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 4140-01-422-4431
NSN 6320-01-532-7491
NSN 5920-01-422-4151
NSN 6645-01-147-5579
NSN 6320-01-384-3850
NSN 6685-01-202-7823
NSN 5975-01-368-3340
NSN 5999-00-682-1040
NSN 5965-01-068-2714
NSN 4140-00-336-1728
NSN 5915-01-309-1598
NSN 6650-00-944-1399