| 摘要 |
<p>A liquified gas pressure regulator (10) including a gas inlet and a gas outlet, a valve (22) for controlling flow of gas from the inlet to the outlet, a control means (16) which is responsive to gas outlet pressure and which is arranged to operate the valve in response to said gas outlet pressure so as to regulate the pressure of gas flowing to the outlet, and sensor means (50) co-operating with said control means, the sensor means being arranged to operate indication means (60) in response to a predetermined operation of the control means.</p> |
