Check valves

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Check valves | How to choose the right check valve
The check valve allows fluid to flow in one direction only, blocking its passage in the opposite direction. Fluid backflow can damage circuits, especially hydraulic circuits. These valves can also prevent liquid or steam leaks if there are faults in the pipe structure. They are also installed in sewage pipes to prevent backflow and the passage of bad smells. Check valves can be found in hydraulic pumps and motors, ventilation systems, pump pipes, hydraulic and pneumatic...
swing check valve
swing check valve

DN: 2 in - 36 in

... M & J Swing Check Valve is a one-piece body, top entry design for reliable operation and extended seat seal life. Top entry construction allows field service and in-line maintenance, if necessary. All major components ...

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Celeros
lift check valve
lift check valve

DN: 10 mm - 400 mm
Pressure: 10 bar - 400 bar

... the HOERBIGER plate check valve? The high dynamic valve characteristics of HOERBIGER plate check valves protect reliably from back-flow and thus, increase the availability ...

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HOERBIGER Automatisierungstechnik GmbH
disc check valve
disc check valve
SDCV series

DN: 50 mm - 350 mm
Pressure: 40 bar

... Split disc check valve Like the DCV, the Spirax Sarco SDCV provides a compactinstallation. The design of the SDCV resolves the size andpressure drop limitations of other check valve ...

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Spirax Sarco
membrane check valve
membrane check valve
WW-740Q

DN: 40 mm - 900 mm
Pressure: 0.7 bar
Temperature: 0 °C - 85 °C

... Product overview
Double-chambered, hydraulically operated active check pump control valve (Model 740-03-S, 700 Sigma Series). Opens fully or shuts off in response to electric control signals to isolate the pump ...

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BERMAD CS Ltd
disc check valve
disc check valve
62B

DN: 25.4 mm - 101.6 mm

... Valves / Check Valves The 62B Air Blow Check Valves are "plug-style," where air pressure pushes the bonded rubber plug away from the seat. FEATURES In the absence ...

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Waukesha Cherry-Burrell
piston check valve
piston check valve
789 series

DN: 6 mm - 12 mm
Pressure: 10 bar
Temperature: -5 °C - 60 °C

... Piloted non-return valves are designed to protect installations. When the compressed air supply is removed, the non-return valves will lock the air supply to the cylinder. As a resuit, the cylinder will maintain its position. ...

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Parker Legris
cartridge check valve
cartridge check valve
CV04-20

DN: 14.3 mm
Pressure: 241 bar
Temperature: -54 °C - 204 °C

... style, hydraulic check valve for use as a blocking or load-holding device. Operation The cartridge valve allows flow from port 1 to 2, while normally blocking flow in the opposite direction. The cartridge ...

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HYDRAFORCE
ball check valve
ball check valve
RD IR

DN: 19 mm - 65 mm
Pressure: 250, 315, 400 bar

... BSP cylindrical internal threads Sealing form 1 + 2 Shape A Construction straight Design Non-return valve, connector Material Steel Surface electro galvanised ...

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HANSA FLEX AG
disc check valve
disc check valve
FFC

DN: 18 in - 56 in
Temperature: 780 °C

... The fluidised catalytic cracking (FCC) air blower line check valves are used to prevent the backflow of catalyst from the regenerator. IMI Remosa’s check valves guarantee high reliability ...

cartridge check valve
cartridge check valve
PRV

Temperature: -30 °C - 100 °C

... ARGUS PRV cartridge non return valves are designed for direct installation into device or machine housings. They enable a flow in one direction and block it in the opposite direction. They therefore belong to the group ...

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ALFAGOMMA
ball check valve
ball check valve
CVDC10 series

DN: 15 mm - 100 mm
Pressure: 10 bar - 16 bar

... ul>

  • Check ball valve with transparent body


  • Product information
    • Type: Check Valves
    • Brand: U-PVC Check Valves
    • SKU:
    ...

