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 6645-01-366-5033
NSN 6645-01-485-6536
NSN 6220-01-443-7731
NSN 6320-00-500-4172
NSN 5935-01-645-1586
NSN 5996-00-561-9163
NSN 5985-00-344-0190
NSN 5925-00-116-8706
NSN 6650-01-145-5173
NSN 5925-00-070-5011
NSN 6610-01-429-2162
NSN 6135-00-182-7008