... Pump Product Introduction:ZX series self-priming pump falls into the category of self-priming centrifugal pump, which has ... application:1. It is applicable for city environment protection, building, fire control , chemical engineering , pharmacy , dyestuff, printing , and dyeing, brewage, ... designation:50 ZX 12.5-5050---suction inlet diameterZX---self-priming pump12.5---Flow(m3/h)50---lift head(m ...