Last Updated
：2025/11/22
demand valve
（ plural ）
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A mechanism in a diving regulator which controls the supply of gas by opening to provide flow when the user inhales, and shuts off supply when inhalation stops.
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demand valve
The diver checked the demand valve before descending to ensure it would supply air only when he inhaled.
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The diver checked the demand valve before descending to ensure it would supply air only when he inhaled.
音声機能が動作しない場合はこちらをご確認ください
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