Water Check Valves

DOUBLE CHECK BACKFLOW PERVENTER, 3/4 INCH SIZE, CAST BRONZE BODY, 175 PSI MAX WATER, 180 F MAX TEMP, 350 PSI MAX HYDROSTATIC TEST PRESSURE. FREE 2 YEAR RADWELL WARRANTY [See More]

• Media: Water

• Valve Type: Back Flow

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, Octo port outlet design, maximized performance and more. • Efficient design. • Eight... [See More]

• Media: Air; Water; Oil
• Maximum Pressure: 150.00

• Connection Description: Threaded
• Media Temperature: 32 to 180

Suitable for air quality to ISO 8573.1 Class 4: dirt, water and oil High flow - up to 8.6 Cv Working pressure up to 188 psi / 13 bar working Allows free flow in one direction and provides positive checked flow in the reverse direction Wide selection of inlet and outlet connections available [See More]

• Media: Air; Water
• Flow (Cv): 8.60

• Maximum Pressure: 188.00

ValvTechnologies is an exclusive distributor of in-line check valves for nuclear applications and licensed manufacturer of ASME III and safety-related check valves. Designed to prevent "water hammer", the spring-assisted, in-line design featured in all DFT® check valves ensures that as the forward... [See More]

• Media: Water; Nuclear
• Valve Size: 0.25 to 24.00

• Valve Type: BallDisk
• Agency: ASME; ANSI; ASME / ANSI Class 150 – 2500

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]

• Media: Hydraulic; Air; Compressed Air; Water; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Sour Gas; Specialty Corrosive
• Material Of Construction: Stainless Steel (optional feature); Steel (optional feature)

• Valve Type: BallDisk; Severe Service
• Valve Size: 2.00 to 12.00

The Waterflex Check Valve is specifically designed for potable water and clean water applications with low suspended solids. The valves are NSF61 Certified for potable water applications. The Waterflex comprises a rod-guided ply-reinforced membrane and perforated disc. The Waterflex is available in... [See More]

• Media: Water

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

• Media: Water; Gas
• Valve Size: 1.00

• Material Of Construction: Stainless Steel
• Connection Description: Threaded

WATTS WATER TECHNOLOGIES , 0887180 , CHECK RUBBER PARTS , RK 009 RC2 3/4 INCH-1 INCH , O-RING REPAIR KIT, KIT CONSISTS OF: DISC, COVER O-RING AND SEAT O-RING. FREE 2 YEAR RADWELL WARRANTY [See More]

• Media: Water

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]

• Media: Hydraulic; Air; Compressed Air; Water; Hot Water; Cold Water  ; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Sour Gas; Specialty Corrosive
• Material Of Construction: Aluminum (optional feature); Brass / Bronze (optional feature); Stainless Steel (optional feature); Steel (optional feature); Exotic Metal (optional feature)

• Valve Type: BallDisk; Severe Service
• Valve Size: 2.00 to 24.00

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

• Media: Water; Gas; Steam
• Valve Size: 1.00

• Material Of Construction: Stainless Steel
• Connection Description: Threaded

The DFT ® Model DLC ® is a corrosion resistant, dependable, versatile and economical spring assisted, in-line check valve for a wide range of applications. Whether the fluid is liquid, gas or steam, the DLC ® provides tight shut-off and protects other equipment in the system from water... [See More]

• Media: Hydraulic; Air; Compressed Air; Water; Hot Water; Cold Water  ; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Sour Gas; Specialty Corrosive; Steam
• Material Of Construction: Stainless Steel; Exotic Metal (optional feature)

• Valve Type: BallDisk; Severe Service
• Valve Size: 0.50 to 3.00

High Flow Rate Brass Spring Loaded Check Valve FNPT Threaded w/ NBR Seat [See More]

• Media: Water; Gas
• Valve Size: 1.00

• Material Of Construction: Brass / Bronze
• Connection Description: Threaded

The FBC ™ is a compact, lightweight, insert wafer check valve that easily installs between two flanges. The in-line, spring assisted design prevents "water hammer" and "reverse flow". The FBC ™ contains all of the proven features of the Basic-Check ® valve developed by DFT ® over... [See More]

• Media: Hydraulic; Air; Compressed Air; Water; Hot Water; Cold Water  ; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Sour Gas; Specialty Corrosive; Steam
• Material Of Construction: Stainless Steel

• Valve Type: BallDisk; Umbrella; Severe Service
• Valve Size: 1.00 to 4.00

High Flow Rate Brass Spring Loaded Check Valve FNPT Threaded w/ Viton Seat [See More]

• Media: Water; Gas
• Valve Size: 0.38

• Material Of Construction: Brass / Bronze
• Connection Description: Threaded

The DFT ® Restrictor Check Valve (RCV) is a versatile, all-purpose, spring-assisted, in-line check valve for applications that require higher cracking pressures to open the check valve than those offered by other DFT ® check valves. Cracking pressures are available from 2 to 40 psi. Like the... [See More]

• Media: Hydraulic; Air; Compressed Air; Water; Hot Water; Cold Water  ; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Sour Gas; Specialty Corrosive
• Material Of Construction: Stainless Steel

• Valve Type: BallDisk; Severe Service
• Valve Size: 0.25 to 2.50

High Flow Rate Spring Loaded Lead Free Brass Check Valve FNPT Threaded w/ NBR Seat [See More]

• Media: Water; Gas
• Valve Size: 1.00

• Material Of Construction: Brass / Bronze
• Connection Description: Threaded

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]

• Media: Air; Compressed Air; Water; Hot Water; Cold Water  ; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Sour Gas; Specialty Corrosive; Steam
• Material Of Construction: Stainless Steel

• Valve Type: BallDisk; Severe Service
• Valve Size: 0.50 to 3.00

High Flow Rate Spring Loaded Lead Free Brass Check Valve w/ EURO-PRESS Connections [See More]

• Media: Water; Gas
• Valve Size: 1.00

• Material Of Construction: Brass / Bronze
• Maximum Pressure: 175.00 to 400.00

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]

• Media: Air; Compressed Air; Water; Hot Water; Cold Water  ; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Sour Gas; Specialty Corrosive; Steam
• Material Of Construction: Stainless Steel

• Valve Type: BallDisk; Severe Service
• Valve Size: 0.50 to 3.00

High Flow Rate Spring Loaded Lead Free Brass Check Valve w/ Solder Ends [See More]

• Media: Water; Gas
• Valve Size: 1.00

• Material Of Construction: Brass / Bronze
• Maximum Pressure: 175.00 to 400.00

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

• Media: Hydraulic; Air; Compressed Air; Water; Hot Water; Cold Water  ; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Sour Gas; Specialty Corrosive
• Material Of Construction: Aluminum (optional feature); Brass / Bronze (optional feature); Cast Iron (optional feature); Stainless Steel (optional feature); Steel (optional feature); Exotic Metal (optional feature)

• Valve Type: BallDisk; Severe Service
• Valve Size: 1.00 to 24.00

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... [See More]

• Media: Hydraulic; Air; Compressed Air; Water; Hot Water; Cold Water  ; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Sour Gas; Specialty Corrosive
• Material Of Construction: Stainless Steel

• Valve Type: BallDisk; Severe Service
• Valve Size: 0.25 to 2.50

New Full Pattern Wafer Check Valves in PVC and CPVC, sizes 2" - 8' with FPM or EPDM Gasket and Disc Seals. Spring return option in 316 Stainless Steel or Hastelloy materials. No spacers or specialty flanges required. Features. Robust Full Pattern Body in PVC, CPVC and Coming Soon, GFPP. No Need for... [See More]

• Media: Water; Potable Water; Wastewater
• Valve Size: 2.00 to 8.00

• Material Of Construction: PVC; CPVC
• Connection Description: Threaded

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]

• Media: Water; Beverages
• Material Of Construction: Ceramic

• Valve Type: BallDisk

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]

• Media: Air; Compressed Air; Water
• Valve Size: 0.12 to 1.00

• Material Of Construction: Brass / Bronze; Stainless Steel
• Connection Description: Threaded

