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 5996-00-887-0595
NSN 5950-00-897-9480
NSN 5996-01-350-7147
NSN 6645-01-578-6815
NSN 6135-00-715-4001
NSN 2925-00-546-3129
NSN 5998-00-767-0307
NSN 5975-01-442-3120
NSN 5990-01-230-0059
NSN 6110-01-194-6630
NSN 6645-01-188-5237
NSN 6110-01-540-8371