Vacuum Pump Output Power 4 hp Phase Three Voltage 575V AC Maximum Flow Rate 56 cfm Maximum Vacuum 26.4 in Hg Inlet Size 3/8 in Inlet Type NPT Inlet Gender Female Outlet Size 1 in Outlet Type NPT Outlet Gender Female Application Lifting Paper Converting Printing Vacuum Chucking Woodworking Maximum Discharge Pressure 26.4 in Hg Maximum Operating Pressure 15 psi