Black acetal copolymer with food grade nitrile rubber o-rings [See More]

• Media: Water; Potable Water
• Valve Size: 0.24 to 0.47

• Material Of Construction: Acetal
• Connection Description: Tube Fitting; 6mm Inlet 12mm Outlet

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]

• Media: Water

• Valve Type: Back Flow

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]

• Media: Water; Hot Water; Cold Water  ; Potable Water
• Valve Size: 3.00 to 12.00

• Material Of Construction: Steel
• Maximum Pressure: 150.00

The Smartflow Mould Temperature Regulator effectively controls mould cooling water temperature between 80 °F and 120 °F (27 °C and 49 °C) to maintain a steady mould temperature. Installed to control water flow exiting an injection mould, the Mould Temperature Regulator quietly... [See More]

• Media: Water; Cold Water  
• Valve Size: 0.25

• Material Of Construction: Brass / Bronze; Stainless Steel
• Maximum Pressure: 125.00

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]

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

• Valve Size: 1.00 to 4.00

Pump foot valve [See More]

• Media: Water; Wastewater
• Valve Size: 1.50 to 8.00

• Valve Type: Foot Valve
• Connection Description: Threaded; FNPT

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]

• Media: Water; Potable Water
• Material Of Construction: Ductile Iron (optional feature); Copper (optional feature)

• Valve Type: Double Check
• Valve Size: 0.50 to 10.00

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]

• Media: Water
• Valve Size: 0.89 to 3.94

• Material Of Construction: Stainless Steel
• Connection Description: Butt Weld

Check Valve - 34019 [See More]

• Media: Air; Water

• Material Of Construction: MBS, Silicone

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]

• Media: Air; Compressed Air; Water
• Material Of Construction: Brass / Bronze; Stainless Steel; Exotic Metal

• Valve Type: Lift Check
• Valve Size: 0.06

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]

• Media: Water
• Connection Description: Threaded

• Valve Size: 0.38 to 2.00
• Maximum Pressure: 2500.00

Flood-Guard ™ operates like a check valve to seal off water back-up caused by overloaded sewers. Water flows normally through the drain until the sewer begins to back up. Then the Flood-Guard ™ float rises to seal off the drain opening until the water recedes. A screwdriver and a couple... [See More]

• Media: Water; Cold Water  ; Wastewater
• Material Of Construction: Stainless Steel; Rubber

• Valve Type: Back Flow
• Valve Size: 2.00 to 4.00

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]

• Media: Water; Hot Water; Cold Water  ; Potable Water
• Material Of Construction: Ductile Iron

• Valve Type: Swing
• Valve Size: 7.87 to 39.37

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]

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

• Valve Size: 2.50 to 14.00
• Agency: ASME

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]

• Media: Water

• Material Of Construction: Steel

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

• Media: Water
• Material Of Construction: Cast Iron

• Valve Type: BallDisk
• Valve Size: 0.50 to 8.00

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]

• Media: Water
• Maximum Pressure: 250.00

• Material Of Construction: Ductile Iron

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]

• Media: Air; Water; Gas

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]

• Media: Water; Potable Water
• Material Of Construction: Cast Iron

• Valve Type: Swing
• Valve Size: 14.00 to 36.00

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]

• Media: Water
• Valve Size: 0.25

• Material Of Construction: Brass / Bronze
• Connection Description: Threaded

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]

• Media: Air; Compressed Air; Water
• Media Temperature: -10 to 900

• Maximum Pressure: 3000.00 to 6000.00
• Flow (Cv): 0.10 to 4.48

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]

• Media: Air; Water; Gas; Steam
• Material Of Construction: Stainless Steel

• Valve Type: BallDisk
• Valve Size: 0.50 to 1.00

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

• Media: Air; Compressed Air; Water; Gas
• Material Of Construction: Brass / Bronze; Stainless Steel; Viton, NBR, (optional EPDM, Kalrez); PTFE (optional feature); Rubber

• Valve Type: Lift Check
• Valve Size: 0.19

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]

• Media: Air; Water
• Valve Size: 2.00

• Material Of Construction: Steel
• Maximum Pressure: 1000.00

35 Series products are manufactured in polysulfone and certified to NSF-61, NSF-14, CSA B137.5, ASTM F877, IGC 188-04c and recognized by the Uniform Plumbing Code. [See More]

• Media: Water; Potable Water
• Valve Size: 0.25 to 1.00

• Material Of Construction: Polysulfone
• Connection Description: Threaded (optional feature); Union (optional feature); Tube Fitting (optional feature)

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]

• Media: Hydraulic; Air; Water; Hot Water; Cold 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
• Material Of Construction: Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Alloy 20, Alloy C-276, Titanium

• Valve Type: Lift Check; Poppet; Back Flow
• Valve Size: 0.50

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]

• Media: Water
• Material Of Construction: Rubber

• Valve Type: Duckbill; Back Flow
• Valve Size: 4.00 to 102.00

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]

• Media: Water; Hot Water; Cold Water  ; Gas; LP Gas; Natural Gas; Steam
• Material Of Construction: Brass / Bronze

• Valve Type: BallDisk; Swing
• Valve Size: 0.25 to 4.00

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]

• Media: Water; Hot Water; Gas; High Purity; Specialty Corrosive; Steam; non aggressive liquids, gases and vapours
• Material Of Construction: Stainless Steel; Steel; Exotic Metal

• Valve Type: BallDisk; Swing; Severe Service
• Valve Size: 0.50 to 24.00

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]

• Media: Water
• Material Of Construction: Stainless Steel

• Valve Type: BallDisk
• Connection Description: Inlet: 4L, Outlet: 4L

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]

• Media: Water; Hot Water; Cold Water  ; Gas; Steam; Non-Aggressive Fluids
• Material Of Construction: Stainless Steel; Steel

• Valve Type: Swing
• Valve Size: 1.97 to 23.62

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]

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

• Valve Size: 2.00 to 3.00
• Agency: DIN

• 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]

• Media: Air; Water
• Material Of Construction: Brass / Bronze

• Valve Type: BallDisk
• Valve Size: 0.25

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

• Media: Hydraulic (optional feature); Air; Compressed Air (optional feature); Water; Hot Water; Cold 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); High Temp and Pressure Applications
• Material Of Construction: Carbon Steel

• Valve Type: BallDisk
• Valve Size: 2.00 to 4.00

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

• Media: Water
• Material Of Construction: Aluminum

• Valve Type: Foot Valve
• Connection Description: BoltFlange

The model WSSCV is an all stainless steel in-line check valve for steam, gas, or liquid service. It provides tight shut-off, minimizes water hammer and also stops recycling of pumps by preventing back flow of liquid. Used in the petrochemical, pulp and paper, textile and the food & beverage... [See More]

• Media: Water; Gas; Steam; Liquids
• Material Of Construction: Stainless Steel

• Valve Type: Poppet
• Valve Size: 0.50

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]

• Media: Water
• Valve Size: 0.25 to 1.00

• Material Of Construction: Brass / Bronze

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

• Media: Water; Cold Water  ; Potable Water; Wastewater; Gas; Gasoline / Diesel Fuel
• Material Of Construction: Stainless Steel; Steel

• Valve Type: Swing
• Valve Size: 0.50

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]

• Media: Hydraulic; Water; Hot Water; Cold Water  
• Material Of Construction: Stainless Steel

• Valve Type: BallDisk
• Valve Size: 0.25 to 1.00

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]

• Media: Water; Hot Water; Cold Water  
• Valve Size: 0.25 to 0.38

• Material Of Construction: Brass / Bronze; Stainless Steel
• Connection Description: Threaded; 1/4, 3/8, 1/2, 3/4" BSP-F

SLC Series Y-Check valves are available in PVC only. Seals are FPM or EPDMand are offered in threaded body version only. True union end connections are available in socket or threaded styles. All valves are assembled with silicone free lubricant. Features. PVC. Full Flow Design. Closes with No Back... [See More]

• Media: Water; Potable Water; Wastewater
• Valve Size: 0.50 to 4.00

• Material Of Construction: PVC
• Connection Description: Threaded; Socket Weld

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]

