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 6650-01-382-8569
NSN 6320-01-466-4175
NSN 4140-01-408-7760
NSN 5910-00-160-8523
NSN 5999-01-208-1195
NSN 5999-00-293-9788
NSN 6240-00-512-3473
NSN 6110-01-329-6387
NSN 2925-00-626-5027
NSN 5990-01-116-2181
NSN 5999-01-016-1303
NSN 2925-01-184-5201