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 6610-01-141-7014
NSN 5935-00-188-9706
NSN 5999-01-220-4010
NSN 6220-01-067-8142
NSN 6220-01-091-8460
NSN 2925-01-196-6187
NSN 5920-01-350-3163
NSN 5915-00-707-2297
NSN 5920-01-395-0374
NSN 6150-01-019-8026
NSN 5950-00-269-3841
NSN 2925-00-284-1534