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 6620-01-105-5770
NSN 6150-00-891-7922
NSN 5905-00-762-8607
NSN 6685-01-071-5547
NSN 5910-00-200-1413
NSN 5960-00-919-9383
NSN 5998-00-661-0380
NSN 4140-00-643-3744
NSN 5998-01-144-3540
NSN 5998-01-145-6129
NSN 7035-00-529-3128
NSN 5990-00-170-4239