hich is reliable and has a long service life.
SZ type fiberglass self priming pump has good self priming performance. The pump body is equipped with a liquid suction chamber, liquid storage chamber, liquid back check valve and reflux hole. Before the pump works, keep a quantitative liquid in the pump body and exhaust the air in the pipe and then the pump can transfer the liquids. The pump works without foot valve and simplified the pipeline.
SZ type fiberglass self priming pump is widely used to