• Media: Air; Compressed Air; Water
• Valve Size: 0.25 to 0.50

• Material Of Construction: Polyacetal
• Connection Description: Threaded

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]

• Media: Water
• Valve Size: 1.00

• Valve Type: Back Flow

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]

• Media: Water; Hot Water; Cold Water  ; Potable Water
• Material Of Construction: Brass / Bronze

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

The SMARTFLOW ® SWAP ® Valve is a simple, manually selectable device that supplies cooling water to the mould during processing or air to purge the water from the mould, cooling lines, Supply and Return manifolds prior to tool change. The 3-position shear valve is a proven design. Ball... [See More]

• Media: Water; Cold Water  
• Valve Size: 1.00

• Material Of Construction: Aluminum
• Maximum Pressure: 150.00

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]

• Media: Water; Powder Solids

MasterSeries® backflow prevention assemblies aren't just Lead Free. We also redesigned the check and relief valves for superior performance. [See More]

• Media: Water; Potable Water
• Material Of Construction: Ductile Iron

• Valve Type: Double Check (optional feature); Back Flow
• Valve Size: 2.50 to 10.00

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]

• Media: Water
• Valve Size: 0.89 to 3.94

• Material Of Construction: Stainless Steel
• Connection Description: Clamp Flange; Butt Weld

Check Valve, Barbed - 80512 [See More]

• Media: Air; Water
• Maximum Pressure: 0.50

• Material Of Construction: PP, Silicone; PP

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]

• Media: Air; Compressed Air; Water
• Material Of Construction: Brass / Bronze; Stainless Steel; Exotic Metal

• Valve Type: Lift Check; Poppet
• Valve Size: 0.12 to 0.25

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]

• Media: Water; Gas
• Connection Description: Threaded

• Valve Size: 0.38 to 3.00
• Maximum Pressure: 2500.00

Key Specifications/Special Features: Working pressure: PN10; PN16. Body materials: cast iron, ductile iron, aluminum bronze, stainless steel and carbon steel. Applicable temperature: from -40 to +230 degrees C. Size range: from 2 to 40 inches diameter (DN25 to DN1000mm). Face to face according to... [See More]

• Media: Water; Hot Water; Cold Water  ; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; LP Gas; Natural Gas; Sour Gas
• Material Of Construction: Aluminum; Brass / Bronze; Cast Iron; Ductile Iron; Stainless Steel; Steel; Carbon Steel

• Valve Type: Swing
• Valve Size: 2.00 to 40.00

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]

• Media: Water; Wastewater
• Valve Size: 2.50 to 24.00

• Valve Type: Swing
• Connection Description: Butt Weld; Socket Weld; Socket weld, Butt weld

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]

• Media: Water

• Material Of Construction: Steel

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]

• Media: Water
• Material Of Construction: Ductile Iron; ASTM A394

• Valve Type: BallDisk
• Valve Size: 0.50

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]

• Media: Water
• Valve Size: 3.00 to 16.00

• Material Of Construction: Ductile Iron
• Maximum Pressure: 250.00

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]

• Media: Water; Potable Water
• Material Of Construction: Brass / Bronze; Cast Iron

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

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]

• Media: Air; Compressed Air; Water
• Valve Size: 0.09 to 0.69

• Valve Type: BallDisk
• Connection Description: Threaded

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]

• Media: Air; Water; Steam
• Material Of Construction: Stainless Steel

• Valve Type: Wafer
• Valve Size: 1.97 to 11.81

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]

• Media: Air; Compressed Air; Water; Gas; Sour Gas (optional feature)
• Material Of Construction: Brass / Bronze; Stainless Steel; Viton, NBR, (optional EPDM, Kalrez); PTFE (optional feature); Rubber

• Valve Type: Lift Check
• Connection Description: Compression; 1/8" Dk-Lok

SPRING OPERATED TYPE. 10 INCH NOMINAL SIZE. 10 NOMINAL SIZE - DECIMAL. 10 NOMINAL SIZE - FRACTIONAL. ANSI/NSF 61, UL APPLICABLE STANDARD. ACID, AIR, WATER APPLICATION. -30 TO 230 DEG F TEMPERATURE RATING. END SEAL EPDM GASKET, HORIZONTAL/VERTICAL INSTALLATION INCLUSIONS/FEATURES. CARBON STEEL BODY... [See More]

• Media: Air; Water
• Maximum Pressure: 300.00

• Material Of Construction: Steel
• Media Temperature: -30 to 230

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

• Media: Water; Potable Water
• Valve Size: 0.50 to 0.59

• Material Of Construction: Brass / Bronze
• Connection Description: Threaded

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]

• Media: Air; Water; Hot Water; Cold 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
• Material Of Construction: Aluminum (optional feature); Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Alloy 20, Alloy C-276, Titanium

• Valve Type: Lift Check; Poppet; Back Flow
• Valve Size: 0.50

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]

• Media: Water
• Material Of Construction: Rubber

• Valve Type: Duckbill
• Valve Size: 3.00 to 78.00

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]

• Media: Water; Hot Water; Cold Water  ; Steam
• Material Of Construction: Cast Iron

• Valve Type: BallDisk (optional feature); Swing
• Valve Size: 2.00 to 36.00

Design. Cast swing check valve to ASME B16.34. Pressure seal cover.Internal hinge pin mounted design. Stellite hard-faced seating surfaces, graphite gasket. Pressure/temperature ratings to ASME B16.34. Butt weldends to ASME B16.25 standard. Face-to-face length to ASME B16.10, valve testing in... [See More]

• Media: Water; Hot Water; Cold Water  ; Gas; Steam; Non-Aggressive Fluids
• Material Of Construction: Steel

• Valve Type: Swing
• Valve Size: 1.97 to 15.75

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]

• Media: Water; Cold Water  ; Potable Water
• Valve Size: 4.00 to 24.00

• Material Of Construction: Ductile Iron
• Connection Description: BoltFlange

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

• Media: Hydraulic (optional feature); Air; Water; Hot Water; Cold 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)
• Material Of Construction: Carbon Steel

• Valve Type: BallDisk
• Valve Size: 2.00 to 30.00

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

• Media: Water
• Material Of Construction: Aluminum

• Valve Type: Foot Valve
• Connection Description: Threaded

Series 601, 601S Bronze Maxi-Flo Check Valves are used to prevent the effects of water hammer in the piping system. They feature a bronze body, Viton disc and integral brass seat. Series 601, 601S silent check valves have a low pressure drop and can be installed in a horizontal or vertical position. [See More]

• Media: Water
• Valve Size: 0.25 to 1.00

• Material Of Construction: Brass / Bronze

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

• Media: Water; Cold Water  ; Potable Water; Wastewater; Gas; Gasoline / Diesel Fuel
• Material Of Construction: Stainless Steel

• Valve Type: Wafer
• Valve Size: 0.50

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]

• Media: Water; Hot Water; Cold Water  
• Valve Size: 0.25 to 0.75

• Material Of Construction: Brass / Bronze
• Connection Description: Threaded; 1/4, 3/8, 1/2, 3/4" BSP-F

SW Series swing check valves are offered in PVC, Corzan CPVC and PP. Seals and seats are FPM or EPDM. A counterweight is an option for added stability. Swing check valves are furnished with two o-ring flange seals so no additional gaskets are required for installation. All valves are assembled with... [See More]

• Media: Water; Potable Water; Wastewater
• Material Of Construction: Corzan; PVC; CPVC; PP

• Valve Type: Swing
• Valve Size: 3.00 to 8.00

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]

• Media: Air; Water
• Valve Size: 0.25 to 0.50

• Material Of Construction: Brass / Bronze; Stainless Steel
• Connection Description: Threaded

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]

• Media: Water

• Valve Type: Back Flow

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]

• Media: Water; Hot Water; Cold Water  ; Potable Water
• Material Of Construction: Brass / Bronze; Stainless Steel

• Valve Type: Double Check; Back Flow
• Valve Size: 0.50 to 2.00

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]

