Hi wayne prior to 2010 you also needed to install a relief valve downstream of all pressure reducing valves.
Fire protection pressure relief valve.
Cla val fire protection products provide highly accurate and reliable service in the most critical of applications.
Our complete line of high performance listed and approved valves are relied upon daily in a variety of businesses in countries all over the world.
When fire pump starts and the set pressure is exceeded the pressure relief valve opens and a portion of the water is diverted through the auxiliary route and the pressure inside the pipeline stops rising.
Our pressure relief valve automatically relieves excess pressure so the fire protection system doesn t overpressure in response to surges and or pumps turning on or off.
The cla val pacific pressure relief valves are designed specifically for fire protection pumping systems and are available in a variety of configurations and end connections.
Relief valve discharge piping from a single fire pump returning water back to the supply source shall be permitted to be combined with fire pump test piping downstream of any control valve.
50 series pressure relief and pump suction control valves used in conjunction with fire pumping systems to relieve excess pressure control pump draw or prevent surge depending on the configuration and pilot controls.
The importance of circulation relief or fire pump casing relief valves fire pumps because the fire pump s performance has a direct impact on the performance of the entire system it is crucial to ensure it is functioning correctly.
Thank for mentioning our agf testandrain valves.
Pressure relief valve prv opens and closes automatically at a pre set pressure to relieve excess pressure so to protect fire pump.
Learn more about zurn water safety solutions for fire valve fire department connections hose valve pilot operated valves acv pressure regulating valves and pressure relief valve in fire protection.
This was cleaned up in the 2010 edition.
One of the issues is code recommend 1 2 valves in one area and 1 4 in another.
50 series pressure relief and pump suction control valves used in conjunction with fire pumping systems to relieve excess pressure control pump draw or prevent surge depending on the configuration and pilot controls.
The discharge piping from multiple relief valves shall not be combined with fire pump test piping.
The cla val pressure relief valves are designed specifically for fire protection pumping systems and are available in a variety of configurations and end connections.
Known for dependability and superior performance cla val fire protection products can be found in nearly any type of facility on or off shore including oil platforms fpsos refineries power plants chemical storage facilities mines tunnels aviation facilities high rise.