-
Supplier: Beswick Engineering Co., Inc.
Description: The check valve permits free flow in one direction and no (checked) flow in the opposite direction. This valve is specified in many applications because of its very low cracking pressure (typically less than 0.5 psig), its excellent repeatability, and leak-tight
- Back Flow Preventer Assembly: Yes
- Connection: Threaded, Tube Fitting
- Flow (Cv): 0.0 to 0.0480
- Material of Construction: Brass / Bronze, Stainless Steel, Other
-
Supplier: FUJIKURA COMPOSITES Inc.
Description: Features Compact (OD f18mm[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
- Connection: Tube Fitting
- Material of Construction: Other
- Media Description: Air, Compressed Air, Water
- Pressure Rating: 36.26 psi
-
Supplier: DFT Inc.
Description: from 2 to 40 psi. Like the Basic-Check® valve, the Restrictor Check provides reliable, low maintenance service for a wide range of fluids and gases at various pressure/temperature combinations. The valve consists of a guard cage, spring, valve disc,
- Connection: Threaded
- Flow (Cv): 5.8 to 90
- Material of Construction: Stainless Steel
- Media Description: Air, Compressed Air, Water, Hot Water, Cold Water, Potable Water, Salt Water, Wastewater, Gas, Gasoline / Diesel Fuel, High Purity Gas, LP - Gas, Natural Gas, Sour Gas, Specialty / Corrosive Gases, Hydraulic Fluid
-
-
Supplier: FUJIKURA COMPOSITES Inc.
Description: 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
- Connection: Threaded
- Flow (Cv): 0.2800 to 6.9
- Valve Size: 0.1250 to 1 inch
- Valve Type: Check Valves
-
Supplier: FUJIKURA COMPOSITES Inc.
Description: 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
- Connection: Threaded
- Flow (Cv): 0.2800 to 6.9
- Valve Size: 0.1250 to 1 inch
- Valve Type: Check Valves
-
Supplier: U.S. Plastic Corporation
Description: Specifically designed for use on sump pump discharge lines. Includes compression end connectors with Buna-N gaskets for use on either 1-1/4" or 1-1/2" pipe. All plastic construction with elastomer seals - no metal parts. Angled seat and weighted flapper for low-pressure seal. Suitable for
- Valve Type: Swing Check Valves
-
Supplier: U.S. Plastic Corporation
Description: The 695 series is a general purpose check valve that operates in any position, horizontal or vertical. A great low-resistance, high flow check valve where space is limited. Available in nylon for general purpose use and polypropylene for excellent chemical
- Material of Construction: Polypropylene (PP)
- Valve Size: 0.1875 inch
-
Supplier: Danfoss A/S
Description: check valves. Danfoss makes check valves for all commonly used refrigerants and refrigeration applications, for commercial as well as industrial refrigeration purposes. Danfoss check valves are available in most connection types and sizes, for low and
- Connection: Socket Weld / Solder
- Material of Construction: Copper
- Media Description: Gas, Other
- Media Temperature: -58 to 284 F
-
Supplier: WEH Technologies Inc.
Description: High-performance check valve for use with liquid media and air pressure These brass check valves are specially designed for hydraulic and pneumatic applications in plant engineering and are well proven in applications with submesible pump, pressure,
- Connection: Threaded
- Material of Construction: Brass / Bronze
- Media Description: Air, Hydraulic Fluid
- Media Temperature: -4 to 275 F
-
Supplier: DFT Inc.
Description: 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
- Connection: Threaded
- Flow (Cv): 5.8 to 90
- Material of Construction: Stainless Steel
- Media Description: Air, Compressed Air, Water, Hot Water, Cold Water, Potable Water, Salt Water, Wastewater, Gas, Gasoline / Diesel Fuel, High Purity Gas, LP - Gas, Natural Gas, Sour Gas, Specialty / Corrosive Gases, Hydraulic Fluid
-
Supplier: FUJIKURA COMPOSITES Inc.
Description: 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
- Connection: Threaded
- Flow (Cv): 28 to 32
- Material of Construction: Other
- Media Description: Air, Compressed Air, Water
-
Supplier: DFT Inc.
Description: The DFT® Model WLC Wafer style Silent Check Valve is a lightweight, spring-assisted, in-line check valve that provides reliable, low maintenance service for a wide range of fluids and pressure/temperature combinations. The joint between the seat ring and
- Agency / Standard: ANSI, API, AWWA, MSS, NSF
- Connection: Bolt Flange
- Flow (Cv): 19 to 1355
- Material of Construction: Cast Iron, Stainless Steel, Steel
-
Supplier: Beswick Engineering Co., Inc.
