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.MODELDPH15DPH20Pump TypeHigh-pressure PumpSuction/Dischcity Port Dia mm(in)40(1.5inches)50 ...