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 5920-00-122-8702
NSN 5835-01-632-6627
NSN 6130-01-007-7258
NSN 6685-01-606-9171
NSN 4140-01-068-3500
NSN 6220-00-338-8923
NSN 6135-01-650-6529
NSN 2925-01-092-7335
NSN 5915-00-049-8923
NSN 5855-01-610-9321
NSN 5915-01-588-4586
NSN 5990-01-094-7740