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 6220-00-126-2691
NSN 6620-01-362-4276
NSN 6135-01-566-1034
NSN 5920-01-459-7781
NSN 5960-01-425-1454
NSN 5930-00-679-9076
NSN 6110-00-649-9293
NSN 5950-01-138-5193
NSN 2925-01-110-1467
NSN 6620-01-526-1478
NSN 5855-01-096-9294
NSN 5930-01-592-4688