... :370W/550W,220V/380V/400V/110, 50/60HzDrive System: 2 and 3 phase motor, Anti-explosion motor, Frequency conversion motorProtection ... maintance3.It can transport high-viscosity mediums, corrosive liquid and dangerous chemical goods.4.The flow can be controlled via ... EPDM stretch rubber to cover all of the body.PurposeWidely used in petroleum, chemical industry, electric power, metallurgy, mining, ...