... main drafters of the standard compressor involved in the development) .In drawing on domestic and foreign advanced technology, ... it as vacuum pumps, and compressors,Widely used in petroleum,chemical industry ,chemical fiber ,plastics,rubber,pharmacy ... Exhaust volumeM3/minUltimate vacuum-mpPowerkwPump speedr.pmWorking liquid flow rateL/minNoisedB/(A)Wightkg2BV0600.450.0970.812880262372BV0610.860.0971 ...