Patent ID: 6206026
Filing Date: 2001-03-27
Classification: F16K,Y10T

Abstract:
A gas cylinder valve comprising a valve body having a valve chamber containing a valving element which opens and closes an annular valve seat, and a gas cylinder plugging end portion and a pipe-connecting port both formed on the valve body;the gas cylinder plugging end portion containing an upstream side gas channel opening at one extremity to an end thereof and at the other extremity to an internal circumference of the valve seat; the port containing two downstream side gas channels each opening at one extremity to an end thereof and at the other extremity to an external circumference of the valve seat; a metal connector containing two channels to be connected to the two downstream side gas channels respectively being fitted in the port; one of two channels being connected to a purge gas charge side, while the other channel being connected to a purge gas bleed side.