Sprinkler Pressure Relief Valve / Pilot Line Relief Valve FP-3PB-0
The BERMAD model FP-3PB-0 is a direct acting, spring loaded, diaphragm type pilot relief valve.The single port is held closed buy the force of the adjustable spring located above the pressure sensing diaphragm. When the force of the pressure sensed under the diaphragm exceeds the force of the spring the valve will open to relieve pressure and will close tight when pressure falls below the pre-set value. This UL Listed and FM Approved valve is well suited for use in protecting wet pipe Systems, pilot lines and Fusible sprinkler lines from overpressure occurring from temperature fluctuations, pump start up spikes and other.