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 6240-01-063-7685
NSN 6645-00-313-2324
NSN 6320-01-445-5893
NSN 6645-01-510-3496
NSN 6610-01-105-9520
NSN 6135-01-010-0891
NSN 6685-01-197-0540
NSN 6240-00-912-1074
NSN 5915-00-193-6850
NSN 5835-01-262-5001
NSN 6610-00-890-0254
NSN 6685-01-027-1168