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    NEISCO FOR MODERN WATER SYSTEMS PRODUCTION
    swing check valve
    swing check valve
    FV10 series

    DN: 75 mm - 200 mm
    Pressure: -10 bar - 7,000 bar

    ... UPVC - Flap Valve

  • Category: Check Valves
  • SKU:

  • Summary
    UPVC flap ( check) valve series FV10 available in DN75–DN200 to prevent ...

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    NEISCO FOR MODERN WATER SYSTEMS PRODUCTION
    ball check valve
    ball check valve
    CVD11 series

    DN: 15 mm - 100 mm
    Pressure: 16 bar

    ... UPVC check valves for pressure piping systems. Check valve female with female threaded sockets.

    Product details

    • Brand: U-PVC Check Valves
    • Category:
    ...

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    NEISCO FOR MODERN WATER SYSTEMS PRODUCTION
    ball check valve
    ball check valve
    100210

    DN: 0.25 in - 2 in

    ... Check valves These one-way valves are made with bronze and brass with a seal in NBR nitrile rubber or, upon request, in Viton®, only for series 10 ... 11. To ensure a practical assembly they are available ...

    membrane check valve
    membrane check valve
    100115

    DN: 0.25, 0.375, 0.5, 1, 0.75 in

    ... Membrane check valves These valves have the same features of the previously described check valves, but they are made with anodised aluminium, which makes them particularly ...

    wafer check valve
    wafer check valve
    CROV series

    DN: 40 mm - 300 mm
    Pressure: 6 bar
    Temperature: 0 °C - 60 °C

    ... Wafer check valve in PVC-U/EPDM. The CR wafer check valve is designed to be installed directly between stubs and flanges in accordance with ISO/DIN standards. Technical features ...

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    FIP - Formatura Iniezione Polimeri
    swing check valve
    swing check valve
    FROAF series

    DN: 32 mm - 400 mm
    Pressure: 8, 10, 5 bar

    ... The FR type swing check valve is designed to be directly installed between stubs and flanges according to ISO/DIN or ANSI 150 standards. ...

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    FIP - Formatura Iniezione Polimeri
    swing check valve
    swing check valve
    FROAM series

    DN: 32 mm - 400 mm
    Pressure: 10, 8, 6, 5 bar

    ... The FR type swing check valve is designed to be directly installed between stubs and flanges according to ISO/DIN or ANSI 150 standards. ...

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    FIP - Formatura Iniezione Polimeri
    high-pressure check valve
    high-pressure check valve
    CV series

    DN: 0.125 in - 1 in
    Pressure: 15,000 psi - 150,000 psi

    ... Product Overview
    Ultra-high pressure check valve rated to ~100,000 psi for extreme industrial applications. Spring-loaded poppet design provides rapid, reliable one-way flow with minimal cracking pressure ...

    hydraulic non-return valve
    hydraulic non-return valve
    901390

    DN: 1, 0.5, 0.75 in
    Pressure: 350 bar

    ... NON-RETURN VALVE - Bezares SA - Leading hydraulic manufacturer Hydraulic valve for the flow control. ...

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    BEZARES S.A.
    hydraulic non-return valve
    hydraulic non-return valve
    MC 02

    Pressure: 0 psi - 1,706.4 psi
    Temperature: 50 °C
    Flow rate: 50 l/min

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    BEZARES S.A.
    pilot-operated non-return valve
    pilot-operated non-return valve
    MPC 02

    Pressure: 0 bar - 1,706.4 bar
    Temperature: 50 °C
    Flow rate: 50 l/min

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    BEZARES S.A.
    gas non-return valve
    gas non-return valve
    ULTRA 10

    DN: 0.5 in
    Pressure: 0 bar - 16 bar
    Temperature: -20 °C - 60 °C

    ... non-return valves for reliable protection against dangerous reverse gas flow. Flow-optimised valve system causes very low pressure drop at minimal noise emission. Every non-return valve 100% tested. Benefits ...

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    WITT-Gasetechnik
    gas non-return valve
    gas non-return valve
    ULTRA 20

    DN: 0.75, 1, 0.5 in
    Pressure: 0 bar - 16 bar
    Temperature: -20 °C - 70 °C

    ... non-return valves for reliable protection against dangerous reverse gas flow. Flow-optimised valve system causes very low pressure drop at minimal noise emission. Every non-return valve 100% tested. Benefits ...

