high efficiency non-clogging and back pull-out design gland seal mechanical seal KWP series sewage pump is characterized by high-efficiency, no clogging, rear ... beet, fish, grains and other food the type of KWP pump can handle clear water , all kinds of sewage,waste water ... industries The KWP are from 400mm to 70mmwith discharge dimeter pump type:KWPK40-250,KWPK50-160,KWPK50-200,KWPK65-200,KWPK65 ...