... structure and convenient maintenance and overhaul; there are a variety of impellers to be selected. (K-type ... -flow route single vane impeller); the horizontal and vertical dual-use installations, the pit installation or the ... 400mm to 70mmwith discharge dimeter pump type:KWPK40-250,KWPK50-160,KWPK50-200,KWPK65-200,KWPK65-315,KWPK65-400, ... -500KWPK250-630,KWPK300-400 KWPK centrifugal water pump