| 摘要 |
<p>A reusable emergency gas shut-off valve (10) for terminating the supply of fuel to a dwelling is adapted for fluid pressure actuation at a location outside of the dwelling, manual actuation on the valve (10) itself, and thermal actuation from heat in the vicinity of the valve (10) or via a signal received from a temperature-sensing device at a location remote from the valve. The valve is resettable only by utilizing a specially-constructed reloading tool (80).</p> |
