... 0-10bar power:250W, 370W, 2ph or 3ph automatic diaphragm dosing pumpsautomatic stroke controller transfer pump pump manufacturerProduct ... DescriptionFlow:0-5000 lphPressure: 0-10BarPower:370W/550W,220V/380V/400V/110, 50/60HzDrive System: 2 and ... , Frequency conversion motorProtection Degree: IP55Flow Control: Manual operation, Automatic(receive 4-20mA signal)Work ConditionEnvironment temperature: -30°C ...