Patent ID: 6695000
Filing Date: 2004-02-24
Classification: F16K,Y10S,Y10T

Abstract:
An improvement to a valve having a valve body, a bonnet threadedly securable to the valve body, said valve body having an interior wall, an exterior wall, and an interior cavity defined by the interior wall, the improvement comprising:a bore extending from a first open end at the interior wall of the valve body to a second end at the exterior wall of the valve body, said first open end located at a position of the interior of the valve body such that said bonnet exposes said bore to an interior cavity defined by the interior wall of the valve body prior to removal of the bonnet from a threaded engagement with the valve body, and; a gasket disposed along the interior wall of the valve body, prior to the threaded engagement, to create a pressure-assisted fluid seal between said bonnet and said valve body wherein said gasket is directly exposed to an operating pressure of the valve and a fluid passing therethrough when said bonnet is threadedly engaged with said valve body.