Chopper pump with double-edged cutting bars

摘要: An impeller assembly with an and a cutter bar plate is used in chopper pump system which handles liquid material sometimes entrained large debris stringy matter. The matter present clogging hazards, are reduced by combination of scissoring between sharpened blades shearing fingers, cutting wings fingers. To make the feature more aggressive, edges along two fingers utilized. Preferably, either result machined v-notches on surface or casted part having cupped surface. Generally speaking, comprises attached to rotatable shaft includes back shroud.