... .Flow:25-500 lph 2.Pressure: 0-12 Bar 3.Pump head:PVC,PTFE,316 4.Power:370 - 550 W,220V ... -explosion motor,Frequency conversion motorProtection Degree: IP55Flow Control: Manual operation, Automatic (receive 4-20mA signal)Work ConditionEnvitonment temperature: -30°C --- 60 ... , CeramicValve seat: Viton, PVC, SUS304, SUS316Tubing: PE, PVCTechnical ParameterMeasurementsProject Case Dosing Pump