... /H, Pressure:0-10bar power:250W, 370W, 2ph or 3ph automatic diaphragm dosing pumpsautomatic stroke controller transfer pump pump manufacturerProduct DescriptionFlow ... -explosion motor, Frequency conversion motorProtection Degree: IP55Flow Control: Manual operation, Automatic(receive 4-20mA signal)Work ConditionEnvironment temperature: -30°C --- 60 ...