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 4140-00-163-2868
NSN 5960-01-350-5332
NSN 6650-01-259-5940
NSN 6685-01-619-9264
NSN 5855-01-122-9418
NSN 5998-01-443-1427
NSN 7035-00-020-2227
NSN 5960-00-406-9985
NSN 6240-01-478-0128
NSN 5985-01-521-3988
NSN 2925-01-359-4027
NSN 6645-00-291-6873