Patent ID: 7004452

Claim:
A seal assembly for a gate valve, the valve including a valve engaging member and a valve body, the valve body having a first pocket, the valve body first pocket having a first inner radius, the seal assembly comprising: a first pocket insert disposed within the valve body first pocket, the first pocket insert being annular and having an L-shaped cross-section; a first seat member disposed telescopingly within the first pocket insert, the first seat member being adjacent the valve engaging member; a first annular groove disposed at an exterior corner of the L-shaped cross-section of the first pocket insert proximate the first inner radius of the valve body first pocket; and a first radial seal ring disposed within the first annular groove of the first pocket insert adjacent the first inner radius of the valve body first pocket, wherein the first radial seal ring provides a radial seal between the first pocket insert and the first inner radius of the valve body first pocket.