... motor, Anti-explosion motor,Frequency conversion motorProtection Degree: IP55Flow Control: Manual operation, Automatic (receive 4-20mA signal)Work ConditionEnvitonment temperature: -30 ... : Viton, PVC, SUS304, SUS316Tubing: PE, PVCTechnical ParameterMeasurements Project Case GB-S series Diaphragm Dosing Pump