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ZCRB燃(ran)氣(qi)緊急(ji)切斷(duan)(duan)(duan)閥是(shi)新(xin)(xin)型燃(ran)氣(qi)管(guan)道(dao)工(gong)程的安全配套裝置(zhi)，可與燃(ran)氣(qi)體(ti)泄漏(lou)監測儀器聯接，可燃(ran)氣(qi)體(ti)泄漏(lou)自(zi)動關(guan)(guan)閉主供(gong)氣(qi)閥門(men)，切斷(duan)(duan)(duan)燃(ran)氣(qi)供(gong)給(gei)，防止事故發(fa)生(sheng)。 燃(ran)氣(qi)緊急(ji)切斷(duan)(duan)(duan)閥日常工(gong)作時(shi)處(chu)(chu)于(yu)常開狀態，電(dian)(dian)磁線(xian)圈(quan)處(chu)(chu)于(yu)斷(duan)(duan)(duan)電(dian)(dian)狀態，不消耗電(dian)(dian)能。事故發(fa)生(sheng)時(shi)，線(xian)圈(quan)瞬間通(tong)電(dian)(dian)，觸發(fa)閥門(men)快(kuai)速(su)關(guan)(guan)閉，并進(jin)入自(zi)鎖狀態，此時(shi)既使(shi)拔去電(dian)(dian)源，閥門(men)仍處(chu)(chu)于(yu)自(zi)鎖狀態，不會自(zi)動打(da)開，需人工(gong)重新(xin)(xin)開啟閥門(men)。