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 2925-01-609-8464
NSN 6110-01-283-6957
NSN 6610-00-278-7647
NSN 4140-01-553-8505
NSN 5905-01-516-2679
NSN 5990-01-245-7299
NSN 5975-01-089-4900
NSN 5960-00-480-3490
NSN 2925-01-535-7235
NSN 6645-00-215-0102
NSN 6105-00-763-7967