... pump. Its main components include: pump body, pump cover, impeller, shaft, bracket, and coupling, etc. Its structure includes two kinds: front opening ... seal or double-end mechanical seal. Drive: Pump uses jaw coupling, which is driven by prime mover. Looking at the pump ... complete set1. pump12. prime mover13. base: 1, coupling cover: 1 4. spare parts impeller 1shaft cover 1junk ring 2 or 1 . F type ...