真空隔離閘閥連接形式分法蘭、焊接兩種，驅(qū)動方式有手動、電動兩種。該閥門適用于工作溫度≤425℃和≤550℃，工作介質(zhì)為水、蒸汽或空氣的管路上，作為啟閉裝置；尤其適用于火電廠汽機(jī)冷凝和真空負(fù)壓系統(tǒng)，起真空隔離密封作用。
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