Check valves

DN: 1 in - 20 in

Designed to prevent backflow, the M&J Valves Piston Controlled Check Valve is silent in operation and has no flapper to hammer against the seat. Features The patented "floating piston" ...

DN: 1 in - 20 in

The patented "floating piston" rides up and down in the cylinder with flow surges. As flow pressure is reduced, the piston softly settles on the seat to prevent backflow. Opening and closing actions are positively controlled to minimize ...

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 ...

DN: 15 mm - 250 mm
Pressure: 10 bar
Temperature: -10 °C - 100 °C

housing, water distributions, protection of drinking water networks PRESSURE PFA/PS in bar θ 80° 2 drilled bosses 1/4” with POM (polyacetal) plugs GUIDING + CLOSING SYSTEM : POM or PPO (Polyphenylene oxyd) or PA SEAL : NBR or EPDM

DN: 0.25 in - 0.75 in
Pressure: 10 bar
Temperature: -10 °C - 80 °C

CASING : brass GUIDING + CLOSING SYSTEM : POM (polyacetal) SEAL : NBR (nitrile) or EPDM lip-ring SPRING : stainless steel

DN: 0.5, 0.75 in
Pressure: 10 bar
Temperature: -10 °C - 80 °C

housing, water distributions, industry PRESSURE PFA/PS in bar T°C 80° 1 downstream boss drilled 1/4” POM (polyacetal) plug GUIDING + CLOSING SYSTEM : POM (polyacetal) SEAL : NBR (nitrile) or EPDM lip-ring

... control valves These valves are designed to regulate the cylinder piston speed Check valves Full flow in one direction flow blocked in the opposite direction Pilot-operated ...

... reliably protected from contamination by reflux prevention Improvement of residual drainage by pump attached to the outlet valve Suitable for all non-sticky, low-viscosity filling goods and also for sensitive ...

DN: 0.5 in - 24 in

... steel check valves with ANSI 800, 1500, sizes ½” to 2” of bolted bonnet. Second, the ductile iron swing check valves, available in sizes from DN 50 to DN 1200, have a ...

Temperature: -200 °C - 65 °C

Cryogenic valves are used in the transportation line of liquefied gas at very low temperature like Liquefied Natural Gas, Liquefied Petroleum Gas or Liquid NItrogen… From -200 °C to +65°C A vast range of high performance ...

Pressure: 300 Pa
Temperature: -20 °C - 80 °C

Description Check valves are destined generally as a security system to avoid that the pressure in the hydraulic circuit can invert the fluid direction, generally oil. For more information on our check ...

DN: 0.75 in
Pressure: 250 bar
Temperature: -54 °C - 204 °C

A screw-in，Cartridge-style，hydraulic check valve for blocking or load-holding device. Operation CV08-P0 allows flow from ① to ②, and blocks flow in the opposite direction. The cartridge has ...

Pressure: 250 bar
Temperature: -54 °C - 204 °C
Flow rate: 76 l/min

... changes. Positive stops prevent springs from going solid. Compact size. Adjustments cannot be backed out of the valve. Industry common cavity. Hardened poppet and cage for long life. Flow: ...

Pressure: 420 bar
Temperature: -54 °C - 204 °C
Flow rate: 160 l/min

... changes. Positive stops prevent springs from going solid. Compact size. Adjustments cannot be backed out of the valve. Industry common cavity. Hardened poppet and cage for long life. Flow: ...

DN: 10 mm - 100 mm
Pressure: 25 bar - 250 bar
Temperature: 350 °C

forged body (lifetime up to 60 years) – non-cobalt overlay Material stainless steel 08Ch18N10T, carbon steel 12 020.1 Connection butt welding ends Operating self-acting

DN: 15 mm - 200 mm
Pressure: 10 bar - 40 bar
Temperature: -50 °C - 400 °C

design of the body is straight sealing – check valve disc with spring – with spring, the valve can be mounted in position both horizontal and vertical – sealing surface is welded by ...

DN: 65 mm - 150 mm
Pressure: 160 bar - 400 bar
Temperature: -10 °C - 550 °C

high-pressure lift check valve – design of the body is straight sealing – check valve disc – sealing surface is welded by hard facing (13Cr) or Stellite 6 – complies ...

DN: 0.5 in
Pressure: 210 bar
Temperature: -20 °C - 90 °C

Hyva Check Valve with a max. working pressure of 210 bar, Nominal flow of 35 L/min. This Check Valve is made from aluminium and the temperature range is -20 / + 90.

