盲板

盲(mang)(mang)板(ban)(ban)：法蘭(lan)盲(mang)(mang)板(ban)(ban)，亦稱盲(mang)(mang)法蘭(lan)，實名叫盲(mang)(mang)板(ban)(ban)。是(shi)(shi)(shi)法蘭(lan)的一種(zhong)(zhong)連接形式。盲(mang)(mang)板(ban)(ban)是(shi)(shi)(shi)中間(jian)不帶孔的法蘭(lan)，供封(feng)住(zhu)管道(dao)堵(du)(du)頭(tou)用(yong)(yong)。密封(feng)面(mian)的形式種(zhong)(zhong)類較多，有平面(mian)、凸面(mian)、凹凸面(mian)、榫槽面(mian)、環連接面(mian)。其(qi)功能之(zhi)一是(shi)(shi)(shi)封(feng)堵(du)(du)住(zhu)管道(dao)的末(mo)端(duan)，其(qi)二是(shi)(shi)(shi)有可以在檢修時方便(bian)清除管道(dao)中的雜(za)物的作用(yong)(yong)。就(jiu)封(feng)堵(du)(du)作用(yong)(yong)而(er)言，與封(feng)頭(tou)和管帽有相同(tong)的作用(yong)(yong)。但是(shi)(shi)(shi)封(feng)頭(tou)是(shi)(shi)(shi)沒有辦法拆卸的，而(er)法蘭(lan)盲(mang)(mang)板(ban)(ban)是(shi)(shi)(shi)用(yong)(yong)螺栓(shuan)固定的，很方便(bian)的拆卸的。法蘭(lan)盲(mang)(mang)板(ban)(ban)材質有碳鋼的，合金鋼 ...