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 6145-01-390-9074
NSN 5950-01-391-6550
NSN 6620-01-538-7174
NSN 5895-00-246-4415
NSN 5935-00-707-1168
NSN 5950-01-259-3770
NSN 5855-00-482-9876
NSN 6135-01-264-7261
NSN 6135-00-276-7625
NSN 5990-00-031-3586
NSN 6610-01-585-1448
NSN 6610-01-543-8567