End suction pump: a typical centrifugal pump, the workhorse of industry. Also known as volute pump, standard pump, horizontal suction pump. The back pull out design is a standard feature and allows easy removal of the impeller and shaft with the complete drive and bearing assembly while keeping the piping and motor in place. Some of its components are: 1.Casing, volute 2. Impeller, vanes, vane tips, backplate, frontplate (shroud), back vanes, pressure equalising passages or balancing holes 3. Back cover parallel to Plane of the impeller intake 4. Stuffing Box - Gland/mechanical seal housing or packing/lantern ring 5. Pump shaft 6. Pump casing 7. Bearing housing 8. Bearings 9. Bearing seals 11. Back pull out 12. Bearings 13. Bearing seals