... power, energy saving 3. Low noise, high efficiency 4. Speed reducer Rare Earth Permanent-magnet Synchronous Reducer for Transmission of Metering PumpUse NdFeB ... vibration, large power, energy saving, low noise, high efficiency etc. Rare Earth Permanent Magnet Synchronous Reducer TypeSpeed ratioFreqOutput SpeedPowerCurrVoltOutput TorqueiHzr/minKWAVN·mBLD11 ...