: Brass / Bronze
• Maximum Pressure: 500.00

The Zurn Wilkins 975XL2 Reduced Pressure Principle Backflow Preventer provides high hazard protection for potable water applications. The wye pattern, bronze body provides separate access to each check valve and the relief valve for servicing. To view all options, see the Specification Sheet -... [See More]

• Valve Type: Back Flow; Check

• Media: Water

Brass Valve with Threaded Connection, PN1MPa to 6MPa Working Pressure. Model Number:LD 014-BS. Key Specifications/Special Features: Types: ball, gate, bib-cock, check, stop, angle, tap... Size range: from 1/4 inch to 2 inch (DN8mm - DN50mm). Working pressure: PN1MPa - 6MPa. Connection: threaded. [See More]

• Valve Type: Angle; Ball; Check; Gate; Bib-Cock, Stop
• Valve Size: 0.25 to 2.00

• Primary Material: Brass / Bronze
• Maximum Pressure: 145.04 to 870.22

Check Valve, Stainless Steel. Features. Light Cracking Pressure. Stainless Body with Stainless Wetted Parts. O-ring on Poppet for a Leak Proof Seal. Solid Body Construction, Won ’t Come Apart During Installation [See More]

• Valve Type: Check; Relief; Safety
• Media: Water; Hot Water; Cold Water  

• Primary Material: Stainless Steel
• Valve Size: 0.25 to 0.75