... is China's promotion of energy-efficient pump products. The pump of simple structure, reliable performance, small ... Vortex chamber, foot, flange inlet and outlet flange cast a whole.1.IS, IR pump are based ... and so formed. 2.IS, IR pump the pump and pump cover part is split at the back ... rotor parts, repair. 3 pump housing (ie, pump and pump cover) constitute the studio pump, impeller, shaft and ...