A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.
Classification: Parts, nesoi, of pumps for liquids
NSN 5945-01-076-8518
NSN 5905-00-233-9157
NSN 6150-01-043-5988
NSN 6620-01-181-1757
NSN 6240-00-479-0332
NSN 6650-01-281-2148
NSN 6610-00-168-2200
NSN 6240-01-604-1293
NSN 5855-01-450-0137
NSN 5920-01-628-0995
NSN 5835-01-511-5337
NSN 6620-01-511-5352