Backflow check valves

DN: 150 mm - 1,600 mm
Pressure: 10, 16, 25 bar

ACMO tilting disc check valves are installed in pumping applications to prevent backflow in the system. All interior parts are stainless steel or coated with drinking water approved epoxy. ...

... The 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 ...

DN: 0.5 in
Pressure: 16 bar
Temperature: 4 °C - 100 °C

Brass ball valves with incorporated stainless steel filter, check valves, a blend of manometer and darin. Ball valves are multipurpose for the hydraulic system. Valve ...

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

A check valve, or non return valve, is a valve that prevents the fluid from flowing backwards and ensures that it flows in only one direction. It can be used to prevent ...

DN: 50 mm - 400 mm

... available with this valve. Features 1.The valve disc moves up and down along the midline of the valve body. Under the pressure of the fluid which flows in one direction, the valve ...

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”, ...

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 ...

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 ...