| 摘要 |
A gas shut-off device 10 for a gas cylinder, to stop gas flow from the cylinder if the gas flow becomes excessively high, or the device is tilted from its normal orientation. The device 10 includes a cylindrical chamber 21 having a gas inlet 20 and a gas outlet 25, with a ball 22 located within the chamber 21 to close the outlet 25 if the gas flow becomes excessively high or the device 10 becomes tilted. |
