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 6645-00-440-5635
NSN 5965-00-680-9749
NSN 6220-01-201-0573
NSN 6620-01-462-1625
NSN 6135-00-577-8429
NSN 6650-00-784-9222
NSN 5945-01-435-2679
NSN 6105-01-170-5420
NSN 5855-00-763-2155
NSN 5950-01-519-7928
NSN 6650-01-449-2334
NSN 5990-01-298-6616