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 5905-01-422-1670
NSN 2925-00-523-7096
NSN 6220-01-650-6302
NSN 6650-00-590-9073
NSN 5910-00-417-0825
NSN 7035-00-361-5975
NSN 6620-00-612-7743
NSN 4140-01-429-4795
NSN 5990-01-304-7597
NSN 5950-01-593-4566
NSN 6110-00-604-7753
NSN 5905-01-555-0577