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電動(dong)插板閥(fa)(fa)配(pei)有手動(dong)，萬一供電間斷，可以(yi)手動(dong)操作(zuo)開啟(qi)或(huo)關閉閥(fa)(fa)門，有效控制(zhi)介質，防止事(shi)故發(fa)生。

DLMD電(dian)動(dong)頭插板(ban)(ban)(ban)閥(fa)啟(qi)閉件是閘(zha)板(ban)(ban)(ban)，閘(zha)板(ban)(ban)(ban)的運動(dong)方向與流體方向相垂直，電(dian)動(dong)插板(ban)(ban)(ban)閥(fa)只能作(zuo)全(quan)開和(he)全(quan)關，不能作(zuo)調節和(he)節流。閘(zha)板(ban)(ban)(ban)有兩(liang)個密封面(mian)(mian)，較常(chang)用的模式閘(zha)板(ban)(ban)(ban)閥(fa)的兩(liang)個密封面(mian)(mian)形(xing)(xing)成楔(xie)形(xing)(xing)、楔(xie)形(xing)(xing)角隨閥(fa)門參數而異。