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 6220-01-381-8720
NSN 5945-00-950-5667
NSN 5925-00-752-8292
NSN 5925-01-610-4017
NSN 6650-00-405-6323
NSN 6320-01-123-6814
NSN 7035-01-327-4456
NSN 4140-01-324-0324
NSN 6105-00-211-5746
NSN 5985-01-581-6558
NSN 5905-01-288-3761
NSN 6645-01-034-0469