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 5915-01-362-1264
NSN 5999-01-634-0576
NSN 5975-01-656-6625
NSN 4140-01-655-8247
NSN 6130-01-363-8392
NSN 2925-01-437-9041
NSN 4140-01-239-7508
NSN 5920-01-256-0287
NSN 6650-00-054-4721
NSN 5835-01-408-7576
NSN 6220-01-659-5631
NSN 5835-00-489-0601