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 6620-01-236-0138
NSN 6145-01-392-3238
NSN 6650-01-335-6669
NSN 6150-01-391-7118
NSN 4140-00-513-1089
NSN 5999-01-067-7958
NSN 5835-01-061-9434
NSN 6645-01-089-6459
NSN 5985-00-218-1356
NSN 5920-01-442-8998
NSN 6110-00-973-4501
NSN 5910-00-833-8298