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 5998-01-121-4240
NSN 4140-01-207-0452
NSN 5920-01-500-1880
NSN 5996-01-157-3883
NSN 5925-00-401-7767
NSN 6110-01-184-3658
NSN 5855-01-616-4391
NSN 6650-01-333-1690
NSN 7035-01-169-1166
NSN 5990-01-243-4233
NSN 6650-00-378-9416
NSN 6240-00-643-4532