盲(mang)板

盲(mang)(mang)板(ban)(ban)(ban)：法(fa)蘭盲(mang)(mang)板(ban)(ban)(ban)，亦稱盲(mang)(mang)法(fa)蘭，實名叫盲(mang)(mang)板(ban)(ban)(ban)。是(shi)(shi)(shi)法(fa)蘭的(de)(de)一(yi)種連接形式。盲(mang)(mang)板(ban)(ban)(ban)是(shi)(shi)(shi)中(zhong)間不帶孔(kong)的(de)(de)法(fa)蘭，供封(feng)(feng)住管道(dao)堵(du)頭用(yong)(yong)。密(mi)封(feng)(feng)面(mian)的(de)(de)形式種類較多，有(you)平面(mian)、凸(tu)面(mian)、凹凸(tu)面(mian)、榫(sun)槽面(mian)、環(huan)連接面(mian)。其功能之一(yi)是(shi)(shi)(shi)封(feng)(feng)堵(du)住管道(dao)的(de)(de)末(mo)端(duan)，其二是(shi)(shi)(shi)有(you)可以在檢修時方(fang)便清除管道(dao)中(zhong)的(de)(de)雜物(wu)的(de)(de)作用(yong)(yong)。就封(feng)(feng)堵(du)作用(yong)(yong)而言，與封(feng)(feng)頭和管帽有(you)相(xiang)同(tong)的(de)(de)作用(yong)(yong)。但是(shi)(shi)(shi)封(feng)(feng)頭是(shi)(shi)(shi)沒有(you)辦法(fa)拆(chai)卸的(de)(de)，而法(fa)蘭盲(mang)(mang)板(ban)(ban)(ban)是(shi)(shi)(shi)用(yong)(yong)螺(luo)栓固定的(de)(de)，很(hen)方(fang)便的(de)(de)拆(chai)卸的(de)(de)。法(fa)蘭盲(mang)(mang)板(ban)(ban)(ban)材質(zhi)有(you)碳鋼的(de)(de)，合金鋼 ...