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...
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poppet check valve
poppet check valve
RUF3

DN: 25 mm - 100 mm
Pressure: 10 bar
Temperature: 140, 135 °C

... A non-return valve is used in places where return flow of product in pipelines must be avoided. The valve opens by pressure of the liquid against the spring-loaded valve ...

disc check valve
disc check valve
VPN

DN: 25 mm - 100 mm

... VPN check valve is used in places at which the reflux of liquids into the pipeline must be prevented. The valve opens through the pressure of the liquid against the spring-loaded ...

throttle check valve
throttle check valve
Z2FS6-2-4X/1QV

DN: 6 mm
Pressure: 0 bar - 350 bar
Temperature: -20 °C - 80 °C

Industrial hydraulic valve in a high performance range. Reliable throttling of the flow to setting value. Fine adjustment Setscrew with lock nut Connection diagram - ISO 4401-03-02-0-05 Spool symbol ...

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Bosch Rexroth - Industrial Hydraulics
disc check valve
disc check valve
F series

Pressure: 400 bar
Temperature: -40 °C - 80 °C
Flow rate: 100 l/min - 7,000 l/min

The check valve and pre-fill valve type F is a spring-loaded disk valve and has zero leakage in the closed state. The valve is attached ...

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HAWE Hydraulik SE
ball check valve
ball check valve
E series

Pressure: 500, 400, 700 bar
Temperature: -40 °C - 80 °C
Flow rate: 6 l/min - 120 l/min

The check valve type ER can be plugged in. The spring-loaded ball check valve type ER is very robust and insensitive to soiling. Type ER can be integrated ...

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HAWE Hydraulik SE
ball check valve
ball check valve
R series

DN: 1.3 mm - 54.9 mm
Pressure: 420, 500, 700 bar
Temperature: -40 °C - 80 °C

The check valve type RK and RB can be screwed in. The spring-loaded ball check valve type RK and RB is very robust and insensitive to soiling. The ...

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HAWE Hydraulik SE
poppet check valve
poppet check valve
MCV-1

Pressure: 21 bar
Temperature: 32 °F - 230 °F
Flow rate: 325, 180 l/min

Check Valve, #10-32 Ports Notes Not intended for pressure relief. Arrow on valve body indicates direction of flow. Additional Information Air Flow 6.5 scfm @ 50 psig; 11.5 scfm @ 100 ...

metal housing check valve
metal housing check valve
C series

DN: 5.5 mm - 8 mm
Pressure: 0 bar - 280 bar
Temperature: -40 °C - 149 °C

... variations offer unparalleled design flexibility. This threadless, cartridge-style, one-way valve offers higher flow capacity over our standard 558 Series valve. This valve features ...

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THE LEE COMPANY
plastic housing check valve
plastic housing check valve
C series

DN: 2.5 mm - 8 mm
Pressure: 0 bar - 6 bar
Temperature: 0 °C - 149 °C

... Press-In Check Valve fits into many common plastic fittings. Lastly, our new 855 LC2 Series Press-In Check Valve offers more than a 65% increase in flow capacity over ...

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THE LEE COMPANY
throttle check valve
throttle check valve
CORM55 series

DN: 5.5 mm
Pressure: 0 bar - 280 bar
Temperature: -40 °C - 149 °C

Insert style restrictor check valves are comprised of a precision flow orifice in series with a check valve, combined into a single component. Our insert style valves ...

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THE LEE COMPANY
swing check valve
swing check valve
FSDFSCWV1

Pressure: 0 psi - 505 psi
Temperature: -58 °F - 185 °F

The fuel swing check valve is an inline, swing flapper check valve that has many uses; one of which is to prevent reverse fuel flow from the ejector pumps to the engine ...

disc check valve
disc check valve
SDCV series

DN: 50 mm - 350 mm
Pressure: 40 bar

Split disc check valve Like the DCV, the Spirax Sarco SDCV provides a compactinstallation. The design of the SDCV resolves the size andpressure drop limitations of other check valve ...

