No leakage,maintained conveniently. Flow: 0-150 lph Pressure: 0-200 Bar Product DescriptionFlow: 0-150 lphPressure: 0-200 BarPower: 370W ,550W, 220V / 380V /400V/110V,50Hz / 60HzDrive System: two or three phases, Anti-explosion motor, Frequency conversion motorFlow Control: Manual operation, AutomaticProtection degree: IP55 MaterialPump head: SUS304, SUS316, 304+PTFE, 316+PTFEDiaphragm: PTFEValve ...