ZB, ZBD self-priming pump is divided into single phase and three -phase asynchronous types with built-in protection device. The pump is divided into centrifugal impeller and worm casing structures with self-priming function. Single-face mechanic sealing is mounted between pump and motor. "O" shaped oil-proof rubber sealing ring is used at each stationary port as static sealing.

Main Application:
This pump series is a new type of ideal economical pump, widely used in pumping water, increasing water pressure, garden irrigation, water supply for vegetable green houses, industrial mining enterprises and aquatic breeding fields etc.