盲板

盲(mang)(mang)板(ban)(ban)：法(fa)蘭(lan)(lan)盲(mang)(mang)板(ban)(ban)，亦稱(cheng)盲(mang)(mang)法(fa)蘭(lan)(lan)，實名叫盲(mang)(mang)板(ban)(ban)。是(shi)(shi)(shi)法(fa)蘭(lan)(lan)的(de)一種(zhong)連接(jie)形式(shi)。盲(mang)(mang)板(ban)(ban)是(shi)(shi)(shi)中(zhong)間不帶(dai)孔的(de)法(fa)蘭(lan)(lan)，供封(feng)(feng)(feng)住(zhu)管(guan)道(dao)堵(du)頭用(yong)(yong)。密封(feng)(feng)(feng)面的(de)形式(shi)種(zhong)類較多，有平面、凸面、凹凸面、榫槽面、環連接(jie)面。其(qi)功(gong)能之一是(shi)(shi)(shi)封(feng)(feng)(feng)堵(du)住(zhu)管(guan)道(dao)的(de)末端，其(qi)二(er)是(shi)(shi)(shi)有可(ke)以在檢修(xiu)時方便清除管(guan)道(dao)中(zhong)的(de)雜物的(de)作用(yong)(yong)。就封(feng)(feng)(feng)堵(du)作用(yong)(yong)而(er)言，與封(feng)(feng)(feng)頭和管(guan)帽有相同的(de)作用(yong)(yong)。但是(shi)(shi)(shi)封(feng)(feng)(feng)頭是(shi)(shi)(shi)沒有辦法(fa)拆卸的(de)，而(er)法(fa)蘭(lan)(lan)盲(mang)(mang)板(ban)(ban)是(shi)(shi)(shi)用(yong)(yong)螺(luo)栓(shuan)固定的(de)，很方便的(de)拆卸的(de)。法(fa)蘭(lan)(lan)盲(mang)(mang)板(ban)(ban)材質有碳鋼的(de)，合金鋼 ...