電(dian)動(dong)通風(feng)蝶(die)閥 氣(qi)動(dong)襯氟蝶(die)閥采用新型(xing)系(xi)列AT型(xing)氣(qi)動(dong)執(zhi)行(xing)器，有(you)雙(shuang)作用(yong)式(shi)和(he)單(dan)作用(yong)式(shi)（彈(dan)簧復(fu)位(wei)），齒輪(lun)傳動(dong)，安全(quan)可(ke)靠；大口(kou)徑閥門采用系(xi)列AW型(xing)氣(qi)動(dong)執(zhi)行(xing)器拔(ba)叉(cha)式(shi)傳動(dong)，結構合(he)理，輸出(chu)扭矩大(da)，有雙(shuang)作用(yong)式(shi)和(he)單(dan)作用(yong)式(shi)。