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 4140-01-386-5630
NSN 5920-01-642-1035
NSN 5925-01-590-2513
NSN 6685-01-259-6101
NSN 2925-01-280-1911
NSN 5950-01-498-5043
NSN 6650-01-100-0933
NSN 5996-01-100-3731
NSN 6685-00-712-9616
NSN 5930-01-323-7161
NSN 5999-00-913-5165
NSN 6105-01-186-6988