Measuring precision is better than mechanical diaphragm pump,sealing property is better than piston pump. Product DescriptionFlow: 0-1800 lphPressure: 0-400 BarPower 3.0KW ,4.0KW, 50Hz / 60HzDrive System: 3 phases, Anti-explosion motor,Frequency conversion motorFlow Control: Manual operation, AutomaticProtection degree: IP55ModelFLOW (lph)Pressure (Bar)Plunger (mm)Stroke (mm)Frequency(/min)Power ...