JSWmN series jet electric pump is mainly composed of three parts: motor, water pump and seal. The motor is an asynchronous motor. The water pump adopts the structure of centrifugal impeller, radial guide vane and integrated injector, which has the characteristics of short axial dimension and strong self-priming ability. The water pump and motor are equipped with single-end mechanical seals, and the water retaining ring on the shaft serves as an auxiliary water retaining function, and the "0"-shaped rubber sealing ring is used as a static seal at the fixed seam seal. The electric pump is small in size, light in weight, compact in structure, simple and convenient in installation. It is an ideal domestic electric pump with high eficiency and energy saving, hygiene and safety, and is widely used in agricultural irrigation, sprinkler irrigation, garden spray irrigation, vegetable greenhouse water supply and farming water supply and drainage, as well as well water lifting, tap water pressurisation and other household water occasions.