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 6240-00-836-4980
NSN 4140-01-100-1223
NSN 6685-00-824-1073
NSN 4140-01-440-9203
NSN 5895-01-258-7054
NSN 6220-01-462-0236
NSN 5925-00-188-3864
NSN 6320-01-399-6177
NSN 6320-01-054-3046
NSN 5985-00-995-1427
NSN 6620-00-216-6416
NSN 5960-01-200-4621