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    WITT-Gasetechnik
    gas non-return valve
    gas non-return valve
    ULTRA 30

    DN: 1.5 in
    Pressure: 0 bar - 20 bar
    Temperature: -20 °C - 70 °C

    ... non-return valves for reliable protection against dangerous reverse gas flow. Flow-optimised valve system causes very low pressure drop at minimal noise emission. Every non-return valve 100% tested. Benefits ...

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    WITT-Gasetechnik
    DIN non-return valve
    DIN non-return valve
    30405 series

    DN: 0.125 in - 0.5 in
    Pressure: 0 bar - 10 bar
    Temperature: -10 °C - 70 °C

    ... unidirectional connection, non-return valves, slide valve, quick exhaust valve Flow regulators 041, 042, 043 Unidirectional flow regulator (block shaped) Valves in general Valves ...

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    ITV
    DIN non-return valve
    DIN non-return valve
    IG-AG

    DN: 0.125, 0.5, 0.25 in
    Pressure: 0 bar - 10 bar
    Temperature: -10 °C - 70 °C

    ... unidirectional connection, non-return valves, slide valve, quick exhaust valve Flow regulators 041, 042, 043 Unidirectional flow regulator (block shaped) Valves in general Valves ...

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    ITV
    compressed air check valve
    compressed air check valve
    ipso 048

    DN: 6, 12, 10, 8, 4 mm
    Pressure: 2 bar - 10 bar
    Temperature: -10 °C - 70 °C

    ... unidirectional connection, non-return valves, slide valve, quick exhaust valve Flow regulators 041, 042, 043 Unidirectional flow regulator (block shaped) Valves in general Valves ...

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    ITV
    membrane check valve
    membrane check valve
    CKV-.-..-.

    DN: 0.88 mm - 1.01 mm
    Pressure: 0 psi - 250 psi

    ... cracking pressures around 0.5 psig. Check valve elements are typically actuated by reverse pressure and are best suited for applications with over 5 psig of back pressure. If the valve is required ...

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    Beswick Engineering Co, Inc.
    membrane check valve
    membrane check valve
    CKV..-..-.

    DN: 0.88 mm - 3.2 mm
    Pressure: 0 psi - 250 psi

    ... cracking pressures around 0.5 psig. Check valve elements are typically actuated by reverse pressure and are best suited for applications with over 5 psig of back pressure. If the valve is required ...

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    Beswick Engineering Co, Inc.
    duckbill check valve
    duckbill check valve
    CKV38-.-.-..

    DN: 2, 0.125 mm
    Pressure: 0 psi - 100 psi

    ... cracking pressures around 0.5 psig. Check valve elements are typically actuated by reverse pressure and are best suited for applications with over 5 psig of back pressure. If the valve is required ...

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    Beswick Engineering Co, Inc.
    swing check valve
    swing check valve
    HCV-300FF

    DN: 2 in - 12 in
    Pressure: 300 psi
    Temperature: 0 °C - 80 °C

    ... Model HCV, UL Listed Swing Check Valve, also known as NON-Return Valve, is commonly used in water pumping in Fire Systems. The main function the Swing Check Valve ...

    swing check valve
    swing check valve
    HCV-350GG

    DN: 2 in - 12 in
    Pressure: 350 psi
    Temperature: 0 °C - 80 °C

    ... Model HCV-350GG, theUL Listed Groove Swing Check Valve, allows and easy and faster installation, this valve is commonly used in water pumping in Fire Systems. T he main function the Swing Check ...

    lift check valve
    lift check valve
    CHF

    DN: 2 in - 12 in
    Pressure: 0 bar - 20 bar
    Temperature: -15 °C - 80 °C

    ... Model CHF, The Silent Check Valve plays an important role on piping, especially applied on the outlet of the pump. The silent check valve applied should be carefully selected to prevent ...

    ball check valve
    ball check valve
    C1-189332

    DN: 2.8 mm - 5 mm
    Pressure: 2,500 bar - 4,200 bar
    Temperature: 5 °C - 50 °C

    ... ultra-high pressure check valves perform this function reliably. The large effective nominal bore ensures high flow rates with low pressure drop. Installation is simplified by the integrated double-pressure screw: the ...

