DHJ series self - priming pump is a compact water supply pump, it is suitable for household water drawing, well water lifting, pipe pressurization, agricultural irrigation, vegetable greenhouse watering, garden watering and breeding, etc; and this series of pumps is light in weight and suitable for frequently moving occasions; transport medium is liquid with normal temperature, clean, non-corrosive, without solid particles or fibers, PH value is between 6.5-8.5, the water pump inlet&outlet casing and impeller are made of stainless steel.