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 6320-00-238-9973
NSN 5935-00-303-4326
NSN 6130-00-952-9037
NSN 6610-00-455-3979
NSN 6620-01-032-3937
NSN 2925-01-649-7543
NSN 6685-00-224-5310
NSN 4140-01-345-4212
NSN 6150-01-341-2807
NSN 6620-00-273-8735
NSN 6685-01-264-8010
NSN 6685-00-153-0266