盲(mang)板(ban)

盲(mang)(mang)板(ban)(ban)：法(fa)蘭(lan)(lan)盲(mang)(mang)板(ban)(ban)，亦稱盲(mang)(mang)法(fa)蘭(lan)(lan)，實名叫(jiao)盲(mang)(mang)板(ban)(ban)。是(shi)(shi)(shi)法(fa)蘭(lan)(lan)的一(yi)種連接形式。盲(mang)(mang)板(ban)(ban)是(shi)(shi)(shi)中(zhong)間不帶孔(kong)的法(fa)蘭(lan)(lan)，供封住(zhu)(zhu)管(guan)道(dao)堵頭(tou)用(yong)(yong)。密封面的形式種類(lei)較多，有平面、凸面、凹凸面、榫槽面、環(huan)連接面。其(qi)功能之一(yi)是(shi)(shi)(shi)封堵住(zhu)(zhu)管(guan)道(dao)的末端，其(qi)二是(shi)(shi)(shi)有可以在檢修(xiu)時方便(bian)清除管(guan)道(dao)中(zhong)的雜物的作用(yong)(yong)。就(jiu)封堵作用(yong)(yong)而(er)言，與封頭(tou)和管(guan)帽有相同的作用(yong)(yong)。但是(shi)(shi)(shi)封頭(tou)是(shi)(shi)(shi)沒有辦(ban)法(fa)拆卸(xie)(xie)的，而(er)法(fa)蘭(lan)(lan)盲(mang)(mang)板(ban)(ban)是(shi)(shi)(shi)用(yong)(yong)螺栓固定的，很方便(bian)的拆卸(xie)(xie)的。法(fa)蘭(lan)(lan)盲(mang)(mang)板(ban)(ban)材質有碳鋼的，合金(jin)鋼 ...