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 6620-01-578-7561
NSN 6320-00-070-4544
NSN 6645-00-518-2068
NSN 5915-00-985-1605
NSN 5998-01-467-3173
NSN 5975-01-430-2459
NSN 5895-01-139-6622
NSN 5855-00-403-1031
NSN 5960-01-239-4314
NSN 5965-01-386-2988
NSN 5910-01-210-5323
NSN 5999-01-059-6611