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 6240-00-456-2578
NSN 6105-01-491-2045
NSN 6135-01-633-8502
NSN 6130-01-443-0933
NSN 6650-01-116-0752
NSN 5855-00-058-1293
NSN 7035-01-642-4301
NSN 6320-01-436-0513
NSN 6620-01-052-2773
NSN 5985-01-085-4586
NSN 2925-00-247-6248
NSN 5930-00-246-5599