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自己調節弁 負圧

2018-01-25View Original

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海友の皆様、自力式圧力調節弁のバルブ後圧力設定値を負圧にする製品は市場に存在しますか?例えば、工程上の要件として、バルブの後ろの圧力が-10mbargに達したらバルブを開き、-10mbargを超えたら閉じるようにする。
Reply #22018-01-25
一般的な負圧制御には高い精度が求められますが、自立型調節弁はやや粗雑な感じがします。私たちの抽出装置では、調節弁を用いたステップ制御で直接負圧を制御しています

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