• Media: Water; Potable Water
• Valve Size: 0.50 to 10.00

• Material Of Construction: Brass / Bronze (optional feature); Copper (optional feature)
• Connection Description: Threaded (optional feature); BoltFlange (optional feature)

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]

• Media: Air; Water
• Maximum Pressure: 0.09

• Material Of Construction: SAN, MABS, Silicone

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]

• Media: Water; Ink & Toner in Printing Ink Systems
• Material Of Construction: PTFE

• Valve Type: BallDisk
• Valve Size: 0.25

Swing Check Valve with Cast Iron, Ductile Iron, Aluminum Bronze, and Stainless Steel Materials. Model Number:LD 016-WCK4. Key Specifications/Special Features: Working pressure: PN10, PN16, 125LBS. Body materials: cast iron, ductile iron, aluminum bronze, stainless steel, and carbon steel. Applicable... [See More]

• Media: Water; Hot Water; Cold Water  ; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; LP Gas; Natural Gas; Sour Gas
• Material Of Construction: Aluminum; Brass / Bronze; Cast Iron; Ductile Iron; Stainless Steel; Steel

• Valve Type: Swing
• Valve Size: 2.00 to 40.00

Forged, one-piece inclined globe and check valves for high pressure applications. Features and benefits. • Solid CoCr alloy disc, fully guided for fast and full seating, even without spring. • High Cv. • Self-draining waterways. [See More]

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

• Valve Size: 0.50 to 4.00
• Agency: ASME

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]

• Media: Water
• Material Of Construction: Brass / Bronze

• Valve Type: Lift Check

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]

• Media: Water
• Material Of Construction: Ductile Iron

• Valve Type: Swing
• Valve Size: 3.00 to 16.00

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]

• Media: Water; Potable Water
• Material Of Construction: Brass / Bronze; Cast Iron

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

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]

• Media: Air; Water; Steam
• Material Of Construction: Stainless Steel

• Valve Type: Wafer
• Valve Size: 1.97 to 11.81

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]

• Media: Air; Compressed Air; Water; Gas; Sour Gas (optional feature)
• Material Of Construction: Brass / Bronze; Stainless Steel; Viton, NBR, (optional EPDM, Kalrez); PTFE (optional feature); Rubber

• Valve Type: Lift Check
• Connection Description: Compression; 1/2" Dk-Lok

SPRING OPERATED TYPE. 2-1/2 INCH NOMINAL SIZE. 2.5 NOMINAL SIZE - DECIMAL. 2-1/2 NOMINAL SIZE - FRACTIONAL. ANSI/NSF 61, UL APPLICABLE STANDARD. ACID, AIR, WATER APPLICATION. -30 TO 230 DEG F TEMPERATURE RATING. END SEAL EPDM GASKET, HORIZONTAL/VERTICAL INSTALLATION INCLUSIONS/FEATURES. CARBON STEEL... [See More]

• Media: Air; Water
• Valve Size: 2.50

• Material Of Construction: Steel
• Maximum Pressure: 300.00

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

• Media: Water; Potable Water
• Valve Size: 0.59

• Material Of Construction: Brass / Bronze
• Maximum Pressure: 100.00 to 250.00

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]

• Media: Hydraulic; Air; Water; Hot Water; Cold 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
• Material Of Construction: Aluminum; Brass / Bronze; Stainless Steel (optional feature); Steel (optional feature); Exotic Metal; Titanium, Monel

• Valve Type: Cartridge (optional feature); Lift Check; Poppet; Back Flow
• Connection Description: Threaded (optional feature); Compression (optional feature); BoltFlange (optional feature); Clamp Flange (optional feature); Union (optional feature); Tube Fitting (optional feature); Butt Weld (optional feature); Socket Weld (optional feature); Face Seal (optional feature)

Cast Ductile and Alloy Iron Check Valves for use in commercial and industrial applications. Services include: hot and cold water, HVAC, steam, oil and gas, limited chemical, petroleum refining and production. 250 psi/17.2 bar non-shock cold working pressure, 150 psi/10.3 bar saturated steam to 366... [See More]

• Media: Water; Hot Water; Cold Water  ; Gasoline / Diesel Fuel; Steam
• Material Of Construction: Ductile Iron

• Valve Type: BallDisk (optional feature); Swing
• Valve Size: 2.00 to 12.00

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]

• Media: Water; Hot Water; Cold Water  ; Gas; Steam; Non-Aggressive Fluids
• Material Of Construction: Steel

• Valve Type: Wafer
• Valve Size: 0.59 to 1.97

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

• Media: Hydraulic (optional feature); Air; Water; Hot Water; Cold 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)
• Material Of Construction: Carbon Steel

• Valve Type: Wafer
• Valve Size: 1.00 to 10.00

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]

• Media: Water
• Material Of Construction: Aluminum

• Valve Type: Foot Valve
• Connection Description: Compression

Series ICVF-125 Cast Iron Silent Check Valves are used in commercial and industrial HVAC applications to prevent water hammer and reverse fluid flow in water lines. Their conical spring design allows the closure disc to travel more distance than other valves of this style, allowing a greater flow... [See More]

• Media: Water
• Valve Size: 2.00 to 6.00

• Material Of Construction: Cast Iron

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

• Media: Water; Cold Water  ; Potable Water; Wastewater; Gas; Gasoline / Diesel Fuel
• Material Of Construction: Steel

• Valve Type: Swing
• Valve Size: 0.50

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]

• Media: Water; Hot Water; Cold Water  
• Valve Size: 0.25 to 0.75

• Material Of Construction: Stainless Steel
• Connection Description: Threaded; 1/4, 3/8, 1/2, 3/4" BSP-F

TC Series true union ball check valves are offered in PVC, Corzan CPVC, and PP. O-rings and seats are FPM or EPDM. 1/4 in. and 3/8 in. sizes are PVConly and are trim check design. They have socket or threaded end connections. Others up to 2 in. sizes have socket and threaded end connections. All... [See More]

• Media: Water; Potable Water
• Valve Size: 0.25 to 6.00

• Material Of Construction: Corzan; PVC; CPVC; PP
• Connection Description: Threaded; Socket Weld

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]

• Media: Air; Compressed Air; Water
• Valve Size: 0.12 to 1.00

• Material Of Construction: Brass / Bronze; Stainless Steel
• Connection Description: Threaded

The Zurn Wilkins 975XL Reduced Pressure Principle Backflow Preventer provides high hazard protection for non-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]

• Media: Water

• Valve Type: Back Flow

Series 2000B-FP Double Check Valve Assemblies with Gear Operated Slow Close Isolation Valves 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-FP is ideal at referenced... [See More]

• Media: Water; Hot Water; Cold Water  ; Potable Water
• Material Of Construction: Brass / Bronze

• Valve Type: Double Check; Back Flow
• Valve Size: 1.00 to 2.00

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]

• Media: Water
• Valve Size: 2.00

• Material Of Construction: Brass / Bronze
• Connection Description: BoltFlange

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 # 80507 features a low, 0.087 psi cracking pressure ideal for infusion, drainage and irrigation applications. This barbed... [See More]

• Media: Air; Water
• Maximum Pressure: 0.09

• Material Of Construction: SAN, MABS, Silicone

Cast Steel Check Valve Delivered in 30 Days. Model Number: LD-003-CK. Key Specifications/Special Features: Manufacturing standards: API, ANSI, BS, DIN, JIS. Size range: from 1/2 inch to 32 inch (DN15mm - DN800mm). Pressure: from ANSI class 150 to 2500 (PN1.6-42MPa). Operating temperature: from -196... [See More]

• Media: Water; Hot Water; Cold Water  ; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; LP Gas; Natural Gas; Sour Gas
• Material Of Construction: Stainless Steel; Steel; Carbon Steel

• Valve Type: Swing
• Valve Size: 0.50 to 32.00

Cast steel gate, globe and check valves with industry-leading emissions, shutoff and repairability performance. Features and benefits. • Body and cover: Precision machined castings. Exclusive: Disc shaft does not penetrate body. • Body and cover joint: Accurately machined,. fully-enclosed... [See More]

