... 10bar power:250W, 370W, 2ph or 3ph automatic diaphragm dosing pumpsautomatic stroke controller transfer pump pump ... Frequency conversion motorProtection Degree: IP55Flow Control: Manual operation, Automatic(receive 4-20mA signal)Work ConditionEnvironment temperature: -30° ... baseMeasurement: 40 x 33x52 cmGross Weight: 21.5 kgsMaterialPump head: SUS304, SUS316, PVC, PTEFDiaphragm: PTFEValve: SUS304, ...