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 6320-01-333-5782
NSN 5910-00-146-4201
NSN 6650-01-392-8086
NSN 6645-01-245-8390
NSN 5855-01-103-1474
NSN 6620-01-119-9239
NSN 6220-00-171-8638
NSN 6130-01-237-1866
NSN 4140-00-063-6417
NSN 6685-01-165-6997
NSN 4140-00-155-8012
NSN 2925-00-010-9609