PRAHER check valves

336 companies | 1,238 products
piston check valve
piston check valve
UC series

Pressure: 0 bar - 670 bar

... 10,000psi(670bar) The Alco Valves Non Return Valve is designed for higher flow and low pressure drop across the valve - having a larger through bore than most other ...

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Alco
pressure gauge check valve
pressure gauge check valve

Pressure: 0 mbar - 600 mbar
Temperature: 20 °C

Operating: the manual pressure gauge valve enables, by pushing the button, to check the existing pressure when testing the system. By releasing the button, the valve automatically closes; ...

sanitary check valve
sanitary check valve
SBO series

DN: 0.75 in - 1.25 in
Pressure: 6 bar
Temperature: 130 °C

Gravity circulation checks SBO for sanitation and heating SBO gravity circulation checks are installed downstream of circulating pumps in heating and hot water systems, to prevent gravity circulation. They ...

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GESTRA AG
ball check valve
ball check valve
CV series

Pressure: 0 psi - 4,500 psi

High flow, zero leak, low pressure drop check valve suitable for most fluid and gas applications. Fully guided poppet with free floating O-ring design is extremely tolerant of particulate contamination. ...

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Generant
ball check valve
ball check valve

LENGTH OF INSTALLATION ACCORDING TO DIN 3202 F1 column. material specifications Shaped pieces: St 35 seconds DIN 1629 Part 3 (1.0308) Flange: R-St 37-2 according to DIN 17100 (1.0112) Coating: PTFE according to ASTM D 1457-78 ...

piston check valve
piston check valve

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" ...

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Celeros
piston check valve
piston check valve

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 ...

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Celeros
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 ...

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Celeros
ball non-return valve
ball non-return valve
EA221B

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

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SOCLA
male-male non-return valve
male-male non-return valve
EB241

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

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SOCLA
male-male non-return valve
male-male non-return valve
EB261

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

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SOCLA
wrought steel check valve
wrought steel check valve
CSA5743, CSA5744 series

DN: 10 mm - 50 mm
Pressure: 138 bar
Temperature: -29 °C - 425 °C

Body material Steel A105N Disc material Stainless steel 410 Connection SW Seat Stellited stainless steel 410 Working pressure 800 Lbs

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TECOFI
ball check valve
ball check valve
B6095

DN: 0.5 in - 2 in

... Piece, Standard Port, Threaded One-Way Bronze Ball Valves w/Integral Check feature a cam lock smart ball check valve insert manufactured from polymer materials, NBR rubber ...

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Watts Water Technologies
disc check valve
disc check valve
303 series

DN: 0.375 in - 4 in
Pressure: 8, 10, 16 bar
Temperature: -10 °C - 110 °C

... series brass check valve is of female/female type. An arrow provides indication for respect the flow direction. It has a nylon throttle. The double axial and lateral guidance ensures the throttle is accurately ...

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SFERACO
shuttle check valve
shuttle check valve
V-CVW

DN: 10 mm - 20 mm
Pressure: 250 bar

Flow direction: D2 -> D1, D3 closed; D3 -> D1, D2 closed

piston check valve
piston check valve
104

... 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 ...

lift check valve
lift check valve

... 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 ...

poppet check valve
poppet check valve

DN: 0.125 in - 1 in

NON-RETURN VALVES With possibility for connecting relieve pipe. Can be mounted horizontally and vertically.

swing check valve
swing check valve
H24X series

DN: 2 in - 12 in
Pressure: 16 bar
Temperature: -10 °C - 82 °C

... Door Check Valve is a wafered,double door swing type check valve thatallows water flow in one direction only.A hinged clapper remains open with waterflowing in one direction, ...

swing check valve
swing check valve
H84X series

DN: 2 in - 12 in
Pressure: 20, 24 bar

Grooved swing type check valve that allows waterflow in one direction only.A hinged clapper remains open with water flowing in one direction, and automatically closes,with the help of an incorporated ...

swing check valve
swing check valve

... pumping plants, it prevents the liquid from flowing back in case the pump is deactivated. The valve is closed by its own weight or by counter force. Check valves should be installed by ...

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 ...

piston check valve
piston check valve

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 ...

ball check valve
ball check valve

DN: 3 in - 18 in

Copes-Vulcan has supplied check valves to the nuclear industry since the early 1970s. It is designed to provide positive shutoff even at low differential pressures. Features: 3-18 inch, Class ...

cartridge check valve
cartridge check valve
CV08-P0

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 ...

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Hydrabase
cartridge check valve
cartridge check valve
CV10-P0

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: ...

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Hydrabase
cartridge check valve
cartridge check valve
HCV10-P1

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: ...

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Hydrabase
ball check valve
ball check valve
09235665

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.

swing check valve
swing check valve
164 02 series

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 ...

cartridge check valve
cartridge check valve
158 1G series

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 ...

disc check valve
disc check valve

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 ...

swing check valve
swing check valve
k05a-500-505

DN: 40 mm - 1,200 mm
Pressure: 40, 64, 10, 16, 25 bar

STANDARDS OF MANUFACTURE EN 1074-1 VALVES FOR WATER SUPPLY EN 1074-3 CHECK VALVES EN 558 S48 (ISO 5752) (DIN 3202 F6) FACE TO FACE EN 1092-1 DRILLING FLANGES STEEL EN 1092-2 DRILLING ...

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ACMO S.p.A.
ball check valve
ball check valve

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

ball check valve
ball check valve

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

ball check valve
ball check valve

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

piston check valve
piston check valve

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 ...

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China MED Valve Co., Ltd.
swing check valve
swing check valve

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 ...

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China MED Valve Co., Ltd.
swing check valve
swing check 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 ...

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China MED Valve Co., Ltd.
disc check valve
disc check valve
RT25

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.

disc check valve
disc check valve
SRT10

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 ...

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