Self-priming centrifugal oil pump is the latest pump product developed after digesting,absorbing and improving relevant technical data at home and abroad.This pumn is suitable for the petroleum industry, an ideal product for land oil depots and tank trucks, and it is suitable for marine cargo pumps,ship bilge pumps,fire pumps,ballast pumps,and machine cooling water circulation,etc.To transport gasoline,kerosene,diesel,diesel,jet fuel and other petroleum products and sea water,clean water respectively, the temperature of the medium is -20℃+80℃, if transporting chemical liquids, it can be changed to corrosion-resistant mechanical seals.