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
NSN 5985-01-010-7682
NSN 6620-01-367-2597
NSN 6145-01-634-0388
NSN 5895-01-629-6781
NSN 6240-01-310-8778
NSN 6685-01-141-7746
NSN 5910-01-288-4241
NSN 5915-01-076-1882
NSN 6610-00-811-6072
NSN 5999-00-501-0703
NSN 5925-00-284-3726