盲板

盲(mang)(mang)(mang)板(ban)(ban)(ban)：法(fa)蘭(lan)盲(mang)(mang)(mang)板(ban)(ban)(ban)，亦稱盲(mang)(mang)(mang)法(fa)蘭(lan)，實名叫盲(mang)(mang)(mang)板(ban)(ban)(ban)。是(shi)法(fa)蘭(lan)的(de)(de)(de)一種連接(jie)(jie)形式。盲(mang)(mang)(mang)板(ban)(ban)(ban)是(shi)中(zhong)間不帶孔的(de)(de)(de)法(fa)蘭(lan)，供(gong)封住(zhu)管(guan)道(dao)(dao)堵頭用(yong)(yong)。密(mi)封面(mian)(mian)(mian)的(de)(de)(de)形式種類較多，有(you)(you)(you)平面(mian)(mian)(mian)、凸面(mian)(mian)(mian)、凹凸面(mian)(mian)(mian)、榫(sun)槽面(mian)(mian)(mian)、環連接(jie)(jie)面(mian)(mian)(mian)。其功能之(zhi)一是(shi)封堵住(zhu)管(guan)道(dao)(dao)的(de)(de)(de)末端，其二是(shi)有(you)(you)(you)可以(yi)在檢修時方便(bian)清除管(guan)道(dao)(dao)中(zhong)的(de)(de)(de)雜物的(de)(de)(de)作(zuo)用(yong)(yong)。就封堵作(zuo)用(yong)(yong)而言，與封頭和管(guan)帽有(you)(you)(you)相同(tong)的(de)(de)(de)作(zuo)用(yong)(yong)。但(dan)是(shi)封頭是(shi)沒有(you)(you)(you)辦法(fa)拆(chai)卸(xie)的(de)(de)(de)，而法(fa)蘭(lan)盲(mang)(mang)(mang)板(ban)(ban)(ban)是(shi)用(yong)(yong)螺栓固定的(de)(de)(de)，很方便(bian)的(de)(de)(de)拆(chai)卸(xie)的(de)(de)(de)。法(fa)蘭(lan)盲(mang)(mang)(mang)板(ban)(ban)(ban)材質有(you)(you)(you)碳鋼的(de)(de)(de)，合金鋼 ...