Description: This Ultra Miniature low cracking pressure check valve permits free flow in one direction and no (checked) flow in the opposite direction. This valve is specified in many applications because of its very low cracking pressure (typically less than 0.5
- Connection: Threaded, Tube Fitting
- Flow (Cv): 0.0 to 0.0480
- Material of Construction: Brass / Bronze, Stainless Steel, Other
- Media Description: Air, Compressed Air, Water, Hot Water, Cold Water, Potable Water, Wastewater, Gas, Gasoline / Diesel Fuel, High Purity Gas, LP - Gas, Natural Gas, Hydraulic Fluid, Other
-
Supplier: DFT Inc.
Description: 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,
- Agency / Standard: ANSI, API, AWWA
- Connection: Bolt Flange
- Flow (Cv): 17 to 11100
- Material of Construction: Aluminum, Brass / Bronze, Cast Iron, Exotic Metal, Stainless Steel, Steel
-
Supplier: Check-All Valve Mfg. Co.
Description: , F6, or FP are not practical. Many valves in this series meet API 594 requirements. Consult the factory for complete details. WV valves can be used as check valves, low pressure relief valves, and vacuum breakers by simply using deferent spring
- Agency / Standard: ANSI, API, ASME, MSS, ISO
- Back Flow Preventer Assembly: Yes
- Connection: Bolt Flange
- Flow (Cv): 89
-
Supplier: Qosina Corp.
Description: low, 0.112 psi cracking pressure, which determines when the component starts to open. The duckbill valve style is ideal for applications where back pressure is a concern. Qosina offers a variety of flow rates, materials, cracking pressure and back pressure
- Pressure Rating: 0.1120 psi
- Valve Type: Check Valves
-
Supplier: Qosina Corp.
Description: 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 #80057 is in-line and features a 0.130 inch OD tubing port on each end and has a low, 0.112 psi cracking pressure which
- Pressure Rating: 0.1120 psi
- Valve Type: Check Valves
-
Supplier: WEH Technologies Inc.
Description: High-performance check valves for use with liquid and gaseous media For many years we have been a preferred supplier for a wide range of industries with our check valve range. The WEH check valves are especially designed for both liquid and gaseous media.
- Connection: Threaded
- Flow (Cv): 0.2000 to 57.4
- Material of Construction: Stainless Steel
- Media Description: Air, Gas
-
Supplier: Hi-Tech Controls, Inc.
Description: The check valves in the VNR Series are available with M5 (10-32 UNF), 1/8" and 1/4" ports. They must be used when it is required to intercept a flow in one direction only. The design of these valves is of the poppet type and this feature allows operation at low
- Connection: Threaded
- Material of Construction: Brass / Bronze
- Media Description: Air, Compressed Air
- Media Temperature: 32 to 175 F
-
Supplier: U.S. Plastic Corporation
Description: Maximum Operating Pressure 125 psi. Maximum Operating Temperature 140F. Seat Area Open Diameter .438. The 694 Series Check Valve covers a wide range of air and fluid applications. The 694 Check is a compact design with a 1/3 psi cracking pressure, high flow
- Material of Construction: Polypropylene (PP)
- Valve Size: 0.7500 inch
-
Supplier: U.S. Plastic Corporation
Description: Flow-tested for minimum turbulence. Fully serviceable, replaceable components, uses standard o-ring seat. Safe-T-Blocked seal carrier - full rated pressure. Easily converted to foot valve. NSF Certified for potable water use. Low extractable PVC material. Sizes 1/2" - 2"
- Connection: Threaded, Union, Socket Weld / Solder
- Material of Construction: PVC
- Valve Size: 0.5000 inch
- Valve Type: Ball / Disk Check Valves
-
Supplier: ASCO
Description: • 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
- Connection: Threaded
- Flow (Cv): 0.7000
- Material of Construction: Brass / Bronze
- Media Description: Air, Water
-
Supplier: Check-All Valve Mfg. Co.
Description: The Universal Low Pressure check valve is a one piece body machined from bar stock and is designed for minimum pressure drop. The valve is light, compact, and provides maintenance free dependable service. For applications above 3000 PSIG, view our UN-10
- Agency / Standard: ISO
- Back Flow Preventer Assembly: Yes
- Connection: Threaded
- Flow (Cv): 11
-
Supplier: Qosina Corp.
