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 5935-01-648-1401
NSN 5975-01-321-7295
NSN 6220-01-593-5083
NSN 6130-01-545-0296
NSN 2925-01-446-6523
NSN 5920-00-243-9506
NSN 5999-00-234-0858
NSN 6610-01-141-7014
NSN 6320-01-429-9871
NSN 5998-00-633-5169
NSN 5910-00-455-0869
NSN 6110-00-450-0194