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 6610-01-264-4888
NSN 5996-01-246-0078
NSN 6130-01-626-6540
NSN 6130-00-495-9176
NSN 5915-00-202-5192
NSN 5935-01-447-3519
NSN 6135-00-134-6648
NSN 5925-01-490-2649
NSN 4140-00-773-3291
NSN 5985-00-491-3654
NSN 5999-00-332-9198