Check valves

Do you need help making a decision?  Take a look at our buying guide
338 companies | 1,168 products
exhibit your products

& reach your clients in one place, all year round

Exhibit with us
Search
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
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 EPDM-seat gasket ...

See the other products
Kemper Olpe GmbH
poppet check valve
poppet check valve
A0010 series

DN: 0.25, 0.375, 0.5, 0.75, 1 mm
Pressure: 2,500 psi
Temperature: -15 °C - 400 °C

... Spring-loaded, compact, stainless steel check valve. 316 stainless steel Spring-loaded 2 lb. or 10 lb. cracking pressures MNPT x MNPT Usable on metering pumps and injection line applications Suitable for pressures ...

See the other products
JAECO Fluid Systems
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 and the surge ...

ball check valve
ball check valve
RV series

DN: 2 mm - 16 mm
Pressure: 700 bar
Temperature: -40 °C - 80 °C

... Our check valves are available as screw-in or case valve models. Both models are available with the screwing-in direction blocked or with the screwing-in direction open for flow. The basic materials used ...

See the other products
HYTORC-TECHNOLOGIES GMBH
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 FLANGES IRON MATERIALS BODY FIG.500-500A-500AGS-505-505A ...

See the other products
ACMO S.p.A.
backflow check valve
backflow check valve
ARV

... The vacuum controlled check valve (ARV) is a pneumatically operated on-off valve featuring low pressure loss. To activate this valve, vacuum from the intake manifold is supplied by a ...

dual plate check valve
dual plate check valve
71 series

DN: 50 mm - 1,350 mm
Pressure: 0 bar - 10.3 bar
Temperature: 0 °C - 178 °C

... Class 125 Cast Iron Sure CheckValves Size: 2 to 54 in. (50 to 1350mm) Description: Designed for liquids and gases where flow reversal can cause surge and water hammer. Elastomer seats provide bubble-tight shutoff. ...

See the other products
Mueller Steam
ball check valve
ball check valve
FPR series

DN: 0.25 in - 1.5 in
Pressure: 0 bar - 350 bar
Flow rate: 12 l/min - 310 l/min

The FPR series, manufactured by Dicsa, has a body that has been constructed out of steel. It also has a cracking pressure of 0.5 bar.

See the other products
Dicsa
ball check valve
ball check valve

DN: 25 mm - 200 mm

... Ball check valve (PN 10) Lining-Materials: * PTFE (virgin or conductive) Different lining thicknesses and flange designs on request. Other pressure rates: * PN 16 * PN 25 * PN 40 Material: ...

ball check valve
ball check valve
21191

DN: 0.25 in
Pressure: 50, 110 psi
Temperature: 0 °F - 170 °F

... Material: Acetal Copolymer Colors: Blue, Orange, Black, White, Grey Compatibility: Yes: Acetone, Alcohol, Ethyl, Greases, Oils, Commercial Dish Detergents, Gasoline, Lacquer Solvents, Sodium Hydroxide No: Chlorine, Acids, Ammonium Hydroxide, Bases ...

See the other products
LOCKWOOD
dual plate check valve
dual plate check valve
LD 016-ALCK

DN: 25 mm - 1,500 mm
Pressure: 16 bar - 420 bar
Temperature: -196 °C - 550 °C

... Aluminium Bronze Check Valves Valve Body materials: aluminium bronze Valve Manufacturing standards: API, ANSI, BS, DIN, JIS Valve Connection: wafer, lug, flanged ...

See the other products
Pipe Valve Flange Factory Landee
female-female check valve
female-female check valve
100000 series

DN: 10 mm - 100 mm
Pressure: 10, 12, 16, 25, 40 bar
Temperature: -20 °C - 100 °C

... Full bore check valve, F/F threaded. Temperature range: -20°C +100°C ...

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 ...

