Backflow check valves

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 ...

DN: 1.25 in - 3.5 in
Pressure: 10,000, 5,000, 3,000, 2,000, 15,000 psi

... H Back Pressure Valve (BPV) is a one way check valve, also known as a non return valve or NRV, which is used to safely seal tubing during installation ...

DN: 15 mm - 200 mm
Pressure: 16, 25, 40, 64, 100 bar
Temperature: -20 °C - 200 °C

... standards. The most striking feature of disc type check valves is that they provide an optimum solution when flanges with larger nominal widths are necessary or more convenient. CV20 type disc check ...

DN: 15 mm - 200 mm
Pressure: 10, 16, 40 bar
Temperature: -200 °C - 500 °C

... to DN200 with precision lapped metal-to-metal seating providing tight shut-off. • Ideally suited to be used as a backflow prevention valve in water/wastewater treatment,marine,HVAC and other general ...

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 ...

DN: 50 mm - 250 mm
Pressure: 10, 16 bar
Temperature: 10 °C - 90 °C

NOREPOL EA check valve Protect a drinking water network against any risk of pollution due to a possible backflow of contaminated fluid. This return may be caused by a pressure drop in ...

DN: 65, 80, 100, 150 mm
Pressure: 0 bar - 10 bar
Temperature: 0 °C - 65 °C

... They consist of 2 spring check valves and a chamber situated between the spring check valves that contain a security valve, which in the event of “backflow”, ...

DN: 8 mm - 50 mm
Pressure: 0 psi - 230 psi
Temperature: 0 °C - 100 °C

Cartridge Check Valves Cartridge check valves (also called non-return valves) are designed for simple installation and offer outstanding performance ...

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 ...

DN: 50 mm - 1,500 mm
Pressure: 270 psi - 4,730 psi
Temperature: 196 °C - 593 °C

Swing check valve Product Switch valve Product description Swing check valve Model H44H/X Size 2”～60”(50mm～1500mm) Operating ...

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 ...