ball check valve
ball check valve
6916-08

Pressure: 700 bar

Check valve, hydraulically pilot operated max. operating pressure 700 bar. Design: Housing made of steel, surface galvanized. Spring-loaded ball acting as a valve ...

disc check valve
disc check valve
62B

DN: 25.4 mm - 101.6 mm

Valves / Check Valves The 62B Air Blow Check Valves are "plug-style," where air pressure pushes the bonded rubber plug away from the seat. FEATURES In ...

disc check valve
disc check valve
W45

DN: 25.4 mm - 101.6 mm
Pressure: 1 psi - 5.9 psi

Valves / Check Valves Stops or check reverse flow in a pipeline. FEATURES W45 Series In the absence of forward flow pressure, the electropolished spring ...

disc check valve
disc check valve
YCV-1

DN: 0.25 in - 2 in
Pressure: 600 bar

Body - SUS316 orSUS304 Cap - SUS316 or SUS304 Disc Bonnet - SUS316 or SUS304 Spring - SUP 3 Thrust Washer - SUS316 or SUS304 Boit - SUS304 Disc - Teflon Gasket - Teflon

swing check valve
swing check valve
FROF/A316

DN: 32 mm - 400 mm
Pressure: 5, 8, 10 bar

The FR type swing check valve is designed to be directly installed between stubs and flanges according to ISO/DIN or ANSI 150 standards.

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FIP - Formatura Iniezione Polimeri
swing check valve
swing check valve
FROV/C4

DN: 32 mm - 400 mm
Pressure: 5, 6, 10 bar

The FR type swing check valve is designed to be directly installed between stubs and flanges according to ISO/DIN or ANSI 150 standards.

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FIP - Formatura Iniezione Polimeri
ball check valve
ball check valve
SSEAC series

DN: 15 mm - 50 mm
Pressure: 16 bar
Temperature: 0 °C - 100 °C

Easyfit spring check valve with female ends for solvent welding, ASTM series. A316 spring. The SSE Easyfit check valve with spring ...

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FIP - Formatura Iniezione Polimeri
pilote-operated check valve
pilote-operated check valve
C2.9511

DN: 0.25 in - 0.5 in
Pressure: 500 bar
Flow rate: 15, 55 l/min

C2.9511 Pilot-operated check valves C2.9511 Pilot-operated check valves without/with pre-release pipe-thread type max. operating pressure 500 bar connections: ...

pilot-operated check valve
pilot-operated check valve
C2.9512

DN: 5 mm - 9 mm
Pressure: 500 bar
Flow rate: 20, 50 l/min

C2.9512 Pilot-operated check valves C2.9512 Pilot-operated check valves without/with pre-release manifold-mounting type max. operating pressure 500 bar connecting ...

ball check valve
ball check valve
21OC series

DN: 2.7 mm - 14.3 mm
Pressure: 1,550 bar
Temperature: -20 °C - 200 °C

The O-Ring check valves are suitable for applications that require non-leakage sealing. It can be operated within the pressure of 1, 500 bar and is used for stopping the directional liquid and gas flow. ...

poppet check valve
poppet check valve

Pressure: 1.5 bar
Temperature: -4 °F - 392 °F

The Pipe O-ring check valves offer optimized directional flow regulation and bubble shut off specifically for liquids and gasses. Not used as relief devices, these check valves ...

membrane check valve
membrane check valve
VRNR

Pressure: 2 bar - 8 bar
Temperature: -20 °C - 80 °C

This valve allows the transit of the air only in one way, the valve stops it in the opposite way. They are available with male or female thread, in several dimensions.

threaded non-return valve
threaded non-return valve
ULTRA 10

DN: 0.5 in
Pressure: 0 bar - 16 bar
Temperature: -20 °C - 70 °C

... non-return valves for reliable protection against dangerous reverse gas flow. Flow-optimised valve system causes very low pressure drop at minimal noise emission. Every non-return valve ...

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WITT-Gasetechnik
threaded non-return valve
threaded non-return valve
ULTRA 20

DN: 0.5, 1, 0.75 in
Pressure: 0 bar - 16 bar
Temperature: -20 °C - 70 °C

... non-return valves for reliable protection against dangerous reverse gas flow. Flow-optimised valve system causes very low pressure drop at minimal noise emission. Every non-return valve ...

