Solenoid pump the diaphragm made of pure solid PTFE ,the diaphragm is conpatible with most chemicals.Flow rate from 1 to 110 L/H; max pressure up to 20 bar. Motor characteristics :power supply 110V- 220V -50/60 HZ-single phase; PROTECTION class IP65 

BV series is a mechanical diaphragm metering pump with spring return.Flow rate from 10 to 220 L/H; max pressure up to 5 bar. Motor characteristics :power supply 380V 50HZ-3 phase ; 220V -50HZ-single phase; PROTECTION class IP55 ,insulation:F

BFD and BFM is diaphragm metering pump, BFH is pistion pump,Flow rate from 10 to 2000 L/H; max pressure up to 5 bar. Motor characteristics :power supply 380V 50HZ-3 phase ; 220V -50HZ-single phase; PROTECTION class IP55 ,insulation:F