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 5975-00-817-4476
NSN 6220-01-021-0181
NSN 7035-01-487-5036
NSN 6220-01-016-4888
NSN 2925-00-084-8462
NSN 6110-00-503-6643
NSN 5960-01-425-1454
NSN 5999-01-099-7454
NSN 6620-01-323-7620
NSN 4140-01-372-1039
NSN 6685-00-895-1552
NSN 5996-01-444-1488