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 6610-00-664-2190
NSN 6610-00-924-2828
NSN 5915-00-296-5031
NSN 5925-00-280-2273
NSN 5960-00-379-4466
NSN 6220-01-062-2077
NSN 5895-01-071-7718
NSN 4140-01-558-5806
NSN 6150-01-375-9474
NSN 6685-01-549-0538
NSN 5965-01-574-8177
NSN 2925-00-468-5273