盲板

盲(mang)(mang)板(ban)(ban)(ban)：法蘭(lan)(lan)(lan)盲(mang)(mang)板(ban)(ban)(ban)，亦稱盲(mang)(mang)法蘭(lan)(lan)(lan)，實名叫盲(mang)(mang)板(ban)(ban)(ban)。是(shi)(shi)(shi)法蘭(lan)(lan)(lan)的(de)一種連接形式。盲(mang)(mang)板(ban)(ban)(ban)是(shi)(shi)(shi)中間不帶孔的(de)法蘭(lan)(lan)(lan)，供封(feng)(feng)住(zhu)管(guan)道堵(du)頭用(yong)。密封(feng)(feng)面(mian)的(de)形式種類較(jiao)多，有平(ping)面(mian)、凸(tu)面(mian)、凹凸(tu)面(mian)、榫槽面(mian)、環連接面(mian)。其功能之(zhi)一是(shi)(shi)(shi)封(feng)(feng)堵(du)住(zhu)管(guan)道的(de)末端，其二是(shi)(shi)(shi)有可(ke)以在檢修時方(fang)便(bian)清除管(guan)道中的(de)雜物(wu)的(de)作用(yong)。就封(feng)(feng)堵(du)作用(yong)而言，與封(feng)(feng)頭和(he)管(guan)帽(mao)有相同的(de)作用(yong)。但是(shi)(shi)(shi)封(feng)(feng)頭是(shi)(shi)(shi)沒有辦法拆(chai)卸的(de)，而法蘭(lan)(lan)(lan)盲(mang)(mang)板(ban)(ban)(ban)是(shi)(shi)(shi)用(yong)螺(luo)栓固(gu)定的(de)，很方(fang)便(bian)的(de)拆(chai)卸的(de)。法蘭(lan)(lan)(lan)盲(mang)(mang)板(ban)(ban)(ban)材質有碳鋼的(de)，合金鋼 ...