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 5950-00-223-9801
NSN 6620-01-139-6010
NSN 6145-01-381-2529
NSN 6150-01-522-7324
NSN 5945-00-472-7823
NSN 5990-01-517-7848
NSN 6135-00-016-0071
NSN 4140-01-649-9621
NSN 6610-01-520-6889
NSN 7035-01-477-3037
NSN 5930-00-731-9767
NSN 5935-00-424-2714