• Media: Water
• Valve Size: 2.00 to 48.00

• Valve Type: Swing
• Connection Description: BoltFlange; Flanged

Features & Benefits. Lift Check Valves should only be used in horizontal pipe runs. The Crane D116 check valve if of the lift check variety [See More]

• Media: Water
• Material Of Construction: Brass / Bronze

• Valve Type: Lift Check

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]

• Media: Water
• Material Of Construction: Ductile Iron

• Valve Type: Swing
• Valve Size: 3.00 to 16.00

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]

• Media: Water; Potable Water
• Material Of Construction: Cast Iron

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

The LCV1 is a bronze lift check valve which is installed in horizontal lines to prevent reverse flow. [See More]

• Media: Water
• Material Of Construction: Brass / Bronze

• Valve Type: Lift Check
• Valve Size: 0.50 to 3.00

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]

• Media: Air; Compressed Air; Water; Gas
• Material Of Construction: Brass / Bronze; Stainless Steel; Viton, NBR, (optional EPDM, Kalrez); PTFE (optional feature); Rubber

• Valve Type: Lift Check
• Connection Description: Threaded; 1/4" Male NPT

SPRING OPERATED TYPE. 2-1/2 INCH NOMINAL SIZE. 2.5 NOMINAL SIZE - DECIMAL. 2-1/2 NOMINAL SIZE - FRACTIONAL. ANSI/NSF 61, UL, ULC APPLICABLE STANDARD. ACID, AIR, FIRE PROTECTION, WATER APPLICATION. -30 TO 230 DEG F TEMPERATURE RATING. END SEAL EPDM GASKET, HORIZONTAL/VERTICAL INSTALLATION... [See More]

• Media: Air; Water
• Valve Size: 2.50

• Material Of Construction: Steel
• Maximum Pressure: 250.00

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

• Media: Water; Potable Water
• Connection Description: Threaded

• Valve Size: 0.59
• Maximum Pressure: 100.00 to 250.00

Flange Insert valves are the ultimate check valves in flanged systems. They provide the simplest most economical way to install check valves in a piping system, the valve body automatically positions the valve and holds it in place while bolts are being installed and tightened. All that is required... [See More]

• Media: Hydraulic; Air; Water; Hot Water; Cold 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
• Material Of Construction: Aluminum (optional feature); Brass / Bronze; Stainless Steel; Steel; Exotic Metal; FEP Encapsulator; PVC; PTFE

• Valve Type: Lift Check; Poppet; Back Flow
• Valve Size: 0.50

NIBCO ® HydraPure ®, a new generation of lead-free valves and cast fittings comprised of Silicon Performance Bronze ® alloys designed to meet the stringent lead-free laws. Unlike brass alloys, our Performance Bronze alloy used in the manufacture of HydraPure fittings and valves is... [See More]

• Media: Water; Potable Water
• Agency: MSS SP-80, NSF/ANSI 61 and NSF/ANSI 372

• Valve Type: Swing

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]

• Media: Air; Compressed Air; Water; Hot Water; Cold Water  ; Wastewater
• Material Of Construction: Cast Iron (optional feature); Stainless Steel (optional feature); Steel (optional feature)

• Valve Type: Wafer
• Valve Size: 1.97 to 23.62

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

• Media: Hydraulic (optional feature); Air; Water; Hot Water; Cold 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)
• Material Of Construction: Cast Iron

• Valve Type: BallDisk
• Valve Size: 2.00 to 30.00

Series ICV-125-2-2-T Cast Iron Wafer Check Valves are used in commercial and industrial HVAC applications to prevent water hammer and reverse fluid flow in water lines. They feature a cast iron body with aluminum-bronze disc plates, EPDM seat, PTFE bearings, stainless steel hinge and stop pins,... [See More]

• Media: Water
• Material Of Construction: Cast Iron

• Valve Type: Wafer
• Valve Size: 2.00 to 12.00

Industrial Check Valve. General Pump, along with our parent company, Interpump Group S.r.l., has been the world leader in plunger pump development since 1982. While known as the leader in plunger pumps for the pressure cleaning industry, we have expanded to serve Vehicle Wash as well as many... [See More]

• Media: Water; Hot Water; Cold Water  
• Connection Description: Threaded; 3/4" BSP-M, 3/4" BSP-F

• Valve Size: 0.75
• Maximum Pressure: 2900.00

WC Series wafer check valves are offered in PVC, PP and PVDF. O-ring material is FPM, EPDM or PTFE encapsulated FPM. Sizes up to 8 in. are supplied with a spacer in PVC and PP materials only. Spacers are not required for DIN or PVDF pipe installations. Spacers allow full disk opening and are... [See More]

• Media: Water; Potable Water; Wastewater
• Material Of Construction: PVC; PP; PVDF

• Valve Type: Wafer
• Valve Size: 2.00 to 20.00

Features. New design ‘ ’Full bore ’ ’ correspond high flow rate. Designed to reduce damages for seal material. Various port sizes and seal materials. Installation direction is free. Applications. Machine Tools ：Milling machine, NC lathe, laser processing machine etc. [See More]

• Media: Air; Compressed Air; Water
• Valve Size: 0.12 to 1.00

• Material Of Construction: Brass / Bronze; Stainless Steel
• Connection Description: Threaded

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]

• Media: Water
• Valve Size: 1.25

• Valve Type: Back Flow

Series 1000DCV Detector Check Valves are used in fire protection applications to detect leakage or unauthorized use of water in fire or automatic sprinkler systems. It consists of a cast iron body construction with choice of flanged or threaded connections. Series 1000DCV can be installed in... [See More]

• Media: Water; Hot Water; Cold Water  ; Potable Water
• Valve Size: 1.50 to 2.00

• Material Of Construction: Cast Iron
• Maximum Pressure: 350.00

Series 800 Single and Single Check Detector Assemblies are used in the protection of potable water supplies from potential contamination from automatic fire sprinkler systems and for the detection of unauthorized water usage. Maximum Working Pressure: 250psi (17.2 bar). [See More]

• Media: Water
• Valve Size: 4.00 to 10.00

• Material Of Construction: Ductile Iron
• Connection Description: BoltFlange

Qosina offers an extensive line of Check Valves, available in a variety of styles that are in stock and ready for immediate delivery. Qosina part #80130 features a blue tubing port inlet and clear tubing port outlet that fits 0.122 inch ID x 0.165 inch OD tubing. Made of polycarbonate and silicone,... [See More]

• Media: Air; Water
• Maximum Pressure: 0.01 to 0.09

• Material Of Construction: PC, Silicone

Swing Check Valves, Pressure from ANSI Class 150 to 2500 (PN1.6-42MPa). Model Number:LD-003-CK2. Key Specifications/Special Features: Pressure: from ANSI class 150 to 2500 (PN1.6-42MPa). Manufacturing standards: API, ANSI, BS, DIN, JIS. Size range: from 1/2 inch to 32 inch (DN15mm - DN800mm). [See More]

• Media: Water; Hot Water; Cold Water  ; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; LP Gas; Natural Gas; Sour Gas
• Material Of Construction: Aluminum; Brass / Bronze; Cast Iron; Ductile Iron; Stainless Steel; Steel; Carbon Steel

• Valve Type: Swing
• Valve Size: 0.50 to 32.00

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. The Crane D138 Bronze check valve is of the... [See More]

• Media: Water
• Material Of Construction: Brass / Bronze

• Valve Type: Swing

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]

• Media: Water
• Material Of Construction: Ductile Iron

• Valve Type: Swing
• Valve Size: 3.00 to 16.00

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]

• Media: Water; Potable Water
• Material Of Construction: Cast Iron

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

A range of carbon 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, steam and... [See More]

• Media: Air; Water; Steam
• Material Of Construction: Steel

• Valve Type: Wafer
• Valve Size: 1.97 to 11.81

SPRING OPERATED TYPE. 4 INCH NOMINAL SIZE. 4 NOMINAL SIZE - DECIMAL. 4 NOMINAL SIZE - FRACTIONAL. ANSI/NSF 61, FM, UL, ULC APPLICABLE STANDARD. ACID, AIR, FIRE PROTECTION, WATER APPLICATION. -30 TO 230 DEG F TEMPERATURE RATING. END SEAL EPDM GASKET, HORIZONTAL/VERTICAL INSTALLATION... [See More]

