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陶瓷截止(zhi)閥適用于公(gong)稱壓力PN1.6～32.0Mpa及P54170V，工(gong)(gong)(gong)作溫(wen)度-29～540℃的石(shi)油、化工(gong)(gong)(gong)、礦(kuang)山、冶金、電(dian)力行業等各種工(gong)(gong)(gong)況(kuang)的管路上，切斷或接通管路介質。