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 6620-01-234-1799
NSN 5998-01-612-9961
NSN 5920-01-166-7047
NSN 6650-01-146-5000
NSN 5998-01-611-4809
NSN 5965-01-160-1017
NSN 6110-00-075-5660
NSN 6130-01-494-7951
NSN 5996-00-107-5357
NSN 6610-00-388-9188
NSN 5930-01-350-4657
NSN 6685-01-149-9196