See the other products
Xiamen Keheng Plastic Co., Ltd.
swing check valve
swing check valve
FJ20 series

DN: 1 in - 28 in

Mercury Products manufactures standard raincaps for heavy duty exhaust system protection and single-bolt installation with designs in 1" to 28" diameters. The precision-balanced vane, welded lid and a lubricated metal bushing are combined into one assembly ...

DIN check valve
DIN check valve
6.65 series

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

... - INOX Material - PVC-U = Unplasticised Polyvinylchloride Gaskets - EPDM Manufacture - Injection moulded Extra informatie - Flow [l/min] at which ∆p is 1 bar, determined according to DIN EN 60534-2-3. ...

shuttle check valve
shuttle check valve
VFC - VFU - VSB - VSE - VUP

DN: 0.125 in - 0.5 in
Pressure: 2 bar - 10 bar
Temperature: -10 °C - 130 °C

... FARBO has a wide range of valves used for the pneumatic circuitry. Besides non-return valves, available both for power circuits that control, also quick exhaust and logical OR type valves. A technical ...

ball check valve
ball check valve
830 series

DN: 0.5 in - 4 in
Temperature: 0 °C - 100 °C

... Brass swing check valve Diameters from DN015 - ½" to DN100 - 4" Threaded F/F (ISO 228/1) NBR seal Minimum opening pressure 0,03 bar TR CU 010 compliant PN10 (PN6 for DN≥65) Free of CE marking (cat. according to Art. ...

See the other products
VIR
lift check valve
lift 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 ...

See the other products
China MED Valve Co., Ltd.
swing check valve
swing check valve

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 Designed to ...

See the other products
wenzhou domos fluid equipment co.,ltd
plastic melt non-return valve
plastic melt non-return valve

... some leakage. This leakage can be avoided with the implementation of the Herzog valve, which is constructed and works on the principle of a non-return valve. These valves can be built into every mold. ...

ball check valve
ball check valve
VN 3000 series

DN: 0.5 in
Pressure: 16 bar
Temperature: 4 °C - 100 °C

... Brass ball valves with incorporated stainless steel filter, check valves, a blend of manometer and darin. Ball valves are multipurpose for the hydraulic system. Valve ...

lift check valve
lift check valve
VS 121

DN: 15 mm - 250 mm
Pressure: 40, 16 bar

... For horizontal position. • With the help of spring, loaded a more watertight and quicker sealing can be obtained. • Drilled and dimensioned flanged according to DIN • Distance between sides according to DIN 3202 F-1. ...

See the other products
Valvulas VS, S.L.
poppet check valve
poppet check valve
277

DN: 10 mm - 50 mm
Pressure: 16 bar
Temperature: 200 °C

... closing thightness acc. EN -12334 compact settlement environment-friendly no maintenance Aplications hot cold and cooling water plants neutral fluids ...

See the other products
VARIMEX-VALVES Poland Sp.z.o.o.
ball check valve
ball check valve
H41F-10S/F

DN: 15 mm - 300 mm
Pressure: 1,000,000 Pa
Temperature: -14 °C - 90 °C

... CPVC Vertical Ball Check Valve Temperature: Ordinary Temperature Function: Nrvr Silence Sealing Form: Gland Packings Globe Valve Flow Direction: Unidirection/Reversing Standard: GB Application: ...

See the other products
Ningbo Baodi Plastic Valve Co., Ltd.
piston check valve
piston check valve
3250.01.NP

DN: 0.125 in - 4 in
Pressure: 0 bar - 255 bar
Temperature: -29 °C - 400 °C

... Check valves, also known as one-way valves, non-return valves, or single-flow valves allow fluid to flow in the direction of the arrow but do not allow fluid to flow ...

exhibit your products

& reach your clients in one place, all year round

Exhibit with us
DirectIndustry RFQ: Free quotation comparison tool
Receive and compare quotations for free
Describe your project
We select
the best suppliers
Compare quotations and complete your purchase