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 2925-01-212-1040
NSN 6685-01-380-9740
NSN 6685-01-344-5349
NSN 5950-00-091-1507
NSN 5990-01-225-2283
NSN 5935-00-822-0816
NSN 6150-01-519-4536
NSN 5950-01-328-8983
NSN 5905-00-411-8591
NSN 5998-00-205-8803
NSN 4140-01-644-0927
NSN 5999-01-239-8846