WP30S gasoline engine sewage pump 1.Inlet&Outlet: 80 (3" ) 2 ... priming performance, small volume, easy to install and use. They are widely used in irrigation and drainage, ... high pressure flushing, etc. --SGP self-suction pump type is nationalization of self-priming centrifugal pumps originating ... liquid respectively for under 80 °C temperature. The pump is suitable for factories, farms, flowers nursery, ...