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...
ball check valve
ball check valve
SCV

Pressure: 6 bar

... plastic components, introduces SCV Series check valves for medical devices. These new check valves come in multiple medical grade materials and sizes to meet a diverse ...

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Value Plastics
sanitary check valve
sanitary check valve

DN: 25 mm - 100 mm
Pressure: 10 bar
Temperature: 120 °C

Food Grade Non Return Valve Stainless Steel SS304 Check Valve A check valve is a valve that prevents the fluid from ...

pilot-operated check valve
pilot-operated check valve
JPC

threaded check valve
threaded check valve
JXBA9053

safety non-return valve
safety non-return valve
40002BA

To avoid the backflow of materials up to category 4 into the drinking water installation, the backflow preventer BA (acc. to DIN EN 1717 a “backflow preventer with a controllable middle pression area”) is used as an approved safety device.

piston check valve
piston check valve
4000

DN: 10 mm - 80 mm
Pressure: 40 bar
Temperature: -30 °C - 200 °C

Robust spring-loaded check valve type 4000 from Schubert & Salzer in seat cone design made of stainless steel with high flow rate for aggressive media and high operating temperatures. Size: ...

piston check valve
piston check valve
SIC 0698xxx6K series

DN: 6 mm - 10 mm
Pressure: 1.5, 12.5 bar

Use : welding and cutting Fluid : oxygen, acetylene Quick coupling : function

ball check valve
ball check valve
A24 series

DN: 0.125 in - 0.5 in
Pressure: 1 bar - 10 bar
Temperature: -10 °C - 130 °C

Ease of use : Easy to install Construction : Brass and nickel-plated brass Safety : for ringmains Construction Brass body Highlight Network safety

DIN check valve
DIN check valve
910.11

DN: 0.5 in
Pressure: 0 bar - 400 bar
Temperature: -10 °C - 120 °C

... pressure gauge valves per DIN 16271, the test pivot is sealed by a lens-type sealing ring and a screw cap placed on top; with valves per DIN 16272, the test pivot is separately isolated by an additional ...

vacuum non-return valve
vacuum non-return valve
BNRV series

... release of the manipulated object is required • Prevents suction through the blow-off lines • Reduced feed pressure for full valve opening

steel check valve
steel check valve
3089204

DN: 0.25 in
Pressure: 0 bar - 30 bar

This valve can be set from 0 till 30 BAR. It is used on the lubrication point. Key features: - Pressure: from 0 to 30 bar (adjustable) - Material: galvanized steel - Diameter port. 5 mm Elastomeric-plastic seal ...

ball check valve
ball check valve
00923 series

M/F oil or grease check valve available with different threads.

poppet check valve
poppet check valve

Temperature: -20 °C - 70 °C

For medium flow regulation ■ Robust, durable version ■ Delivery complete with DILO connecting parts ■ Available in DIN 1.0460 und 1.4571 materials

swing check valve
swing check valve
VAC

BALL CHECK VALVES Ball check valves VAP, with EN 12050-4 certification, are designed for use even with soiled liquids to provide full guarantees of operation in heavy-duty ...

ball check valve
ball check valve
VAP 32÷50

BALL CHECK VALVES VAP ball check valves prevent backflow during plant maintenance or stoppages. They are designed for use even with soiled wastewaters to provide full ...

ball check valve
ball check valve
VAP 65÷300

They can be installed horizontal or vertical and do not require any maintenance. All Zenit ball check valves hold certification under the EN 12050-4 standard, appendix ZA.

poppet check valve
poppet check valve

DN: 1 in - 4 in
Pressure: 0 bar - 10 bar
Temperature: 0 °C - 130 °C

These AWH non-return valves are engineered for use in pipe lines, systems and machines in the food and drink industry. Suitable for liquid products, additives and cleaning liquids. These valves prevent ...

high-pressure check valve
high-pressure check valve
VR

Pressure: 450 bar - 4,200 bar
Temperature: -20 °C - 80 °C

... aforesaid valves allow not only to fill, but also to carry out the delivery under pressure with nominal diameters being double compared with the valves that are normally on the market for the pressure ...

swing check valve
swing check valve
FLAP

... prevent the explosion propagating through the pipes that connect the equipment in question to the rest of the plant. The block valve is studied, designed and tested especially to safely partition the production rooms ...

threaded check valve
threaded check valve

swing check valve
swing check valve

... lifting check valve, swing check valve and butterfly check valve three kinds: 1. Lifting check valves ...

water check valve
water check valve
WS series

Clack automatic valves, the best technology of its kind available on the market. The introduction of the first Clack valve to the market at the beginning of this century revolutionized the concept of ...

ball non-return valve
ball non-return valve
8714 series

Retaining valve with embossed directional arrow or printed in black. With conical nozzles. Various uses.

ball check valve
ball check valve
28800 series

DN: 0.125, 0.25 in
Pressure: 0.2, 0.4, 0.7 bar

... applications to prevent line from emptying during wash cycles. - The Ball Check Valve Assembly is for use with standard 1/8” and 1/4” NPT Male threaded nozzles. - The Ball Check Nozzle ...

ball check valve
ball check valve
29800 series

DN: 0.25, 0.125 in
Pressure: 0.4, 0.7 bar

... applications to prevent line from emptying during wash cycles. - The Ball Check Valve Assembly is for use with standard 1/8” and 1/4” NPT Male threaded nozzles. - The Ball Check Nozzle ...

lift check valve
lift check valve
BOA-R series

DN: 15 mm - 350 mm
Pressure: 16 bar
Temperature: -10 °C - 350 °C

Lift check valve to DIN/EN with flanged ends, spring-loaded valve disc, maintenance-free. Benefits Check disc and closing springs made of stainless steel for ...

poppet check valve
poppet check valve
DT series

DN: 0.25 in - 1.25 in
Pressure: 0 psi - 5,000 psi
Temperature: -40 °F - 250 °F

Parker check valves are unidirectional flow control devices used primarily in hydraulic systems to eliminate potential damage caused by fluid back pressure. DT Series Check Valves ...

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Parker Quick Coupling Division
swing check valve
swing check valve
BICV-0 series

DN: 0.25 in - 4 in
Pressure: 400, 125, 175 psi
Temperature: -12 °C - 178 °C

The Series BICV Brass Inline Check Valves are ideal for use with a broad array of service mediums including compatible oils, gases, fuels and hydrocarbons. They incorporate a soft seat for a bubble-tight ...

ball check valve
ball check valve
FR055-000

DN: 4.5 mm - 10 mm
Pressure: 0 bar - 1 bar
Flow rate: 2.2 l/min

... liquids and gases. The Flex Check® Zero Leak has integrated an additional plastic sealing element while maintaining exactly the same dimensions and is completely leak-free. Flex Check® high performance ...

G check valve
G check valve
9CB07 series

DN: 12 mm - 60 mm

NONRETURN VALVE G 1 1/2 FEMALE/FEMALE FOR HOSE Ø40/49 Applications Maintain the vacuum in case of a venturi or pump stopping

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