Flap valves

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. ...

DN: 0.75 in
Pressure: 250 bar
Temperature: -54 °C - 204 °C

A screw-in，Cartridge-style，hydraulic check valve for blocking or load-holding device. Operation CV08-P0 allows flow from ① to ②, and blocks flow in the opposite direction. The cartridge has a fully guided poppet ...

DN: 0.5 in
Pressure: 210 bar
Temperature: -20 °C - 90 °C

Hyva Check Valve with a max. working pressure of 210 bar, Nominal flow of 35 L/min. This Check Valve is made from aluminium and the temperature range is -20 / + 90.

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 ...

DN: 2 in - 8 in
Pressure: 8.6 bar - 155 bar
Temperature: -29 °C - 815 °C

Swing check valve, Bolted cover Renewable disc and seat (in S.S. construction, integral seat non renewable) STANDARDS PED Quality Standard MSS SP 55 All wetted component materials meet NACE MR0175 / ISO15156 & NACE ...

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 ...

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 ...

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 ...

DN: 0.5 in - 42 in

... Bidegain we manufacture non-return valves, also known as a check valves, from the complete kit to the independent components, always ensuring the highest levels of quality and optimal performance. We ...

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 ...

... 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 solenoid ...

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

Class 125 Cast Iron Sure Check™ Valves 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.

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.

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: ...

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 ...

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

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