Patent ID: 7066442
Filing Date: 2006-06-27
Classification: F16K,Y10T

Abstract:
1. A valve comprising: (a) a valve body, said valve body having a passageway therethrough, said valve body being adapted to be mounted to a wall of a vessel, said passageway being between an interior and exterior of said vessel; said valve body having threads therein adjacent said passageway; said valve body having a valve seat; (b) a valve stem insert threadedly engaged with said threads of said valve body and being movably mounted for reciprocation within said valve body between a valve-closed position and a valve-opened position as said insert is rotated with respect to said valve body; and (c) gasket means for sealing said insert to said valve seat when said insert is in said valve-closed position, said gasket means also preventing removal of said insert from said valve body.