Flap valves

DN: 50 mm - 300 mm
Pressure: 10, 16 bar
Temperature: 0 °C - 80 °C

Design Swing-check valve, body and top cover FBE-coated. Face to face EN 558-1 Row 48 Connection Flange DN50 … DN150, PN16 drilled, Flange DN200 … DN300, PN10 drilled. Flanges DN65 – PN16 will be delivered ...

DN: 32 mm - 600 mm

intermediate flange version for preventing backflow available in different seal and body materials areas of application: water, liquids with low fibre content flanges: DIN EN 1092-1 Type ZRK: single-wing design nominal diameters:DN ...

DN: 0.25 in - 2 in

Valves by Velo Acciai include ball valves, butterfly valves, two-way valves for nitrogen and non-return valves. Technical features Sizes of ball ...

DN: 40 mm - 500 mm

Use : Extra flat check valve to be mounting between flanges. Particularly specify for corrosive fluids and for all fluids which the corrosion raises real problems of maintenance and exploitation (operation). Body Shape ...

Pressure: 72 bar

he R2254 is an in-line mounted valve that used to positively lock steering cylinders. This G1/4 valve can also be used when a helm pump is without check valves to prevent the autopilot ...

DN: 6 mm - 40 mm
Pressure: 350 bar
Temperature: -20 °C - 100 °C

SAE J 514 / ISO / DIS11926-1 Female thread Panel mounting kit

DN: 2 in - 12 in
Pressure: 0 bar - 25 bar
Temperature: 0 °C - 180 °C

TECHNICAL INFORMATION1. Wafer check valve (double disk)2. Made of stainless steel CF8M3. Disk made of CF8M4. Axle and spring made of AISI 3165. Seat of viton (FKM) vulcanised in groove6. Assembly between flanges DIN EN ...

Temperature: 5 °C - 100 °C

Check valve allows gas and liquid to flow into only one direction and prevent another countercurrent flow valve. Check valve installs the Dry Pump discharge end, block the sudden pressure ...

DN: 0.125 in - 0.5 in
Pressure: 4 psi - 20 psi

Our IPS Check Valve feature all PTFE wetted surfaces for excellent performance in all high purity applications. Our PTFE design resists chemical corrosion and other elements within a harsh process environments. IPS Check ...

DN: 8 mm - 150 mm
Pressure: 150 psi - 235 psi
Temperature: 70 °F

Hayward's TC True Union Check Valves are available in PVC, CPVC, and PP and seats are FPM or EPDM. They are all put together with lubricant that has no silicone. They feature 1/2 in. to 6 in. are Sure Block layout, seats ...

DN: 15 mm - 150 mm
Temperature: 400 °C

Disc Check Valves are recommended after traps discharging into closed systems to guarantee Non return or no reverse flow. These check valves can be mounted between pipe flanges in any direction. DCVs ...

Pressure: 0 bar - 30 bar
Temperature: 0 °C - 151 °C

... pressure to open the valve i.e. the inlet pressure, generated by the fluid, exceeds the load of the spring aids in shutter lift and the valve is opened. The differential pressure across the valve ...

DN: 250 mm

Design Features:Pump Check Valves are specially designed to protect pumps from water hammer, reverse flow and backspin. DeZURIK can provide custom-designed and engineered PEC or PEF Eccentric Plug Valves ...

DN: 50 mm - 900 mm
Pressure: 0 bar - 420 bar
Temperature: -196 °C - 538 °C

SERIES DAUPHIN check valves are designed with robustness in mind. The double offset technology is particulary popular in the Oil & Gas industry and energy sector, especially for high-pulsed and turbulent régimes. ...

DN: 80, 200, 100, 150 mm
Pressure: 16 bar

BETTA swing check valve-Resilient Seated to AS4794 with lever&weight for drinking water and neutral liquid applications to max. 40℃ Test/Approvals: Hydraulic test according to BS5153/AS4794 Seat: 1.1PN, Body: 1.5PN Standards: Designed ...

DN: 25 mm - 150 mm
Pressure: 10 bar
Temperature: -10 °C - 200 °C

... glass Large optional lining materials Swing Check Valve design available Flange dimensions - DIN EN 558-10 Face to face dimensions - 5 mm lining, Available as Ball Check Valve with Sight ...

DN: 15 mm - 200 mm
Pressure: 0.5, 0.7, 1 bar
Temperature: -20 °C - 100 °C

The SWING CHECK VALVE prevents backflow, thus protecting equipment, such as a pump. Being of an swing arm type, the valve gives little resistance to flow. The SWING CHECK VALVE ...

DN: 1, 1.5, 2, 3 in
Pressure: 10 bar

... through the valve body unhindered. If the flow reverses the PTFE ball falls with gravity back into its seat and prevents backward flow through the non-return valve. Ideal for slurry applications or ...

DN: 2 in - 24 in

... Check Valves are non-slam wafer check connection type, making the valve as efficient, lightweight, compact, low cost operation fluid control device. With independent springs design, it improves the ...

This type of valve is used to avoid backflow in the piping system or the pipeline that could damage downstream apparatus as pumps, compressors, etc. When the fluid has enough pressure, it opens the valve; ...

DN: 15 mm - 150 mm
Pressure: 0 bar - 10 bar
Temperature: -4 °C - 200 °C

Fully lined Ball Check Valves for safe non-return flow control of corrosive process media. Typical installations are in front of pumps, as overflow protection for liquids and in venting applications. Main features • ...

DN: 2 in - 12 in
Pressure: 16 bar
Temperature: -10 °C - 82 °C

... Door Check Valve is a wafered,double door swing type check valve thatallows water flow in one direction only.A hinged clapper remains open with waterflowing in one direction, and automaticallycloses when ...

... pumping plants, it prevents the liquid from flowing back in case the pump is deactivated. The valve is closed by its own weight or by counter force. Check valves should be installed by paying attention ...

Pressure: 300 Pa
Temperature: -20 °C - 80 °C

Description Check valves are destined generally as a security system to avoid that the pressure in the hydraulic circuit can invert the fluid direction, generally oil. For more information on our check valves, ...

DN: 40 mm - 500 mm
Pressure: 0 bar - 16 bar
Flow rate: 9 m³/h - 7,000 m³/h

... returns. Ball check valves are available with flanges and internal threads. This type of valve is automatically opened and closed by the force generated by the flow of the medium itself in the pipeline. ...