盲板

盲(mang)板(ban)(ban)：法蘭(lan)(lan)(lan)盲(mang)板(ban)(ban)，亦稱盲(mang)法蘭(lan)(lan)(lan)，實(shi)名(ming)叫(jiao)盲(mang)板(ban)(ban)。是(shi)法蘭(lan)(lan)(lan)的一(yi)種(zhong)連接形(xing)式。盲(mang)板(ban)(ban)是(shi)中(zhong)間不帶孔(kong)的法蘭(lan)(lan)(lan)，供封住管(guan)道堵(du)頭(tou)用(yong)。密封面(mian)(mian)(mian)的形(xing)式種(zhong)類較多(duo)，有(you)平面(mian)(mian)(mian)、凸面(mian)(mian)(mian)、凹凸面(mian)(mian)(mian)、榫槽(cao)面(mian)(mian)(mian)、環連接面(mian)(mian)(mian)。其功能之(zhi)一(yi)是(shi)封堵(du)住管(guan)道的末端，其二是(shi)有(you)可以在檢修時(shi)方(fang)(fang)便(bian)清除(chu)管(guan)道中(zhong)的雜(za)物的作用(yong)。就封堵(du)作用(yong)而言，與封頭(tou)和(he)管(guan)帽有(you)相同的作用(yong)。但是(shi)封頭(tou)是(shi)沒有(you)辦法拆(chai)(chai)卸(xie)的，而法蘭(lan)(lan)(lan)盲(mang)板(ban)(ban)是(shi)用(yong)螺栓(shuan)固定的，很方(fang)(fang)便(bian)的拆(chai)(chai)卸(xie)的。法蘭(lan)(lan)(lan)盲(mang)板(ban)(ban)材質有(you)碳鋼的，合金鋼 ...