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...
spring check valve
spring check valve
UP-S.67.SF1

DN: 10 mm - 100 mm
Pressure: 10, 16 bar
Temperature: 10 °C - 63 °C

... • May be used either vertically and horizontally. • 100% factory tested. • Easy installation and maintenance. • Available in PVC-U and Corzan® CPVC. • Resistance to many inorganic chemicals. • Excellent flow characteristics. ...

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Cepex SER
piston check valve
piston check valve
L10

DN: 0.5 in - 2.5 in
Pressure: 10 bar - 100 bar

... Description The L10 Pressure Lock Valve is a solenoid operated check valve designed for hydraulic elevators and includes a self-closing manual lowering valve. Its purpose is to allow ...

shuttle check valve
shuttle check valve
D series

DN: 0.125 in - 0.5 in
Pressure: 0 bar - 12 bar
Temperature: -20 °C - 80 °C

... Complementary valves are very important components of the pneumatic circuits. This group includes the: - SHUTTLE VALVES: these valves are used when there is the necessity to convey, in one pipeline, ...

ball check valve
ball check valve
SCV series

DN: 6, 12, 10 mm
Pressure: 10, 16 bar

... securely prevents backflow or back siphonage contamination risks up to Fluid Category 2 John Guest push-fit acetal single check valve provides protection from the reversal of flow or back siphonage against Fluid Category ...

ball check valve
ball check valve
VP

... VP BALL CHECK VALVE The ball shutter check valve is extremely reliable in both vertical and horizontal installations thanks to its simple design and absence of mechanical parts. Its ...

poppet check valve
poppet check valve
VC5V06

DN: 20 mm
Pressure: 0 bar - 210 bar

... Series VC5V06 Nominal Size Inch 3/4" mm 20 Maximum Flow gpm 26 lpm 100 Maximum Pressure psi 3050 bar 210 Mounting Flange (Poppet & Ball Type) ...

high-capacity check valve
high-capacity check valve
RV series

DN: 150, 200 mm
Pressure: 16 bar
Temperature: -60 °C - 180 °C

... Features •Seat and seat seal easy replaceable •Vacuum-resistant •Vertical, inclined or horizontal installation •Suitable vapours, gases and liquids Specifications •Design - ISO/DIN •Nominal Pressure - 16 bar •Lining - PTFE •Housing ...

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Richter Chemie Technik
standard check valve
standard check valve
MPA-01 series

Pressure: 2, 4 bar
Temperature: -15 °C - 70 °C
Flow rate: 35 l/min

... Cetop 3 (NG6) Pilot Operated Check Valve – Pilot Operated Check Valves. Designed for use in applications requiring an actuator to be locked in position, Pilot Operated Check ...

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YUKEN Europe Ltd.
disc check valve
disc check valve
VC

DN: 16 mm - 100 mm
Pressure: 0 bar - 1,000 bar
Flow rate: 20,000 l/min

... legacy, the VC line of high-pressure check valves are built to take on difficult operations and keep working. The line includes standard check valves, headed check valves ...

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
compressed air check valve
compressed air check valve
ZNF

DN: 110 mm - 160 mm
Pressure: 1.6 MPa
Temperature: 40 °C - 150 °C

... ZNF Series Check Valves is a kind of check valve, which plays a one-way role in the pipeline to prevent reverse flow of medium. It is widely used in pipeline equipment of various departments. ...

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Zhejiang Gute Pneumatic Machinery Co., Ltd
shuttle check valve
shuttle check valve
VSK* series

Pressure: 0 bar - 350 bar

... — The VSK* valves are shuttle type, cartridge version and it can be used in panels and blocks. — The valve select the higher pressure signal between “1” and “3” through the output port ...

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Duplomatic Oleodinamica
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
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 centered ...

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SFERACO
stainless steel check valve
stainless steel check valve
2CLRFE100

DN: 100 mm

The FG Inox sight glass is constructed with the integration of 316 stainless steel materials. Its design also includes a female thread fitting. This assembly measures from DN 15 to 50, and approximates body mass from 900 to 4,000 kg. Each product from ...

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FG INOX
piston check valve
piston check valve
ART. 001 series

DN: 0.25 in - 2.5 in
Pressure: 60 bar
Temperature: 150 °C

... Characteristics: Valve body machined from solid, no middle connections. The closure area is between the 2 support points of the piston. Documentation: Laser marking for traceability and validation processes. Material 3.1 and FDA ...

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RATTIINOX SRL
ball check valve
ball check valve
ERM103AB

Pressure: 0 bar - 300 bar
Flow rate: 0 l/min - 60 l/min

... Pilot operated check valves for modular mounting Weight = 1.2 Kg ...

disc check valve
disc check valve

DN: 2 in - 12 in
Pressure: 0 bar - 25 bar
Temperature: 0 °C - 180 °C

... TECHNICAL INFORMATION1. Wafer check valve (double disk)2. Made of stainless steel CF8M3. Disk made of CF8M4. Axle and spring made of AISI 3165. Seat of viton (FKM) vulcanised in groove6. Assembly between flanges DIN EN ...

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Intertubi
check valve
check valve
205

... Shut-off valve. Made of high density polyethylene with stainless steel bodies. Flat version for vertical installation (wall-mounted). It is used to adjust the flow or to close/open the system completely. - Materials: - Black high density ...

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MACPLAST SRL
ball check valve
ball check valve
VU

DN: 6 mm - 50 mm
Temperature: -20 °C - 100 °C

... carbon steel is a 2-way high pressure ball valve manufactured by Gemels. Made with an exagone material, it features a set of ball seats that has a nominal diameter ranging between 1/4in to 2in. Additionally, the valve ...

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Gemels S.p.A.
swing non-return valve
swing non-return valve
KZ

DN: 100 mm - 315 mm
Pressure: 0 bar - 100 bar
Temperature: -20 °C - 90 °C

... A circular non-return flap valve with a spring mechanism, against air backflow. Intended Use This type of system element prevents warm air from escaping/migrating or cold air getting inside with the loss of the compression ratio, ...

poppet check valve
poppet check valve
DP-F-003-0000 series

... Prevents the medium from flowing back into the inactive pump. The valve closes automatically at the pump outlet against the direction of flow. FP050-T, FP200-T ...

sanitary check valve
sanitary check valve
Hygenitec™

DN: 12.7 mm - 152.4 mm
Pressure: 2 psi - 3 psi
Temperature: -10 °F - 390 °F

... Check valves from Hygenitec are designed to guarantee effective, positive sealing. The time-tested design features fully machined stainless housing and seamless ports, confirming a commitment to sanitary design. These ...

swing check valve
swing check valve
9831

DN: 50 mm - 200 mm
Pressure: 10, 16 bar
Flow rate: 60 m³/h - 1,103 m³/h

... Check valves protect the pipelines and plants against flow medium back-streaming The flap opens automatically in the flow according to the arrow on the valve housing Body length according ...

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Hawle
disc non-return valve
disc non-return valve
RD40

DN: 15 mm - 100 mm
Pressure: 29.7 bar - 40 bar
Temperature: 300, 250, 200, 100 °C

... The ADCA RD40 all stainless steel disc check valves have a compact design and are specially designed for use with steam and hot condensate. Low pressure drop. Simple and compact design. Overall lengths according to ...

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VALSTEAM ADCA Engineering S.A.
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