Description: , this in-line check valve has a low 0.0.087 psi cracking pressure and is ideal for infusion, drainage and irrigation applications. Qosina offers a variety of flow rates, materials, cracking pressure and back pressure options. Check Valve
- Pressure Rating: 0.0870 psi
- Valve Type: Check Valves
-
Supplier: Qosina Corp.
Description: -line valve and has a low, 0.25 psi cracking pressure, determining when the component starts to open and can withstand 45 psi of back pressure. Qosina offers a variety of flow rates, materials, cracking pressure and back pressure options. Check
- Pressure Rating: 45 psi
- Valve Type: Check Valves
-
Supplier: Watts
Description: when flow discontinues and a low pressure drain to provide drainage of any water on the inlet side of the check valve. Maximum Pressure: 150psi (10 bar)
- Valve Size: 3 to 12 inch
- Valve Type: Check Valves
-
Supplier: Ames Fire & Waterworks
Description: when flow discontinues and a low pressure drain to provide drainage of any water on the inlet side of the check valve. Maximum Pressure: 150psi (10 bar)
- Material of Construction: Steel
- Media Description: Water, Hot Water, Cold Water, Potable Water
- Pressure Rating: 150 psi
- Valve Size: 3 to 12 inch
-
Supplier: ARKPLAS
Description: primarily for low-pressure use, Duckbill Check Valves are extremely sensitive to pressure or flow fluctuations. Each style of Standard Check Valve is stocked in one of four different materials: Kynar®, Polycarbonate, Nylon, and Polypropylene. These materials
- Connection: Tube Fitting
- Media Description: Air, Compressed Air
- Pressure Rating: 150 psi
- Valve Size: 0.1875 inch
-
Supplier: ARKPLAS
Description: primarily for low-pressure use, Duckbill Check Valves are extremely sensitive to pressure or flow fluctuations. Each style of Standard Check Valve is stocked in one of four different materials: Kynar®, Polycarbonate, Nylon, and Polypropylene. These materials
- Connection: Tube Fitting
- Media Description: Air, Compressed Air
- Pressure Rating: 150 psi
- Valve Size: 0.1250 to 0.1875 inch
-
Supplier: ARKPLAS
Description: primarily for low-pressure use, Duckbill Check Valves are extremely sensitive to pressure or flow fluctuations. Each style of Standard Check Valve is stocked in one of four different materials: Kynar®, Polycarbonate, Nylon, and Polypropylene. These materials
- Connection: Tube Fitting
- Media Description: Air, Compressed Air
- Pressure Rating: 150 psi
- Valve Size: 0.1250 inch
-
Supplier: ARKPLAS
Description: primarily for low-pressure use, Duckbill Check Valves are extremely sensitive to pressure or flow fluctuations. Each style of Standard Check Valve is stocked in one of four different materials: Kynar®, Polycarbonate, Nylon, and Polypropylene. These materials
- Connection: Tube Fitting
- Media Description: Air, Compressed Air
- Pressure Rating: 150 psi
- Valve Size: 0.1250 to 0.1875 inch
-
Supplier: Radwell International
Description: CHECK VALVE, 1 NPT, SERIES AK, LARGE FLOW CAPACITY, LOW CRACKING PRESSURE: 0.02 MPA. FREE 2 YEAR RADWELL WARRANTY
- Media Description: Air
-
Supplier: Chemac Inc./Uraca/Uhde HPT/Gather/BHDT
Description: Program Angle shut-off valves Check valves Control valves with electric, pneumatic and hydraulic actuators Specially developed High-pressure valve (pulsation valve) PN 3200 with hydraulic actuator and electronic controller for use in
- Valve Type: Angle Valves, Butterfly Valves, Check Valves, Diaphragm Valves, Globe Valves, Piston Valves, Pressure Relief Valves
-
Supplier: WEH Technologies Inc.
