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 6620-00-789-8684
NSN 6620-00-248-6950
NSN 6220-00-072-5633
NSN 5985-00-838-3851
NSN 6220-00-719-4254
NSN 6240-01-058-8868
NSN 5998-00-186-0946
NSN 5960-00-911-9345
NSN 2925-00-660-8131
NSN 5960-00-686-6757
NSN 5855-01-205-7030
NSN 6650-01-413-3825