jinasena pump gana nam danne na habai normal pump(centrifugal pump) self priming newei a kiyanne suction eke hulan eliyata pump karanna ba.eka nisa ekata self priming unit tiyena pump tiyenawa.ewa wathura fill karanne nathuwa use karanna puluwan.nathnam positive displacement pump ekak ganna wenawa ewa self priming.wathura walata nam use karanawa adui oil pumping walata use karanawa me jathiye pump.