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WITT-Gasetechnik
threaded non-return valve
threaded non-return valve
ULTRA 30

DN: 1.5 in
Pressure: 0 bar - 16 bar
Temperature: -20 °C - 70 °C

... non-return valves for reliable protection against dangerous reverse gas flow. Flow-optimised valve system causes very low pressure drop at minimal noise emission. Every non-return valve ...

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WITT-Gasetechnik
disc check valve
disc check valve
F2804404 series

DN: 0.062, 0.125 in
Pressure: 0 psi - 75 psi

Check valves will prevent flow in one direction and facilitate flow in the opposite direction. Check valves are sometimes called non-return valves. Normally ...

ball check valve
ball check valve
F28044051S5

DN: 0.125 in
Pressure: 0 psi - 125 psi

Check valves will prevent flow in one direction and facilitate flow in the opposite direction. Check valves are sometimes called non-return valves. Normally ...

stainless steel check valve
stainless steel check valve
5475

DN: 6, 12, 10 mm
Pressure: 206 bar
Temperature: -20 °C - 190 °C

NO RETURN VALVE FOR TWIN FERRULE FITTING - STAINLESS STEEL 316 Inox 316

swing check valve
swing check valve
58713

DN: 8 mm - 100 mm
Pressure: 63 bar
Temperature: 0 °C - 180 °C

SPRING LOADED 3 PIECES CHECK VALVE - FEMALE / FEMALE BSP OR NPT - STAINLESS STEEL 316

threaded check valve
threaded check valve
62413

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

CHECK VALVE PLAIN END / MALE END - NBR GASKETS - STAINLESS STEEL 316L JOINTS NBR

NPT check valve
NPT check valve
CV series

DN: 0.25 in - 2 in
Pressure: 0 bar - 15.9 bar
Temperature: -18 °C - 93 °C

... high-quality Check Valves are specially manufactured in the U.S.A. by ANVER, for ANVER lifting systems. Versatile, one-way Check Valves work with nearly all of ANVER’s ...

fall prevention non-return valve
fall prevention non-return valve
ECV series

Pressure: -100,000 Pa - 700,000 Pa
Temperature: 0 °C - 60 °C

Minimize the pressure drop of other circuit when a workpiece falls down. Fall prevention valve prevents the properly picked up work-piece from falling, even when several vacuum pads are without work-piece, causing ...

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 ...

swing check valve
swing check valve
Valvola Clapet

Closing clapet valve for industrial system of centralized suction. The air pipe coupling is possibile trough a standard union (both not included). The valve body present on the bottom an internal thread ...

high-pressure check valve
high-pressure check valve
HPCV series

Pressure: 0 psi - 10,000 psi

Series HPCV is a High Pressure, One-Piece Body, Zero Leak, Check Valve for High Pressure and Severe Service applications. The unique design features a fully retained encapsulated O-ring seal with metal ...

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
DV360

DN: 10 mm - 100 mm
Pressure: 0.2 bar

With spring or without spring • PVC, PVC-C, PP and PVDF materials • EPDM gaskets, FPM • Gluing, solder socket, threaded connections, DIN or ANSI flanges Advantage • Absolutely hermetic at low ...

compressed air check valve
compressed air check valve
ipso 048

DN: 4, 12, 6, 8, 10 mm
Pressure: 2 bar - 10 bar
Temperature: -10 °C - 70 °C

... unidirectional connection, non-return valves, slide valve, quick exhaust valve Flow regulators 041, 042, 043 Unidirectional flow regulator (block shaped) Valves in ...

compressed air check valve
compressed air check valve
ipso 049

DN: 4, 12, 6, 8, 10 mm
Pressure: 2 bar - 10 bar
Temperature: -10 °C - 70 °C

... unidirectional connection, non-return valves, slide valve, quick exhaust valve Flow regulators 041, 042, 043 Unidirectional flow regulator (block shaped) Valves in ...

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