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 5910-01-209-2160
NSN 6645-00-876-4413
NSN 6240-01-444-1673
NSN 2925-00-258-9786
NSN 5990-01-304-5680
NSN 5855-01-063-6340
NSN 5945-00-519-6529
NSN 5996-01-088-7074
NSN 5999-01-393-2232
NSN 6145-01-277-5367
NSN 5915-01-577-8387
NSN 6650-00-624-3686