Spring assembly for floating seat ring

Details Spring assembly for floating seat ring Spring assembly for floating seat ring

F - Mech Eng,Light,Heat,Weapons

16

K

251/47

F16K 5/00 (2006.01) F16K 5/20 (2006.01)

Patent

CA 1111405

Abstract of the Disclosure A spring assembly for a floating seat ring to urge the seat ring into sealing engagement with the movable valve member. The seat ring is mounted in an enlarged bore portion at the valve chamber and has an annular rear face in opposed re- lation to a shoulder defined by the enlarged bore portion. The improved spring assembly is mounted in the spring pocket formed between the rear face and the shoulder and has a plurality of un- dulated annular wave springs about the seat ring. Each pair of contiguous wave springs is staggered so that the front nodes of one wave spring in each contiguous pair is in opposed contact relation to the rear nodes of the other wave spring of each contiguous pair. A flat portion on the outer circum- ference of the seat ring is in nested relation to a cooperating flat portion on the inner circumference of the wave spring to maintain the wave spring in an oriented staggered relation.

334631

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