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 6620-01-352-5640
NSN 5945-01-247-3487
NSN 6130-01-301-3571
NSN 6685-00-495-2291
NSN 6645-00-873-4642
NSN 5996-01-364-7934
NSN 5915-01-125-5120
NSN 2925-01-194-2484
NSN 5915-00-135-3467
NSN 6650-01-076-3922
NSN 5935-00-926-7555
NSN 5985-01-463-8562