盲(mang)板

盲(mang)板(ban)(ban)(ban)(ban)：法蘭盲(mang)板(ban)(ban)(ban)(ban)，亦稱盲(mang)法蘭，實名(ming)叫盲(mang)板(ban)(ban)(ban)(ban)。是(shi)(shi)法蘭的(de)(de)一種連接(jie)形式(shi)。盲(mang)板(ban)(ban)(ban)(ban)是(shi)(shi)中間不帶(dai)孔的(de)(de)法蘭，供封(feng)(feng)住管(guan)道(dao)(dao)堵頭(tou)用(yong)。密封(feng)(feng)面(mian)(mian)的(de)(de)形式(shi)種類較多，有平面(mian)(mian)、凸(tu)面(mian)(mian)、凹(ao)凸(tu)面(mian)(mian)、榫槽面(mian)(mian)、環(huan)連接(jie)面(mian)(mian)。其(qi)功能之一是(shi)(shi)封(feng)(feng)堵住管(guan)道(dao)(dao)的(de)(de)末端，其(qi)二是(shi)(shi)有可以在(zai)檢(jian)修(xiu)時方(fang)便清除管(guan)道(dao)(dao)中的(de)(de)雜物的(de)(de)作(zuo)(zuo)(zuo)用(yong)。就封(feng)(feng)堵作(zuo)(zuo)(zuo)用(yong)而言(yan)，與封(feng)(feng)頭(tou)和管(guan)帽(mao)有相同的(de)(de)作(zuo)(zuo)(zuo)用(yong)。但是(shi)(shi)封(feng)(feng)頭(tou)是(shi)(shi)沒有辦(ban)法拆卸的(de)(de)，而法蘭盲(mang)板(ban)(ban)(ban)(ban)是(shi)(shi)用(yong)螺栓固(gu)定的(de)(de)，很方(fang)便的(de)(de)拆卸的(de)(de)。法蘭盲(mang)板(ban)(ban)(ban)(ban)材質有碳鋼的(de)(de)，合金鋼 ...