Fire Pump Casing Relief Valve Purpose

55l 60 pressure relief valve pump casing relief valve 55l 60 pressure relief valve pump casing relief valve.

Fire pump casing relief valve purpose.

The bottom plug may be removed and installed in the inlet to convert it to an angle pattern flow path. Shut the drain valve. The model 55l is normally held closed by the force of the compression spring above the diaphragm. Observe if the fire pump starts at the proper pressure.

The fire pump casing relief valve plays a crucial part in the importance of circulation. The cla val model 55l ul listed fm approved pressure relief valve is a direct acting spring loaded diaphragm type relief valve the valve may be installed in any position and will open and close within very close pressure limits. Contact us today to learn more. Casing relief valve is a direct acting spring loaded diaphragm type relief valve.

When the controlling pressure applied under the diaphragm exceeds. This valve needs to be piped into the discharge side of the fire pump but it must be installed before the fire pump check valve. Check packing bearings casing relief valve and general operation. A fire pump is used to supply fire protection systems with pressurized water to ensure the smooth operation of the system s extinguishing devices.

750 series pressure relief valves also are used to relieve excess pressure as well as to maintain constant pressure at the pump discharge. Nfpa 20 compliance for pressure relief valves prv a pressure relief valve is defined by nfpa 20 3 3 67 5 relief valve as a device that allows the diversion of liquid to limit excess pressure in a system in general a prv is a safety device designed to protect a pressurized system during an overpressured event. An overpressured event. Either press the stop button on the fire pump controller or let the minimum run timer time out and observe if the fire pump shuts down.

The 55l 60 is a direct acting spring loaded relief valve that can be installed in any position in a fire sprinkler piping system to prevent pressure build up that could damage the pipeline. Cla val manufactures a complete line of pressure relief valves specially designed for offshore fire protection applications. Complete with hose valves for outdoor use or flow meter main relief valve and waste cone open or closed pressure maintenance pump. Just a simple tap on the relief valve should do the trick.