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 5990-01-393-4808
NSN 5930-01-441-1176
NSN 4140-01-564-7500
NSN 5965-01-443-3000
NSN 6610-01-370-3886
NSN 5998-00-070-9389
NSN 5930-01-096-8910
NSN 2925-00-925-0545
NSN 5965-00-246-5612
NSN 6145-01-070-0579
NSN 6620-00-811-7614
NSN 6320-01-021-6633