Fire protection check valves

DN: 50 mm - 300 mm
Pressure: 10 bar
Temperature: -30 °C - 180 °C

Sandwich construction for installation between flanges PN 10 (other pressure stages on request) Materials Body and plate PTFE/coal Sealing FEP-coated O-ring Product advantages Low weight Mounting position horizontal and vertical ...

DN: 2.5 in - 12 in
Pressure: 12.1 bar

... prevent backflow. The check valve is recommended for automatic fire sprinkler systems and is UL/ULC listed and FM approved. The cast iron check valve ...

DN: 0.5 in - 1.25 in

DUCLF4N Lead Free*, Dual Check Valve, Inline Bronze Body; Domestic & Fire Protection Applications; NPS, Swivel, Meter Connection Options. 1/2" - 1 1/4"

DN: 50 mm - 1,000 mm

Use : Check valve intended for networks for clean water distribution, filtration system, fire protection networks, irrigation. It ensures the protection ...

DN: 0.5 in - 12 in
Pressure: 150 psi

SIZE: 1/2＂～2＂ JOINT END TYPE 1: SOCKET (ANSI /DIN / JIS/ CNS) JOINT END TYPE 2: THREADED (PT/NPT/BSPF) CHECK VALVE TYPE: BALL/HALF BALL WORKING PRESSURE: 150PSI

DN: 200, 150, 100, 250 mm
Pressure: 16, 12 bar

... sprinklers. This valve is divided into two sides by a valve flap. The above side is connected with system pipeline ant the underside is connected with water supply. Type - Approvals Wet Alarm ...

Such safety valve is particularly used on combined gas torches where a flame return might be possible. This specific model has to be placed on the gas flexible hose at about 1,5 mt from the torch handle in order to avoid ...

Pressure: 250 psi

The Series 2100 Hydrant Security Check Valve is the solution to securing all makes and models of fire hydrants in your system against. The check ...

DN: 200, 150, 100, 80 mm
Pressure: 17.5 bar

HD Alarm Valve acts as a check valve by trapping pressurized water above the clapper and preventing reverse flow from sprinkler piping. It is used to actuate a fire alarm ...

DN: 65 mm - 200 mm
Pressure: 20.7 bar

... public water supplies. The AV-1-300 Alarm Check Valve Trim includes pressure gauges to monitor system pressure conditions, a bypass check valve, a main drain valve, ...