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 5990-01-481-8441
NSN 5905-00-910-4188
NSN 2925-01-127-0167
NSN 5950-00-386-9161
NSN 5925-01-236-1409
NSN 5965-01-468-5583
NSN 6645-01-239-2348
NSN 4140-01-196-6308
NSN 6220-00-816-8131
NSN 5855-01-452-8512
NSN 6105-01-338-9721
NSN 5915-00-816-9056