盲(mang)板

盲(mang)板(ban)(ban)(ban)(ban)：法(fa)蘭(lan)(lan)盲(mang)板(ban)(ban)(ban)(ban)，亦稱盲(mang)法(fa)蘭(lan)(lan)，實名叫盲(mang)板(ban)(ban)(ban)(ban)。是(shi)法(fa)蘭(lan)(lan)的(de)(de)一種連(lian)接形式。盲(mang)板(ban)(ban)(ban)(ban)是(shi)中間不帶(dai)孔的(de)(de)法(fa)蘭(lan)(lan)，供封(feng)住(zhu)管道(dao)堵(du)頭用(yong)(yong)。密封(feng)面(mian)(mian)的(de)(de)形式種類(lei)較多，有(you)(you)平面(mian)(mian)、凸(tu)面(mian)(mian)、凹凸(tu)面(mian)(mian)、榫槽面(mian)(mian)、環連(lian)接面(mian)(mian)。其功能之一是(shi)封(feng)堵(du)住(zhu)管道(dao)的(de)(de)末(mo)端，其二(er)是(shi)有(you)(you)可(ke)以在檢修時方便清除管道(dao)中的(de)(de)雜(za)物(wu)的(de)(de)作(zuo)用(yong)(yong)。就封(feng)堵(du)作(zuo)用(yong)(yong)而(er)言，與(yu)封(feng)頭和管帽有(you)(you)相同的(de)(de)作(zuo)用(yong)(yong)。但是(shi)封(feng)頭是(shi)沒(mei)有(you)(you)辦法(fa)拆(chai)卸(xie)的(de)(de)，而(er)法(fa)蘭(lan)(lan)盲(mang)板(ban)(ban)(ban)(ban)是(shi)用(yong)(yong)螺(luo)栓固定的(de)(de)，很方便的(de)(de)拆(chai)卸(xie)的(de)(de)。法(fa)蘭(lan)(lan)盲(mang)板(ban)(ban)(ban)(ban)材(cai)質有(you)(you)碳鋼的(de)(de)，合金鋼 ...