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 6685-00-410-4972
NSN 6650-01-542-3752
NSN 6650-00-480-9135
NSN 6320-01-473-9024
NSN 5975-01-227-2722
NSN 6320-00-483-0451
NSN 6135-01-039-2882
NSN 5950-00-503-8086
NSN 5990-01-463-2279
NSN 5930-01-597-1453
NSN 5915-00-729-1276
NSN 5985-01-571-7656