| 摘要 |
A gas regulator with several stage adjustments comprises a main body, two regulating bases and two pressure regulators provided in two-one upper and the other lower-chambers in the main body for regulating the pressure in both chambers, two regulator caps to close up a top and a bottom side of the main body, a restoring unit for releasing a stopper in a micro adjusting unit from an opening of a first passageway to restore ordinary gas supply in case of automatic stoppage of the opening by extremely large gas flow caused by leakage, and a micro adjusting unit having the stopper to be adjusted in its position to change sensibility of stopping gas supply in case of disorder.
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