centrifugal pump with 2 impellers domestice pump with high pressure also can for industrial applications 2cp series centrifugal pumpsingle stage pump with two impellers back to back,can make the pumps gain more energy!For water supply from well and reservoirssuitable for both domestic and industrial applications Motor:single-phase,220V/50hz,110v/60hzthree-phase,380v/50hz ModelPowerVolt(V)Freq(Hz) ...