• Media: Air; Water
• Maximum Pressure: 250.00

• Material Of Construction: Steel
• Media Temperature: -30 to 230

The Check-All Flanged & Drilled check valve is a one-piece cast body valve with ANSI/ASME B16.5 Class 150 flanged ends. The HVFD series valve is used when higher flow rates and lower pressure drops are required. The valve is available in sizes 1 through 10 inches and standard materials of 316... [See More]

• Media: Hydraulic; Air; Water; Hot Water; Cold 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
• Material Of Construction: Brass / Bronze; Stainless Steel; Steel

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

Flanged end non-return valve with spring-loaded check disc,maintenance-free, asbestos-free. Applications. Hot water heating systems, high-temperature hot water heating systems heat transfer systems. General steam applications in building services and industry. Other fluids on request. Overview of... [See More]

• Media: Water; Hot Water; Steam
• Material Of Construction: Cast Iron

• Valve Type: BallDisk
• Valve Size: 0.59 to 13.78

Designed for liquids and gases where flow reversal can cause surge and water hammer. Elastomer seats provide bubble-tight shutoff. [See More]

• Media: Hydraulic (optional feature); Air; Compressed Air; Water; Hot Water; Cold 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)
• Material Of Construction: Cast Iron

• Valve Type: Wafer
• Valve Size: 2.00 to 54.00

Series 9BD Dual Check Vacuum Breakers for Vending Machine Water Supply Lines prevent the reverse flow of contaminates, such as carbon dioxide gas and carbonated water, from entering the potable water supply. It consists of a stainless steel body construction, rubber parts, dual check valves, ball... [See More]

• Media: Water

• Valve Size: 0.25 to 0.38

Industrial foot valve. Features. Offers hands-free operation. Sturdy, heavy-gauge steel construction. Powder coated for durability. Reliable design. Protected pedal guards against accidental activation [See More]

• Media: Water; Hot Water; Cold Water  
• Material Of Construction: Steel

• Valve Type: Foot Valve
• Valve Size: 0.25 to 0.38

YC Series y-check valves are offered in PVC and Corzan CPVC. O-rings are FPM standard but EPDM is available. All sizes are either socket, threaded or flanged body style. True union socket or threaded end connections are available. For spring-loaded y-check valves, see the SLC Series. All valves are... [See More]

• Media: Water; Potable Water; Wastewater
• Valve Size: 0.50 to 4.00

• Material Of Construction: Corzan; PVC; CPVC; PP
• Connection Description: Threaded; Socket Weld

Features. High pressure range.(SUS316 can use 13MPa [1885.49psi]). Damages to seal material were reduced by double-touch system (O-ring and metal-seal). All metal material adopt SUS316. Applications. Machine Tools ：Milling machine, NC lathe, laser processing machine etc. Industrial furnace... [See More]

• Media: Air; Compressed Air; Water
• Valve Size: 0.25 to 0.50

• Material Of Construction: Brass / Bronze; Stainless Steel
• Connection Description: Threaded

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]

• Media: Water
• Valve Size: 0.50

• Valve Type: Back Flow

Series ACVW-125 Cast Iron Silent Check Valves are designed to prevent water hammer effect. The conical spring design allows the closure disc to travel more distance than other valves of this style, allowing a greater flow coefficient (Cv). Series ACVW-125 can be installed in either the horizontal or... [See More]

• Media: Water; Hot Water; Cold Water  ; Potable Water
• Valve Size: 2.00 to 10.00

• Material Of Construction: Cast Iron
• Maximum Pressure: 200.00

Qosina offers an extensive line of Check Valves, available in a variety of styles that are in stock and ready for immediate delivery. Qosina part # 80184 features a blue male luer slip inlet and clear male luer slip outlet. Made of ABS and silicone, this in-line valve and has a low, 0.27 psi... [See More]

• Media: Air; Water
• Maximum Pressure: 0.27

• Material Of Construction: ABS, Silicone

Swing Check Valve, Flange Drilling According to ANSI125/150, DIN2501 PN10/PN16, and AS2129 Table E. Model Number:LD 016-WCK1. Key Specifications/Special Features: Key Specifications/Special Features: Working pressure: PN10, PN16, 125lb. Body materials: cast iron, ductile iron, aluminum bronze,... [See More]

• Media: Water; Hot Water; Cold Water  ; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; LP Gas; Natural Gas; Sour Gas
• Material Of Construction: Aluminum; Brass / Bronze; Cast Iron; Ductile Iron; Stainless Steel; Steel; Carbon Steel

• Valve Type: Swing
• Valve Size: 2.00 to 40.00

Features & Benefits. Check valve complete with Press-Fit connectors. Permits flow in one direction & automatically closes if flow reverses. Supplied as one integral unit means less joints to make on-site. The performance, exact dimensions & tolerances are known in advance. Incorporates... [See More]

• Media: Water

• Material Of Construction: Brass / Bronze

Product Description. AMERICANs Waterous Series 600 swing check valves are in full compliance with ANSI/AWWA C508. Configurations are available that are UL Listed. Rated working pressure is 200 psig. These check valves are suitable for horizontal or vertical installation when the flow of water is in... [See More]

• Media: Water
• Material Of Construction: Ductile Iron

• Valve Type: Swing
• Valve Size: 3.00 to 12.00

INLINE, ANGLE AND TOP ENTRY IRON YOKE CHECK VALVE. Angle dual check valve. Inlet: Lock nut. Outlet: MUELLER 110 ™. Conductive Compression. Connection for CTS O.D.* tubing. [See More]

• Media: Water; Potable Water
• Material Of Construction: Cast Iron

• Valve Type: Double Check
• Valve Size: 0.62 to 0.75

A range of carbon 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 face-to-face dimension... [See More]

• Media: Air; Water; Steam
• Material Of Construction: Steel

• Valve Type: Wafer
• Valve Size: 1.97 to 11.81

4 INCH NOMINAL SIZE. 4 NOMINAL SIZE - DECIMAL. 4 NOMINAL SIZE - FRACTIONAL. ANSI/NSF 61, FM, UL, ULC APPLICABLE STANDARD. ACID, AIR, FIRE PROTECTION, WATER APPLICATION. -30 TO 230 DEG F TEMPERATURE RATING. END SEAL EPDM GASKET, HORIZONTAL/VERTICAL INSTALLATION INCLUSIONS/FEATURES. CARBON STEEL BODY... [See More]

• Media: Air; Water
• Maximum Pressure: 250.00

• Material Of Construction: Steel
• Media Temperature: -30 to 230

The Check-All Flanged & Drilled - PTFE Lined check valve is a one-piece body valve with ANSI/ASME flanged ends. The valve has a solid one-piece PTFE liner, which covers the flange faces out to the raised face diameter. All wetted surfaces are fluoropolymer (PTFE/FEP/PFA) including the FEP... [See More]

• Media: Hydraulic; Air; Water; Hot Water; Cold 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
• Material Of Construction: Steel; FEP Encapsulator

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

Flanged end swing check valve with or without lining, soft-seated, no dead volumes; in straight-way pattern with slanted seat; with internal hinge pin and soft rubber coated disc. Applications. In building services, industrial plants and power stations;suitable for drinking water, service water,... [See More]

• Media: Water; Potable Water
• Material Of Construction: Cast Iron

• Valve Type: Swing
• Valve Size: 0.98 to 5.91

Can be used in a variety of applications including: chilled and hot water systems, refrigeration, plumbing, air conditioning, gas and liquid applications, water filtration, oxygen systems, boiler feed lines, centrifugal pump and compressor systems and process applications. [See More]

• Media: Hydraulic; Air; Compressed Air; Water; Hot Water; Cold Water  ; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Sour Gas; Specialty Corrosive; Process Industries, Construction
• Material Of Construction: Aluminum (optional feature); Brass / Bronze (optional feature); Stainless Steel (optional feature)

