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 6620-01-542-8709
NSN 5950-01-634-0677
NSN 5835-01-612-4753
NSN 5990-00-140-4559
NSN 5998-01-621-8794
NSN 5985-01-215-7110
NSN 6145-01-326-4845
NSN 6240-01-036-3031
NSN 5930-00-103-2748
NSN 5950-00-479-9707
NSN 5975-01-543-7975
NSN 5920-00-283-7178