盲板

盲(mang)(mang)板(ban)(ban)：法(fa)蘭(lan)(lan)(lan)盲(mang)(mang)板(ban)(ban)，亦稱盲(mang)(mang)法(fa)蘭(lan)(lan)(lan)，實(shi)名叫盲(mang)(mang)板(ban)(ban)。是(shi)法(fa)蘭(lan)(lan)(lan)的(de)(de)一種連接形(xing)式。盲(mang)(mang)板(ban)(ban)是(shi)中(zhong)間不帶孔的(de)(de)法(fa)蘭(lan)(lan)(lan)，供(gong)封(feng)(feng)住(zhu)管道堵頭(tou)(tou)用(yong)(yong)。密封(feng)(feng)面(mian)(mian)(mian)(mian)的(de)(de)形(xing)式種類較多，有平(ping)面(mian)(mian)(mian)(mian)、凸(tu)面(mian)(mian)(mian)(mian)、凹凸(tu)面(mian)(mian)(mian)(mian)、榫槽面(mian)(mian)(mian)(mian)、環連接面(mian)(mian)(mian)(mian)。其(qi)功能之(zhi)一是(shi)封(feng)(feng)堵住(zhu)管道的(de)(de)末端，其(qi)二是(shi)有可以在(zai)檢修時(shi)方(fang)(fang)便(bian)清除(chu)管道中(zhong)的(de)(de)雜物的(de)(de)作(zuo)用(yong)(yong)。就封(feng)(feng)堵作(zuo)用(yong)(yong)而(er)(er)言(yan)，與封(feng)(feng)頭(tou)(tou)和管帽有相同(tong)的(de)(de)作(zuo)用(yong)(yong)。但是(shi)封(feng)(feng)頭(tou)(tou)是(shi)沒有辦(ban)法(fa)拆(chai)卸的(de)(de)，而(er)(er)法(fa)蘭(lan)(lan)(lan)盲(mang)(mang)板(ban)(ban)是(shi)用(yong)(yong)螺栓固定的(de)(de)，很(hen)方(fang)(fang)便(bian)的(de)(de)拆(chai)卸的(de)(de)。法(fa)蘭(lan)(lan)(lan)盲(mang)(mang)板(ban)(ban)材質有碳鋼的(de)(de)，合金鋼 ...