盲板

盲(mang)(mang)板(ban)(ban)(ban)：法(fa)蘭(lan)盲(mang)(mang)板(ban)(ban)(ban)，亦(yi)稱(cheng)盲(mang)(mang)法(fa)蘭(lan)，實名(ming)叫盲(mang)(mang)板(ban)(ban)(ban)。是(shi)(shi)法(fa)蘭(lan)的一種連(lian)接(jie)形式(shi)。盲(mang)(mang)板(ban)(ban)(ban)是(shi)(shi)中間不帶孔(kong)的法(fa)蘭(lan)，供封(feng)(feng)住(zhu)管道堵(du)頭(tou)用(yong)。密(mi)封(feng)(feng)面(mian)(mian)的形式(shi)種類較多，有(you)平面(mian)(mian)、凸面(mian)(mian)、凹凸面(mian)(mian)、榫(sun)槽面(mian)(mian)、環連(lian)接(jie)面(mian)(mian)。其(qi)功能之一是(shi)(shi)封(feng)(feng)堵(du)住(zhu)管道的末端，其(qi)二是(shi)(shi)有(you)可以在檢修時方(fang)便清除管道中的雜物的作用(yong)。就(jiu)封(feng)(feng)堵(du)作用(yong)而言，與(yu)封(feng)(feng)頭(tou)和管帽有(you)相(xiang)同的作用(yong)。但是(shi)(shi)封(feng)(feng)頭(tou)是(shi)(shi)沒(mei)有(you)辦法(fa)拆(chai)卸的，而法(fa)蘭(lan)盲(mang)(mang)板(ban)(ban)(ban)是(shi)(shi)用(yong)螺栓固定的，很方(fang)便的拆(chai)卸的。法(fa)蘭(lan)盲(mang)(mang)板(ban)(ban)(ban)材質有(you)碳鋼的，合金鋼 ...