... petroleum,mining,construction,shipping,ceramics,and food processing and agriculture industries.Such as:conveying sewage,waste oil,mud water,mining waste,waste ... along the pump shell.The cam rotor,driven by gear,rotates synchronously and makes the liquid move.The flow increases when the speed increases,and the outlet ... GMTB-1000-6302600GMTB-1500-6504600GMTB-2000-61005600 Unloading Hydraulic Oil Pump