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    WEH FluidTech GmbH
    ball check valve
    ball check valve
    C1-191932

    DN: 3.18 mm
    Pressure: 1 bar - 1,379 bar
    Temperature: -18 °C - 204 °C

    ... Description
    The WEH® medium pressure check valve reliably prevents backflow by allowing fluid to flow in one direction only. It is designed for use with MP fittings and is suitable for both gaseous and liquid ...

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    WEH FluidTech GmbH
    ball check valve
    ball check valve
    WEH® TVR2

    DN: 0.125 in - 3 in
    Pressure: 1,000 bar

    ... The check valves are available for inert/flammable gases and for oxygen and come complete with the seals suitable for the relevant medium. All check valves comply with the European Pressure ...

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    WEH FluidTech GmbH
    stainless steel non-return valve
    stainless steel non-return valve
    VRX series

    DN: 22 mm - 42 mm
    Pressure: 0.3 bar - 40 bar
    Temperature: -20 °C - 180 °C

    ... The non-return valves in 316L stainless steel are designed for heavy-duty conditions. The guided shutter and the spring never fully compressed guarantee very high intervention frequencies. ...

    membrane check valve
    membrane check valve
    VR series

    DN: 0.125 in - 0.5 in
    Pressure: 2 bar - 8 bar
    Temperature: -20 °C - 80 °C

    ... This valve allows the transit of the air only in one way, the valve stops it in the opposite way. They are available with male or female thread, in several dimensions. ...

    ball check valve
    ball check valve
    6916-08

    Pressure: 700 bar

    ... Check valve, hydraulically pilot operated max. operating pressure 700 bar. Design: Housing made of steel, surface galvanized. Spring-loaded ball acting as a valve element. The control connection ...

    NPT check valve
    NPT check valve
    CV series

    DN: 0.25 in - 2 in
    Pressure: 0 bar - 15.9 bar
    Temperature: -18 °C - 93 °C

    ... high-quality Check  Valves are specially manufactured in the U.S.A. by ANVER, for ANVER lifting systems. Versatile, one-way Check Valves work with nearly all of ANVER’s vacuum applications ...

    fall prevention non-return valve
    fall prevention non-return valve
    ECV series

    Pressure: -100,000 Pa - 700,000 Pa
    Temperature: 0 °C - 60 °C

    ... Minimize the pressure drop of other circuit when a workpiece falls down. Fall prevention valve prevents the properly picked up work-piece from falling, even when several vacuum pads are without work-piece, causing vacuum lowering of ...

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    NIHON PISCO CO., Ltd.
    anti-spatter non-return valve
    anti-spatter non-return valve
    V-0 series

    Pressure: 0.1 bar - 0.9 bar
    Temperature: 0 °C - 60 °C

    ... The joint made of a flame-retarded resin is highly resistant to spatters (UL94 V-0 equivalent). The cover prevents malfunction of the release ring due to spatter. Flame-retarded plug is newly introduced. For price options, please contact our ...

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    NIHON PISCO CO., Ltd.
    disc non-return valve
    disc non-return valve
    CV series

    DN: 4, 6, 8, 10, 12 mm
    Pressure: 0 MPa - 0.9 MPa
    Temperature: 0 °C - 60 °C

    ... Check Valve permits the air flow in one direction but checks the flow in the opposite direction, thus keeping the output pressure at a constant level. Usable in vacuum retention state and low-pressure ...

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    NIHON PISCO CO., Ltd.
    swing check valve
    swing check valve
    SISTO-RSKNA

    DN: 25 mm - 300 mm
    Temperature: -20 °C - 100 °C

    ... Swing check valve to DIN/EN with flanged ends, in straight-way pattern, full bore, body with coating or lining, slanted-seat design, static sealing to atmosphere; with soft rubber encapsulated pre-loaded valve ...

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