high efficient pumps,small in sizes, of light weight, portable, power saving.easy to fix, to operate and to maintain ... . The series pumps are small in sizes, of light weight, portable, power saving. Besides,they are also easy to fix, to ... ideal facilities in supplying water for high buildings.MODELRDP20X(E)RDP30C(E)RDP30X(E)RDP40X(E)Pump TypeSelf –priming,Centrifugal PumpSuction/Dischcity Port ...