... /H, Pressure:0-10bar power:250W, 370W, 2ph or 3ph automatic diaphragm dosing pumpsautomatic stroke controller transfer pump pump manufacturerProduct DescriptionFlow ... , 50/60HzDrive System: 2 and 3 phase motor, Anti-explosion motor, Frequency conversion motorProtection Degree: IP55Flow Control: Manual operation, Automatic(receive 4 ...