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 5990-01-584-8363
NSN 5950-00-955-9968
NSN 5905-00-777-9579
NSN 5930-00-982-7193
NSN 6240-01-153-2861
NSN 4140-00-358-5312
NSN 6320-00-593-0379
NSN 6650-01-414-6701
NSN 5998-01-226-8562
NSN 5999-01-276-8185
NSN 5990-00-359-9839
NSN 6320-00-284-1524