DN: 50, 80 mm
Pressure: 16 bar
Temperature: 0 °C - 100 °C

... resistant against aggressive water flange connection with sidewise drain valve, rotatable hose connection element G 3/4 with test port check valve with SST spring ...

DN: 15 mm - 50 mm
Pressure: 10 bar
Temperature: 0 °C - 90 °C

... resistant against aggressive water male union thread with plugged drain port with test port controllable check cartridge free from dead spots for any installation position Standards and ...

DN: 15 mm - 100 mm
Pressure: 40 bar
Temperature: 400 °C

•Process line, product pipes, way out of pumps, fluid machinery. •The check disc valve close for the spring action when reduce the line pressure, getting a mild closing and avoiding the fluid recession ...

DN: 0.5 in - 42 in

... Bidegain we manufacture non-return valves, also known as a check valves, from the complete kit to the independent components, always ensuring the highest levels of quality and optimal ...

DN: 0.5 in - 12 in
Pressure: 150 psi

SIZE: 1/2＂～2＂ JOINT END TYPE 1: SOCKET (ANSI /DIN / JIS/ CNS) JOINT END TYPE 2: THREADED (PT/NPT/BSPF) CHECK VALVE TYPE: BALL/HALF BALL WORKING PRESSURE: 150PSI

DN: 0.5 in - 2 in
Pressure: 150 psi

SIZE: 1/2＂～2＂ JOINT END TYPE 1: SOCKET (ANSI /DIN / JIS/ CNS) JOINT END TYPE 2: THREADED (PT/NPT/BSPF) CHECK VALVE TYPE: BALL/HALF BALL WORKING PRESSURE: 150PSI

DN: 0.5 in - 3 in
Pressure: 150 psi

SIZE: 1/2＂～3＂ JOINT END TYPE 1: SOCKET (ANSI /DIN / JIS/ CNS) JOINT END TYPE 2: THREADED (PT/NPT/BSPF) CHECK VALVE TYPE: BALL/HALF BALL WORKING PRESSURE: 150PSI

DN: 0.5 in - 12 in

API 6D Lift Check Valve Manufacturer: Lift Type Check Valves, BS 1868, API 6D, BS 5352, ISO 15761, 1/2-12 Inch, Class 150-2500 LB, BW, SW, Threaded End. Lift check ...

DN: 1,000 mm
Pressure: 50 bar

40 Inch Swing Check Valve Manufacturer: ASTM A351 CF8 Swing Type Check Valves, 40 Inch, DN1000, Class 300 LB, PN50, API 6D, Flanged, API 598 Test. Valve ...

DN: 350 mm
Pressure: 250 bar

Cast Steel Swing Check Valve Maker: Cast Carbon, Stainless, Alloy Steel Swing Check Valves, ASTM A216 WCB, 14 Inch, Class 1500 LB, DN350, PN250. Valve ...

DN: 0.25 in - 2 in
Pressure: 0 bar - 21 bar
Temperature: 0 °C - 220 °C

The RT25 all stainless steel disc check valves have a compact design and were specially designed for use with steam and hot condensate.

DN: 0.5 in - 4 in
Pressure: 0 bar - 10 bar
Temperature: -10 °C - 200 °C

The SRT10 all stainless steel disc check valve has a compact design and is specially designed for use with clean steam, hot condensate and other process fluid applications. They are particularly recommended ...

DN: 40 mm - 900 mm
Pressure: 10 bar - 160 bar

Bolted Bonnet or Pressure Seal Bonnet Coating: Standard Paint Coating Design Prohibits Galling or Scoring of Seating Surfaces Large-sizes Are Provided With Lifting Rings for Easy Hoisting One-Piece Disc Construction ...

DN: 2 in - 32 in

Type: Pressure seal swing check valve Pressure: Class 600LB ~2500LB Connect End: RF, RTJ, BW, Material: Cast steel, Alloy Steel. Low Temperature Steel, Stainless Steel. Duplex Steel. Etc. Application ...

DN: 2 in - 24 in

Pressure: Class 150LB ~ 2500LB Connect end: RF, RTJ, BW. Material: Cast steel, Alloy steel. Low temperature steel. Stainless steel. Duplex steel. etc. Application Standard: Design: ASME B16.34 Face-to-face: ASME B16.10 Flanged ...