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 7035-01-287-9817
NSN 5960-00-778-2341
NSN 5895-00-738-7194
NSN 6220-01-179-4491
NSN 2925-01-230-8057
NSN 5975-00-173-1810
NSN 4140-01-123-9149
NSN 5905-00-803-3571
NSN 6240-01-368-0762
NSN 5990-00-416-9831
NSN 6320-01-578-6006
NSN 5965-01-255-5581