Material: Cast iron, Stainless steel
Size: 1-1/2” ~10” , DN32mm~DN250mm
Flow Rate (Q) 3.2 - 280 (m3/h)
Lift Head (H) 20 - 80 (m)
Self-priming pump working principle is: the pump before you start in the pump shell filled with water or it’s already fill with water inside the pump housing. Start after high-speed rotating impeller flow to the vortex in the impeller, shell, then the entry form the vacuum, the inlet non-return door open, within the air into the pump suction tube and the impeller, to arrive at the outer edge. Self-priming pump is a self-priming centrifugal pump, it has compact structure, convenient operation, stable operation, easy maintenance, high efficiency, long service life, and have strong self-priming capacity, etc. Line does not need to install the bottom valve, only to ensure storage in pump body before work are quantitative liquid. Different liquid can use different material self-priming pump.