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...
membrane check valve
membrane check valve
G series

Pressure: 31.5 MPa
Temperature: -20 °C - 70 °C
Flow rate: 14 l/min - 600 l/min

... 1-way restrictive valve consists of needle valve and 1-way valve in parallel. It is used to adjust the flow in one way, and reverse back freely. ...

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Ningbo Hoyea Machinery Manufacture
water check valve
water check valve
IC-CV-1001

Pressure: 2,500 Pa
Temperature: 0 °C - 90 °C

... CHECK VALVES Size:Spring Check Valve [Technical Specification] Material Normal brass ; CW617N ;DZR Working Pressure PN25 or 2.5Mpa Seal Rubber Application ...

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Zhejiang Italy Copper Company
swing check valve
swing check valve
M1 series

DN: 15 mm - 100 mm
Pressure: 16 bar
Temperature: 120 °C

... Brass swing check valve Novo • - Brass swing check valve, with brass seat, screwed ends • - Used for water • - BS 21 / ISO 228-1-2000 threads standard • - Max working pressure: ...

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Viet - Tiep Joint Stock Company
membrane check valve
membrane check valve
C1001, CF1001

DN: 40 mm - 900 mm

... HYDRAULIC CHECK VALVE - Same construction as Model C000/CF000. Closes to prevent flow reversal. Adjustable opening & closing speed controls. CONSULT FACTORY for control valve price list for specific options. ...

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Flomatic
water check valve
water check valve
231 series

DN: 0.375 in - 4 in
Pressure: 25, 16, 10 bar
Temperature: -10 °C - 90 °C

... Stainless Steel spring NBR seal Female/Female : ISO 228-1 ...

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Codital
ball check valve
ball check valve
HY

DN: 0.5 mm - 4 mm
Pressure: 16 bar
Temperature: -20 °C - 120 °C

... 1. Adopting fluorine rubber balls, reliable sealing; 2. Equipped with a check spring, there is no requirement for installation direction (except for HY-1ZG); 3. Rich diameter specifications can meet various diameter requirements; 4. ...

piston check valve
piston check valve
VU

DN: 0.125 in - 2 in
Pressure: 2 bar - 10 bar
Temperature: -10 °C - 60 °C

... Series of uni-directional valves from brass hexagonal bar, female threaded. In line mounting they allow the compressed air to flow in one direction only; therefore, they are useful in those applications where no return of the compressed ...

swing check valve
swing check valve
CK

DN: 65 mm - 200 mm
Pressure: 10 bar
Temperature: 0 °C - 60 °C

... EFFAST CK wafer check valve is a non-return valve ideal for limited space installations. Thanks to the design of its disc, EFFAST CK valve can offer a greater opening angle. Technical ...

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Effast
swing check valve
swing check valve
RR

... Round swing check gate to be wall-mounted or flanged, intended to prevent backflow and commonly installed at the end of a line, as a check valve. Carbon or stainless steel fabricated construction, ...

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ORBINOX
ball check valve
ball check valve
FT 260/6

DN: 0.125 in - 1 in
Pressure: 400, 320 bar
Temperature: -20 °C - 100 °C

... In line check valves available from 1/8" to 1" bsp, Max.working pressure 400/320 Bar, oil flow rate up to 160 Lt./min. (depending on the size) ...

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F.lli TOGNELLA
oil check valve
oil check valve
Xl-3

Pressure: 50 bar

... Xl-3 single line oil filling valve provides accurate and fail safe oil dosage, which is not affected by viscosity, temperature or pressure. The new valve body allows a large number of new application possibilities. ...

dual plate check valve
dual plate check valve
CV-122

DN: 40 mm - 1,200 mm
Pressure: 150 bar
Temperature: -20 °C - 120 °C

... A check valve, clack valve, non-return valve or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction. Check ...

sanitary check valve
sanitary check valve

DN: 10 mm - 100 mm
Pressure: 0 MPa - 1 MPa
Temperature: -10 °C - 150 °C

... quick check valves Standard: DIN, SMS, ISO, 3A Sanitary quick check valve material: the material contacting member and AISI304 or AISI316L using Industrial dairy products, beer, food, ...

swing check valve
swing check valve
BT-WCK

DN: 2 in - 8 in

... ASTM-A351-CF8M, ASTM-A351-CF8 Single door check valve, Fl-hook type, Design API-6D/ API-594, Inspection API-598/ ASME-B16.34, Suit flanged for ASME B16.5-150Lbs/ JIS B2238- 10K RF/ ISO-7005-1 ...

