Pump pressure control 1.Rated voltage,frequency: 110/250V AC , 50/60Hz 2.Pressure range: 1.0kgf/cm2-3.0kgf/cm2 3.CE, ... 1. For water system.2. Automatic on or off the pump according to the setting pressure.Application:Self-priming pump/Jet pump ... Garden pump/Clarified water pumpFeatures: According to the pressure changes in the pipe, it can open and close the pumps automatically Pressure Control