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 5925-01-414-9210
NSN 5996-00-984-2145
NSN 5996-01-514-1610
NSN 5855-01-341-2518
NSN 5950-01-509-0296
NSN 5985-00-225-8410
NSN 6610-00-681-0590
NSN 6685-00-038-7886
NSN 5945-01-177-1279
NSN 4140-00-337-6631
NSN 6320-00-937-5625
NSN 6240-00-416-6140