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 5935-01-433-2251
NSN 5920-01-437-8086
NSN 5855-01-418-0089
NSN 6610-00-536-4977
NSN 6145-00-155-5297
NSN 5855-01-550-5219
NSN 6145-01-216-8291
NSN 5999-00-395-2715
NSN 5999-00-934-1716
NSN 6135-00-134-6648
NSN 5975-01-078-4187
NSN 5975-01-472-9526