Spring check valves

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Spring check valves | How to choose the right check valve
There are different types of check valves, the most common being swing, ball and disc valves. Gate check valves These are the most commonly used non-return valves. They have a spring or counterweight, which is responsible for closing them quickly. They are suitable for vertical and horizontal installations, as well as high flow rates and low pressures. They are used in toilet flushing systems, sewers and water pumping systems. They are...
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 ...

disc check valve
disc check valve
72700 series

DN: 25 mm - 100 mm
Pressure: 10 bar
Temperature: -10 °C - 140 °C

... and oil production. The check valve opens when the pressure of the fluid exceeds the pressure exerted by the spring. When the two pressures are compensated, the valve ...

swing check valve
swing check valve
ZR07

DN: 32 mm
Pressure: 0 bar - 5 bar
Temperature: 0 °C - 60 °C

swing check valve with spring DN32 PN 10/16 DIN EN 1092-1 Form B plastic PVC-U seal EPDM for liquid and gaseous media tightness acc. to DIN EN 12266: - leak rate A installation position: ...

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NieRuf Gmbh
disc check valve
disc check valve
BV36

DN: 15 mm - 300 mm

• disco wafer check valvespring loaded execution • flange connections according PN10/16/40 and A-150/A-300 on request • face to face dimension according DIN EN 558-1 • easy to install ...

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Belven nv
ball check valve
ball check valve
100000 series

DN: 10 mm - 100 mm
Pressure: 12, 16, 25, 40, 10 bar
Temperature: -10 °C - 150 °C

Full bore check valve, F/F threaded, Viton® seat suitable for application with not halogenated hydrocarbons and fuels (gasolines, kerosene...).

disc check valve
disc check valve
FFC

DN: 18 in - 56 in
Temperature: 780 °C

The fluidised catalytic cracking (FCC) air blower line check valves are used to prevent the backflow of catalyst from the regenerator. IMI Remosa’s check valves guarantee ...

poppet check valve
poppet check valve
5R

DN: 3 mm - 8 mm
Pressure: 0.1 bar - 6 bar
Temperature: -40 °C - 180 °C

Check valves are used to prevent media from flowing back in systems or to protect equipment against media blow-back. The three types (with spring, without spring and ...

dual plate check valve
dual plate check valve
CV10

DN: 50 mm - 400 mm
Pressure: 16, 25, 40, 64, 100 bar
Temperature: -20 °C - 200 °C

... CV10 Series spring double check valve design is manufactured to withstand high operating pressures. The discs are opened 85 ° to provide positive closing. Sealing materials can be changed ...

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FLAPCON VALVES AND AUTOMATION SYSTEMS CO LTD
disc check valve
disc check valve
Basic-Check®

DN: 0.25 in - 2.5 in
Pressure: 0 psi - 6,000 psi

... Basic-Check® Valve is a versatile all-purpose, non-slam valve that provides reliable, low-maintenance service for a wide range of liquids, steam and gases at various pressure/temperature ...

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DFT Inc.
piston check valve
piston check valve
CV series

DN: 0.25 in - 1 in
Pressure: 0 psi - 30,000 psi
Temperature: 0 °C - 49 °C

The NuQuip® Model CV Series Check Valve is an in-line, piston style valve offering a zero leak design for applications requiring working pressures up to 30,000 psi (2,068 bar). The check ...

poppet check valve
poppet check valve
580 series

Temperature: 0 °F - 250 °F

... Series Silent Wafer Check Valve has a spring-loaded poppet that allows the valve to close before flow reversal occurs, resulting in a silent, non-slam closure. It is ...

disc check valve
disc check valve
B6 40

DN: 40 mm - 250 mm
Pressure: 16 bar
Temperature: -10 °C - 80 °C

... minimum differential pressure of 3 mWC CHARACTERISTICS Anticipated closing thanks to the spring action minimize the intensity of the check valve shock. Hydraulically profiled ...

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Belgicast
piston check valve
piston check valve

DN: 0.375 in - 2 in

... WOG spring Type Threaded Ends Comply with ANSI B2.1 3/8" - 2" Solder Ends Comply with ANSI B16.18 1/2" - 2" Valves are Tested in Accordance w/MSS-SP-82 Sizes 3/8" - 2" We also have lead free ball ...

cryogenic check valve
cryogenic check valve
05411

DN: 10, 20, 32, 40, 50 mm
Pressure: 50 bar
Temperature: -196 °C - 120 °C

The Type 05411 of cryogenic check valves from Herose has spring and bronze body and cap. The device is cleaned and degreased for oxygen service. It is also equipped with a male thread ...

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HEROSE
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 ...

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Zhejiang Italy Copper Company
poppet check valve
poppet check valve

Pressure: 414 bar
Temperature: -184 °C - 232 °C

... specialty valves handle a wide variety of applications. Features and Benefits: Flexible Seal Seat™ for zero leak (bubble-tight) sealing to 6000 PSI O-Ring seal positively secured Non-pressurized ...

disc check valve
disc check valve

Pressure: 450 psi

... air compressor in-tank check valves. One-piece brass bodies, stainless steel springs, and glass-filled fluoropolymer poppets all add up to long term reliability, while the eight discharge ...

disc check valve
disc check valve
05

DN: 50 mm - 250 mm
Pressure: 16, 10 bar
Temperature: -10 °C - 150 °C

The valves in Series 05 are check valves with cast iron bodies, that are manufactured in accordance with the most severe product norms, and in conformity with the quality requirements ...

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Brandoni
piston check valve
piston check valve
VFU

Pressure: 2 bar - 8 bar
Temperature: -20 °C - 200 °C

Non-return valves series Areas of application : compressed air Technical features : - working pressure : 2 ÷ 8 bar - opening pressure : 0.5 bar - working temperature : -15°C ÷ 200°C Materials : - body in ...

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SENGA
poppet check valve
poppet check valve
MCV-08-P series

Pressure: 250 bar
Temperature: -40 °C - 120 °C
Flow rate: 20 l/min

... · Industry common cavity · Compact size · Low leakage design Operation Pressure at ① overcomes the spring-bias poppet and allows free flow ① to ②.Flow in the opposite direction,from ② to ...

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Wenzhou Meric Hydraulic Technology Co.,Ltd
disc check valve
disc check valve

DN: 50 mm - 900 mm
Pressure: 150 bar - 2,500 bar

Dual Disc Lug Type Check Valve Body Material: Cast Iron, Ductile Iron, Cast Steel, Stainless Steel, Aluminium Bronze Disc: Ductile Iron, Stainless Steel, Aluminium Bronze Spring: ...

shuttle check valve
shuttle check valve
M530 304 010 000

DN: 10 mm
Pressure: 350 bar

Spring loaded shuttle valve Connecting port: DN10 The spring positions the cone in a defined Position

female check valve
female check valve
6015

DN: 8 mm - 50 mm
Pressure: 63 bar
Temperature: -20 °C - 200 °C

3-pcs. investment cast check valve in stainless steel with spring. Mounting in all directions. FDA

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Dansk Ventil Center A/S
piston check valve
piston check valve
119, 120 series

Pressure: 34.5 bar
Temperature: -29 °C - 93 °C

The function of a Check Valve is to allow fluid flow in one direction only. Applications Henry Technologies' Check Valves are suitable for use with HCFC and HFC refrigerants ...

disc check valve
disc check valve

DN: 15 mm - 1,000 mm
Pressure: 10 bar - 40 bar
Temperature: -40 °C - 180 °C

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