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 6620-01-408-4464
NSN 5905-01-645-6827
NSN 5960-00-960-6805
NSN 5905-01-366-5965
NSN 5965-00-764-1841
NSN 5985-01-216-9248
NSN 5920-01-391-3008
NSN 7035-01-382-4413
NSN 5930-00-457-0735
NSN 6650-00-043-5850
NSN 5965-01-396-7508
NSN 4140-01-412-0794