| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a gas cock, in which blocking of gas circulation by an excess outflow stop valve can be properly performed. <P>SOLUTION: In the gas cock in which a tubular gas cock body 2 having a gas flow path 1 formed inside is provided with a slide valve G movable in the axial direction of the gas cock body 2 between a closing position and an opening position and the excess outflow stop valve H disposed at an upstream side than the slide valve G in the gas circulation direction of the gas flow path 1, the excess outflow stop valve H is movable by receiving flow pressure of gas at a pressure receiving part Ha from an initial position which is separated from an abutment member G1 and permitting passage of gas to an operation position where passage of gas is blocked by abutment with the abutment member, and the pressure receiving part Ha is formed while covering the whole in the flow path radial direction of the gas flow path 1. <P>COPYRIGHT: (C)2013,JPO&INPIT |
