WP20H high pressure gasoline pump 1.Inlet&Outlet:50MM(2") 2.Max.Suction: ... the built-in to flow. --SGP series, SGF series pump: high efficiency, good self-priming performance, small volume, easy to install ... , fire control and high pressure flushing, etc. --SGP self-suction pump type is nationalization of self-priming centrifugal pumps originating from the latest ...