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

Series 2000-M5, 2000S-M5 Hydronic, Two-Way, Universal Flow Check Valves are for use in commercial and residential hydronic heating systems to provide positive shutoff when circulator is not running, preventing flow of water to radiation units. They are easily opened for gravity circulation. Model... [See More]

• Media: Water; Steam

• Valve Size: 0.75 to 3.00

Industrial foot valve. Features. Used to facilitate internal cleaning of pipe and hoses with flexible or long rigid lances. The pressure foot system leaves both hands free for easy control of the lance during operation. When released, the internal bypass system diverts the flow to the bypass line,... [See More]

• Media: Water; Hot Water; Cold Water  
• Material Of Construction: Brass / Bronze; Stainless Steel

• Valve Type: Foot Valve
• Valve Size: 0.38

Features. Compact (OD φ18mm[0.71inch]), Light weight (33g[0.07pound]). Cracking pressure is extremely low: 1 kPa[0.15psi] or less. Leakage is minute: 1 ml / min or less at 10 kPa[1.45psi]. Applications. Machine Tools ：Milling machine, NC lathe, laser processing machine etc. Industrial... [See More]

• Media: Air; Compressed Air; Water
• Connection Description: Tube Fitting

• Material Of Construction: Polyacetal
• Maximum Pressure: 36.26

The Zurn 2-F210 Fire Check Valve is a zone water check to prevent system reversal of flow; as required by systems including sprinkler standpipe systems and fire department connections. Features And Benefits. 2" Fire Check Valve. Provide zone water check in a sprinkler system. Tapped and plugged for... [See More]

• Media: Water

Series FPP (Plain) and FFF (Flanged) Check Valves are designed to permit free flow in one direction and to prevent return flow in the opposite direction. The unique design of the Ames "Spring-Swing" check valve enables it to function with an extremely high degree of efficiency. This efficiency is... [See More]

• Media: Water; Hot Water; Cold Water  ; Potable Water
• Valve Size: 3.00 to 10.00

• Material Of Construction: Steel
• Maximum Pressure: 150.00

Qosina offers an extensive line of Check Valves, available in a variety of styles that are in stock and ready for immediate delivery. Qosina part #80068 features a clear inlet and blue outlet that has a 0.124 inch OD on each end. Made of MABS and silicone, this in-line valve has a low, 0.142 psi... [See More]

• Media: Air; Water
• Maximum Pressure: 0.14

• Material Of Construction: MABS, Silicone

Wafer Check Valves with Stainless Steel CF8, API, ANSI, BS and DIN Manufacturing Standards. Model Number: LD 003-CK1. Key Specifications/Special Features: Body materials: carbon steel, alloy steel and stainless steel. Manufacturing standards: API, ANSI, BS and DIN. Sizes range: from 2 to 48-inch... [See More]

• Media: Water; Hot Water; Cold Water  ; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; LP Gas; Natural Gas; Sour Gas
• Material Of Construction: Stainless Steel; Steel; Carbon Steel

• Valve Type: Wafer
• Valve Size: 2.00 to 40.00

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. The Crane D140 Bronze check valve is of the... [See More]

• Media: Water
• Material Of Construction: Brass / Bronze

• Valve Type: Swing

Product Description. AMERICANs Waterous Series 600 swing check valves are in full compliance with ANSI/AWWA C508. Configurations are available that are UL Listed. Rated working pressure is 200 psig. These check valves are suitable for horizontal or vertical installation when the flow of water is in... [See More]

• Media: Water
• Material Of Construction: Ductile Iron

• Valve Type: Swing
• Valve Size: 3.00 to 12.00

MUELLER CO. offers a full range of service line dual check valves. These valves are available in angle or in line styles and can be used on copper meter yokes, cast iron meter yokes, cast iron meter boxes or in custom meter installations. Dual check valves are used to prevent the backflow of... [See More]

• Media: Water; Potable Water
• Valve Size: 1.50 to 2.00

• Valve Type: Double Check
• Maximum Pressure: 175.00

The LCV3, LCV4, LCV6 and LCV7 lift check valves are designed in accordance with EN 12516 and ASME B16.34 to prevent reverse flow in the installations. The design of these valves allows them to be easily serviced without removing the valve from the pipeline. [See More]

• Media: Water
• Material Of Construction: Cast Iron

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

4 INCH NOMINAL SIZE. 4 NOMINAL SIZE - DECIMAL. 4 NOMINAL SIZE - FRACTIONAL. FM, UL, ULC APPLICABLE STANDARD. WATER APPLICATION. DUCTILE IRON BODY MATERIAL. 300 PSI PRESSURE RATING. 4 INCH GROOVED X 4 INCH GROOVED / 4 INCH FLANGED X 4 INCH GROOVED END CONNECTION. 15 INCH, 16 INCH END TO END DISTANCE. [See More]

• Media: Water
• Maximum Pressure: 300.00

• Material Of Construction: Ductile Iron
• Agency: FM, UL, ULC

The Lined Pipe Insert valve is designed to mate between two flanges on most lined pipe systems. It provides the simplest most economical way to install a check valve in a lined piping system. No gaskets are required, just spread the flanges, center the valve and bolt the flanges together. Lined Pipe... [See More]

• Media: Hydraulic; Air; Water; Hot Water; Cold 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
• Material Of Construction: Exotic Metal; FEP Encapsulator; PTFE

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

Flanged end swing check valve with or without lining, soft-seated, no dead volumes; in straight-way pattern with slanted seat; with internal hinge pin and soft rubber coated disc. Applications. In building services, industrial plants and power stations;suitable for drinking water, service water,... [See More]

• Media: Water; Potable Water
• Material Of Construction: Cast Iron

• Valve Type: Swing
• Valve Size: 0.98 to 11.81

Designed for liquids and gases where flow reversal can cause surge and water hammer. [See More]

• Media: Hydraulic (optional feature); Air; Water; Hot Water; Cold 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)
• Material Of Construction: Brass / Bronze (optional feature); Cast Iron (optional feature)

• Valve Type: Wafer
• Valve Size: 1.50 to 12.00

Series LFWCV, LFWCVS Lead Free* Brass Swing Check Valves are used to prevent reverse fluid flow in water and steam applications. This series features metal-to-metal seal, either threaded NPT or solder end connections and a Lead Free* brass body. Models LFWCV, and LFWCVS are available in sizes 1/2 to... [See More]

• Media: Water
• Material Of Construction: Brass / Bronze

• Valve Type: Swing
• Valve Size: 0.50 to 1.00

Industrial pneumatic valve, features check valve. Features. A normally open dumping valve, pneumatically operated, used for automatic cycles and remote controls. When air pressure is released, it opens the bypass line, thus eliminating high pressure in the system. The double-effect pneumatic... [See More]

• Media: Water; Cold Water  
• Valve Size: 0.38

• Material Of Construction: Stainless Steel
• Connection Description: Threaded; 3/8" BSP-F, 3/8" BSP-F

The Zurn Wilkins 350 Double Check Valve Backflow Preventer provides low hazard protection for all applications. To view all options, see the Specification Sheet - Model 350. Features And Benefits. 2-1/2" double check valve assembly with epoxy coated ductile iron body. Short lay-length for small... [See More]

• Media: Water

• Valve Type: Double Check; Back Flow

Series LF4000B Reduced Pressure Zone Assemblies are designed to protect potable water supplies in accordance with national plumbing codes and water authority requirements. This series can be used in a variety of installa ­tions, including the prevention of health hazard cross connections in... [See More]

• Media: Water; Hot Water; Cold Water  ; Potable Water
• Material Of Construction: Copper

• Valve Type: Double Check; Back Flow
• Valve Size: 0.50 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. Qosina part # 80393 features a clear, 0.138 inch OD tubing port inlet and a blue, 0.138 inch OD tubing port outlet. Made of polycarbonate and silicone, this in-line... [See More]

