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 6220-00-946-1117
NSN 5960-01-097-6817
NSN 6130-01-631-4096
NSN 5975-00-552-1764
NSN 6320-00-070-4544
NSN 2925-01-562-8051
NSN 6220-01-393-8160
NSN 6105-01-391-7722
NSN 2925-00-351-1015
NSN 6645-00-863-9695
NSN 6620-00-862-5567
NSN 6135-00-016-0071