Fluid handling – With cleaner – lubrication added to fluid or liquid sealing... – Liquid supplied at valve interface
Patent
1989-12-06
1990-11-20
Walton, George L.
Fluid handling
With cleaner, lubrication added to fluid or liquid sealing...
Liquid supplied at valve interface
251175, 251196, 251327, 251328, 277 72FM, 277 75, F16K 336, F16K 2500
Patent
active
049710982
ABSTRACT:
An improved seal ring for sealing across the annular space between the exterior of a seat ring and the inner surface of a counterbore recess surrounding the entry of either the inlet or outlet into the valve chamber within the valve body, the seal ring including a pair of radially extending flanges connected by a tubular connector extending between the radial midportions of the flanges and the leading flange having inner and outer sealing surfaces which provide a high interference fit seal between the recess inner surface and the seat ring outer surface and the trailing flange having inner and outer sealing surfaces which provide a low interference fit seal between the recess inner surface and the seat ring outer surface. A spacer ring is provided to seat against the shoulder of the counterbore recess and retain the sealing flanges.
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Illustration on pp. 864-867 of the Cameron Iron Works U.S.A., Inc., catalog of 1988 as published in the Composite Catalog by World Oil Publishing Company, vol. 1, pp. 864-867 of the '88-'89 Edition.
Cooper Industries Inc.
Walton George L.
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