• Media: Air; Water
• Maximum Pressure: 45.00

• Material Of Construction: PC, Silicone

API, ANSI, BS, DIN-Standard Wafer Check Valves. Model Number: LD 016-WCK. Key Specifications/Special Features: Manufacturing standards: API, ANSI, BS, DIN. Sizes range: from 1" diameter to 24" diameter (DN25mm - DN600mm). Pressure: from ANSI class 150 to 2500 (PN1.6 - 42MPa). Body materials: carbon... [See More]

• Media: Water; Hot Water; Cold Water  ; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; LP Gas; Natural Gas; Sour Gas
• Material Of Construction: Stainless Steel; Steel; Carbon Steel

• Valve Type: Wafer
• Valve Size: 1.00 to 24.00

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. The Crane D142 bronze check valve is of the... [See More]

• Media: Water
• Material Of Construction: Brass / Bronze

• Valve Type: Swing

Product Description. AMERICANs Waterous Series 600 swing check valves are in full compliance with ANSI/AWWA C508. Configurations are available that are UL Listed. Rated working pressure is 200 psig. These check valves are suitable for horizontal or vertical installation when the flow of water is in... [See More]

• Media: Water
• Material Of Construction: Ductile Iron

• Valve Type: Swing
• Valve Size: 3.00 to 12.00

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]

• Media: Water; Potable Water
• Material Of Construction: Ductile Iron

• Valve Type: BallDisk
• Valve Size: 2.00 to 24.00

The TCO1 is a temperature sensitive device fitted downstream of the steam / water mixing valve on ½ " and ¾ " hosedown stations. The TCO1 is only suitable for the ½ " and ¾ " mixing valves. This temperature cut-out valve activates at a temperature of 95 ° C to limit... [See More]

• Media: Water; Hot Water; Cold Water  
• Valve Size: 1.00

• Material Of Construction: Brass / Bronze
• Connection Description: Threaded

Valve design, materials, and testing conform to the requirements of AWWA C-508 for water and wastewater treatment services. Sizes from 3 - 12 ″ | DN80 - DN300. Pressures up to 175 psi | 1 207 kPa | 12 bar [See More]

• Media: Water; Wastewater
• Valve Size: 3.00 to 12.00

• Material Of Construction: Cast Iron
• Connection Description: Grooved Ends

The Check-All Mini-Check is a three piece constructed check valve. The valve is designed for minimum pressure drops. The three piece construction permits many combinations of end fittings, which makes the valve adaptable for nearly every application. The Mini-Check is available with 1/8, 1/4, and... [See More]

• Media: Hydraulic; Air; Water; Hot Water; Cold 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
• Material Of Construction: Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Titanium

• Valve Type: Lift Check; Poppet; Back Flow
• Valve Size: 0.12

Design. Flanged non-return valve made of stainless steel, check disc with closing spring, lapped seats. Applications. Process engineering, industry, building services, food and beverages industry, for aggressive fluids. Other fluids on request. Overview of technical data. Body design. Straight... [See More]

• Media: Water; Hot Water; Cold Water  ; Aggressive Fluids
• Material Of Construction: Stainless Steel

• Valve Type: Wafer
• Valve Size: 0.59 to 11.81

Designed for liquids and gases where flow reversal can cause surge and water hammer. [See More]

• Media: Hydraulic (optional feature); Air; Water; Hot Water; Cold 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)
• Material Of Construction: Brass / Bronze (optional feature); Cast Iron (optional feature)

• Valve Type: Wafer
• Valve Size: 1.50 to 12.00

Lead Free* Brass Maxi-Flo Check Valves feature a Lead Free* cast copper silicon alloy body with NPT female threaded connections. These silent check valves have a low pressure drop and can be installed in a horizontal or vertical position. Maximum Pressure: 400psi (27.6 bar). [See More]

• Media: Water
• Valve Size: 0.25 to 2.00

• Material Of Construction: Copper

Industrial pneumatic valve, features check valve. Features. 3-way flow-through design, pneumatically-operated pressure regulator with automatic unloading. Regulates the operating pressure of the system by releasing excess volume through the bypass. Limits pressure in the system to the adjusted... [See More]

• Media: Water; Cold Water  
• Valve Size: 0.25 to 1.25

• Material Of Construction: Brass / Bronze
• Connection Description: Threaded; 3/4, 1, 1-1/4" BSP

The Zurn Wilkins 350A Double Check Valve Backflow Preventer provides low hazard protection for all market segments. The grooved, epoxy coated ductile iron body is available with multiple shut-off valve options for installation versatility. To view all options, see the Specification Sheet - 350A. [See More]

• Media: Water

• Valve Type: Double Check; Back Flow

The Colt LFC300, LFC300N Double Check Detector Assemblies are used to prevent backflow of pollutants, that are objectionable but not toxic, from entering the potable water supply system. The Colt LFC300, LFC300N maybe installed under continuous pressure service and may be subjected to backpressure. [See More]

• Media: Water; Hot Water; Cold Water  ; Potable Water
• Material Of Construction: Stainless Steel

• Valve Type: Double Check; Back Flow
• Valve Size: 2.50 to 10.00

Qosina offers an extensive line of Check Valves, available in a variety of styles that are in stock and ready for immediate delivery. Qosina part #80473 features a clear 0.13 inch OD tubing port inlet and a blue 0.13 inch OD tubing port outlet. Made of polycarbonate and silicone, this in-line valve... [See More]

• Media: Air; Water
• Maximum Pressure: 0.43

• Material Of Construction: PC, Silicone

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 [See More]

• Media: Water
• Material Of Construction: Cast Iron

• Valve Type: Swing

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]

• Media: Water; Potable Water
• Material Of Construction: Ductile Iron

• Valve Type: BallDisk
• Valve Size: 3.00 to 16.00

The Spirax Sarco vacuum breaker range will protect your plant and process equipment against vacuum, and at the same time allow condensate to drain effectively from pipework and storage vessels. [See More]

• Media: Air; Water; Gas; Steam
• Material Of Construction: Brass / Bronze

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

The Sanitary Cartridge Valve is a 316 stainless steel check valve for use in new or existing sanitary systems. The SCV design seals on the ID of sanitary ferrules with replaceable food grade seals (Standard is FDA EPDM). The valves fit the Alfa Laval Inc. Bevel Seat and Tri-Clamp ® fittings, the... [See More]

• Media: Air; Water; Hot Water; Cold 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
• Material Of Construction: Stainless Steel

• Valve Type: Cartridge; Lift Check; Poppet; Back Flow
• Valve Size: 0.75

Design. Wafer-type globe valve in super compact DN face-to-face length, slanted seat, bonnetless, with flange alignment holes for centering, dead-end service and downstream dismantling, insulating cap with anti-condensation feature as standard, position indicator, soft main and back seat;... [See More]

• Media: Water; Hot Water
• Material Of Construction: Cast Iron

• Valve Type: Wafer
• Valve Size: 0.79 to 7.87

Designed for installation in pump discharge piping where it performs triple duty. It acts as a spring loaded silent check valve, a shutoff valve, and a balancing valve. Used in conjunction with the Mueller Steam Specialty suction diffuser, it constitutes a compact and effective complete pump... [See More]

• Media: Water; Hot Water; Cold Water  ; Potable Water; Salt Water
• Material Of Construction: Cast Iron

• Valve Type: BallDisk
• Valve Size: 2.00 to 14.00

Series LF601, LF601S Lead Free* cast copper silicon alloy Maxi-Flo Check Valves are used to prevent the effects of water hammer in the piping system. They feature a Lead Free* copper silicon alloy body, Viton disc and integral copper silicon alloy seat. Series LF601, LF601S silent check valves have... [See More]

• Media: Water
• Valve Size: 0.25 to 1.00

• Material Of Construction: Copper

Industrial Pneumatic Valve, with and without check valve. Features. Available in 2 versions according to pressure and volume required. Allows remote control of the water pressure. Allows off-load start up. When there is no air pressure water flows through the by-pass without pressure. No discharge... [See More]

• Media: Water; Hot Water; Cold Water  
• Valve Size: 0.25 to 1.50

• Material Of Construction: Aluminum; Cast Iron
• Connection Description: Threaded; 1-1/2 BSP-F