The pump is a new type of high-power pumping long stainless steel multi-purpose water circulation pumps, circulating water inside and outside the machine design can be five head while pumping, with no oil, no pollution, high power, low noise, easy and flexible, festival water saving, etc., a multi-purpose machine. (1) a single-table multi-barrel machine operations, with five pumping head. Can be used alone or in parallel. (2) corrosion-resistant, and corrosion of stainless steel shell two shells, low noise and long life. (3) the host body, impeller watershed