Description: High pressure valve with automatic venting and check valve for inert gases up to 6,000 psi (420 bar) The Block & Bleed high pressure valve type TV17GER is also designed as a shut-off valve for pressurized gases. The valve automatically vents
- Connection: Threaded
- Material of Construction: Brass / Bronze, Stainless Steel
- Media: High Purity Gas
- Pressure Rating: 6000 psi
-
Supplier: Zurn Industries LLC
Description: 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
- Back Flow Preventer Assembly: Yes
- Media Description: Water
- Valve Size: 2 inch
Find Suppliers by Category Top
Featured Products Top
-
Beswick’s miniature brass and stainless steel check valves (CKV) are ideal for instruments requiring a low cracking pressure (less than 0.5 psid). This ultra-miniature low cracking pressure check valve permits free flow in one direction and no (checked) flow in the opposite direction (read more)
Browse Check Valves Datasheets for Beswick Engineering Co., Inc. -
layouts, which are critical for operational safety and efficiency. This low-pressure safety valve delivers a precise and reliable solution: (read more)
Browse Control Valves Datasheets for Shanghai Thinktank Process Management Co., Ltd -
ensures consistent, long term performance in 4000 psi systems. Lee High Pressure Chek®Poppet-style check valves for system pressures up to 8000 psi. Available (read more)
Browse Check Valves Datasheets for Lee Co. (The) -
adaptable construction supports material changes to suit a wide range of environments. Key Features of the Cryogenic Check Valve: Temperature range: -320°F to 275°F Pressure rating: up to 5000?psi Leakage: <10?SCCM helium at (read more)
Browse Check Valves Datasheets for Lee Co. (The) -
The APCO CVS-6000 Swing Check Valve from DeZURIK delivers reliable performance, long service life, and maximum flow efficiency for demanding water and wastewater applications. Engineered with a high-strength stainless steel shaft, low head loss design, and durable epoxy-coated ductile iron body (read more)
Browse Check Valves Datasheets for DeZURIK, Inc. -
fluctuations better than alternative check valve technologies. All CK1 check valves are flanged and have a manual opening stem for manual operation. The 20-32 mm (3/4 - 1-1/4”) port size valves have a PTFE seat; larger valves have a metal to metal seat. A minimum pressure difference of .03 bar (0.5 psi (read more)
Browse Pressure Relief Valves Datasheets for Parker Sporlan Division -
The 8MPP2 low-pressure sensor utilizes Sensata’s field-proven automotive Micro-Electro-Mechanical-Systems (MEMS) technology that outputs fully conditioned pressure values via the digital I²C bus. The 8MPP2 features best-in-class performance including high accuracy, low power (read more)
Browse Pressure Sensors Datasheets for Sensata Technologies -
Introducing the Tideflex® Duckbill Check Valve – the gold standard in backflow prevention. With an unrivaled reputation, Tideflex® Duckbill Check Valves boast a low cracking pressure, effectively eliminating standing water while maintaining minimal head loss (read more)
Browse Check Valves Datasheets for DeZURIK, Inc. -
preventing reverse flow through rapid-cycling solenoid valves, as one example. Comprised of a floating disk with an elastomeric seat, the valve can operate with a low differential pressure and low pressure loss. Ideal for applications such as leak testing, they are also (read more)
Browse Check Valves Datasheets for O'Keefe Controls Co. -
Compressor inlet Pressure letdown and more! Whatever your size, pressure, or piping configurations, DFT® has a check valve that's right for you. Contact us to talk with a (read more)
Browse Check Valves Datasheets for DFT Inc.
More Information Top
Indicates content that may require registration and/or purchase.
-
Federal Register > Tuesday, May 18, 1999 > [64 FR 26835] Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-145 Series Airpla...
The DAC advises that premature wear of the bleed- air check valve on the low - pressure bleed line of the engine has been detected on several airplanes that have accumulated more than 2,000 total flight hours.
-
Federal Register > Thursday, July 24, 2003 > [68 FR 43621] Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-135 and -145 Se...
The actions specified by this AD are intended to prevent failure of the bleed- air check valves on the bleed low - pressure lines of the engines, which could result in engine compressor stall and consequent flameout of the affected engines.
-
Federal Register > Tuesday, March 20, 2001 > [66 FR 15667] Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-135 and -145 Se...
The actions specified by the proposed AD are intended to prevent failure of the bleed- air check valve on the bleed low - pressure line of the engine, which could result in engine compressor stall and consequent stall flameout of the affected engine.
-
Ascending elevator accidents: give the miner a brake
The pressure switch on the supply side of the check valve monitors for low pressure in the air tank.
-
System Description for the KW Basin Integrated Water Treatment System (IWTS) (70.3)
The smaller ( 2 4 , I-in, and 0.5-in) check valves are used for low pressure water or air applications and are manufactured by Check-All Valve@.
-
Nucla circulating atmospheric fluidized bed demonstration project
THE INSTRUMENT AIR COMPRESSOR CHECK VALVE BETWEEN THE HIGH AND LOW PRESSURE STAGES FAILED AND WAS REPLACED, .
-
Generic risk insights for General Electric boiling water reactors
The most common low pressure ECCS interface design has an air operated check valve inside containment, a normally closed motor operated outboard containment isolation valve, and an upstream (further from containment) normally open MOV at the interface boundary.