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 4140-01-420-6263
NSN 6645-01-611-9391
NSN 6240-01-212-9586
NSN 5996-01-367-4209
NSN 6240-01-656-1126
NSN 6220-00-068-1000
NSN 5910-00-825-8905
NSN 5935-00-639-1382
NSN 6110-00-900-0673
NSN 6135-01-599-7563
NSN 6620-00-170-5296
NSN 6240-01-367-3656