Hale Inlet Relief Valve Assembly 538-1920-10-0

Here we have a Hale Inlet Relief Valve Assembly 538-1920-10-0, SST 2-1/2" NPT. It is a specialized valve used in fire pump systems to regulate the pressure of water being pumped. The relief valve is installed in the discharge line of the fire pump and is made specifically to relieve excess pressure by diverting water flow away from the system.