Patent ID: 6843483
Filing Date: 2005-01-18
Classification: F16J,G01F

Abstract:
1. A seal ring for an orifice plate, comprising: a metal annular body having an inverted “T” shaped cross-sectional profile, the body having an outer peripheral edge, an inner peripheral edge, a first sealing element retainer integrally formed with and extending from a first side of the body, and second sealing element retainer integrally formed with and extending from a second side of the body; an annular first sealing element engaging the first sealing element retainer on the first side of the body; an annular second sealing element engaging the second sealing element retainer on the second side of the body; the first sealing element and the second sealing element leaving the outer peripheral edge of the body exposed to facilitate metal on metal contact between a carrier of an orifice fitting and the outer peripheral edge; and the first sealing element and the second sealing element extending past the inner peripheral edge to form an orifice plate receiving groove.