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 6650-01-460-0330
NSN 5960-01-641-5493
NSN 5975-01-582-6872
NSN 6110-01-607-6670
NSN 5998-01-057-1831
NSN 6135-01-222-0703
NSN 5920-01-387-9972
NSN 2925-00-923-5375
NSN 4140-01-406-5344
NSN 6240-01-451-1409
NSN 6650-01-297-8168
NSN 5895-01-486-4265