BPZ series strengthen pump whether one kind suck the centrifugal pump by oneself. This pump has special structure , put inside and flow outwards. Electrical machinery its have and associative directly pump this. Pump this put and flow outwards in being high-efficient. Electrical machinery its have and associative directly pump this. Pump this high-efficient, suck performance good , small , apt to install and use by oneself, using it in field irrigation extensively, drain off water, sprinkling irrigation , manage and practise it with the stone material adding type building site. In addition pump this suitable for water supply of factories and mines especially, urban drinking water, fire control and high pressure are washed etc..