Flow:0.-470lph Pressure: 0-400 Bar Pump head:SUS304,SUS316 Power:550W or 750W,380V Protection Degree: ... motor, Anti-explosion motor,Frequency conversion motorFlow Control: Manual operation, Automatic(receive 4-20mA signal)Protection degree: IP55Work ConditionEnvitonment temperature: -30 ... ,SUS304,SUS316,Silicon DioxideTechnical ParameterMeasurement Project J-Z series Piston Metering Pump