A self-priming peripheral pump usually consists of three parts: a water pump, a seal, and an electric motor. The electric pump is equipped with a protective device, and the electric motor is located at the top of the electric pump and is a single-phase or three-phase asynchronous motor; The water pump is located at the lower part of the motor and is a centrifugal impeller with a volute structure; Double end mechanical seals are used between the water pump and the electric motor, and "O" - type oil resistant rubber seals are used for static sealing at each fixed stop seal.
