... pumps,small in sizes, of light weight, portable, power saving.easy to fix, to operate and ... series pumps are small in sizes, of light weight, portable, power saving. Besides,they are also easy to ... There is special mechanical seal fixed in the pump to prevent it against air and water leaking ... .MODELRDP20X(E)RDP30C(E)RDP30X(E)RDP40X(E)Pump TypeSelf –priming,Centrifugal PumpSuction/Dischcity Port Dia mm ...