Descriptions: 1.Rated Voltage:110V/230V 2.Lowest Pressure:60PSI 3.Highest Pressure:80PSI 4.Joint Screw:ZG1/4" 5.Pressure Setting:0.8-1.6bar 6.Technical Data: Single Phase Single Phase Single Phase 115V AC 230V AC 230V AC 1.5HP 20A 2.0HP 12A 3.0HP 17A 7.Application:Self-Priming Pump/Jet Pump/Garden Pump/Clarified water Pump Features: According to the pressure changes in the pipe, it can open and close the pumps automatically