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BOLA-TEK Mfg.Co
cryogenic check valve
cryogenic check valve
1500 MAGROS

DN: 6 mm - 100 mm
Pressure: 40 bar
Temperature: -271 °C - 50 °C

... springless Non-Return- Valve - Both available for ambient and cryogenic media tempertures: -- ambient valve from -30° C to + 50° C (243 K to 323 K) -- cryogenic valve from -271° C to -30° C ...

pilote-operated check valve
pilote-operated check valve
POC76 series

Pressure: 3,000 psi

... GROUND HEAT TREATED SPOOL that assures long life. FREE FLOW IN ONE DIRECTION and checked flow in the other (Not a zero leak check). BUILT IN DAMPENING CHAMBER provides smooth action when pilot pressure is applied. HOLES DRILLED ...

ball check valve
ball check valve

DN: 2.375 in - 8.625 in
Pressure: 2,500 psi - 10,000 psi

... Kelly Cock valve is a ball style check valve, it is a piece of drilling equipment used to prevent blowout. Western Drilling Tools has been designing, machining and testing Kelly Cocks for years. The Kelly ...

disc check valve
disc check valve
zCHE 275

DN: 15 mm - 300 mm
Pressure: 16, 40 bar
Temperature: -10 °C - 300 °C

... Working position: Any Features •environment-friendly •no maintanance tests acc. to EN 12266-1 class D • face-to-face dimension according to EN 558 series 49 (DN15 - DN100) ...

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ZETKAMA Sp. z o.o.
ball check valve
ball check valve
16D.I

DN: 0.125, 0.25, 0.375, 0.5 in
Pressure: 0 bar - 0.3 bar
Temperature: -10 °C - 150 °C

... DESCRIPTION Uni-directional valve with exclusive double sealing system: a metal ball against the O-Ring ensures sealing at low pressure; at high pressure, the OR warps, stretches out, and the metal ball ensures sealing directly on the ...

plastic check valve
plastic check valve

DN: 25 mm - 50 mm

... double union non return valve with spring GRPP or PVDF from 1" to 2'' EPDM or FKM o'ring stainless steel or hastelloy spring PN10 ...

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SAFI
piston check valve
piston check valve
CV series

DN: 40 mm - 150 mm
Pressure: 0.5 bar - 17 bar
Temperature: 60 °C

... beyond most other valves. This guide will asist you in the selection of the optimal DOROT Series 500 valve. Remote Control & Check Valves EL - Solenoid Controlled Valve CV ...

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Dorot Control Valves
stainless steel check valve
stainless steel check valve

... on request. Operation: Flow into the inlet of the valve passes through the adjustable orifice and out of the regulated port. Rotation of the adjustment screw varies thevalve opening. The check valve ...

cartridge check valve
cartridge check valve
URZS 25

Pressure: 0 bar - 420 bar

... is a 2/2 way cartridge valve constructed in size 25 framework and can exhibit a maximum pressure of up to 42 MPa with flow rate of up to 400 dm3/min. This valve has a wide array of usage as it can be a pilot-operated ...

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PONAR S.A.
ball check valve
ball check valve
RD-1400

Pressure: 3,000 psi

... the corresponding cylinder port. The pressure on this valve port will shift the pilot spool opening the opposite check valve. This will allow oil to return through the opposite check ...

lift check valve
lift check valve
A30

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 ...

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ARAKO spol. s r.o
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