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 5930-01-245-7587
NSN 5996-00-161-4202
NSN 5895-01-065-4445
NSN 5925-00-932-3027
NSN 5920-01-042-6680
NSN 6220-00-139-3026
NSN 5990-00-683-1095
NSN 5905-01-237-2582
NSN 5915-00-318-8872
NSN 6685-01-533-6997
NSN 5920-00-642-9908
NSN 4140-01-474-5007