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 6220-01-431-6773
NSN 5925-01-188-7630
NSN 2925-00-695-4143
NSN 5990-00-924-4167
NSN 5915-00-773-2333
NSN 5905-01-465-4169
NSN 6685-01-343-9622
NSN 5915-00-698-3563
NSN 5965-01-176-3227
NSN 5925-01-258-4640
NSN 5965-00-493-6008
NSN 6145-01-081-6255