DEFORMABLE VALVE SPACER RING SYSTEM AND METHOD

Abstract: a valve assembly includes a valve body having a stem bore extending along a stem bore axis and a flow bore extending along a valve body axis, a bonnet coupled to the valve body via one or more fasteners, a stem extending along the stem bore axis and within the stem bore, a packing system positioned along the stem within an annulus formed between the stem and the bonnet, a spacer ring positioned axially above the packing system, and a packing gland coupled to the bonnet to axially secure at least the packing system within the annulus. the spacer ring is positioned in a non-loaded configuration within the annulus such that one or both of an outer diameter or an inner diameter of the spacer ring is separated from one or both of the stem or the bonnet via a respective gap.

Inventor(s): Fabio Tanaka, Javier Garcia, Lloyd Cheatham, Xichang Zhang

CPC Classification: F16K41/043 (VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING {(devices for emptying and evacuating the excess liquid in valves or conduits )})

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