Fire pressure opening is a fire control switch that converts the pressure change of water pressure into electrical signal output. It is one of the most important components in various automatic sprinkler systems; it is often used in conjunction with wet alarm valves, deluge valves, top functions, etc., to transmit alarm action signals, and switch with the fire pump control box. Fire Pump. The fire pressure switch is installed in the alarm line of the wet alarm valve group or the pipe network test of the top action system
