盲(mang)板(ban)

盲(mang)板(ban)(ban)(ban)：法(fa)(fa)(fa)(fa)蘭(lan)盲(mang)板(ban)(ban)(ban)，亦稱(cheng)盲(mang)法(fa)(fa)(fa)(fa)蘭(lan)，實名叫盲(mang)板(ban)(ban)(ban)。是(shi)法(fa)(fa)(fa)(fa)蘭(lan)的(de)一種(zhong)連接形(xing)式(shi)。盲(mang)板(ban)(ban)(ban)是(shi)中間不帶(dai)孔的(de)法(fa)(fa)(fa)(fa)蘭(lan)，供封(feng)(feng)(feng)住管(guan)(guan)道(dao)堵(du)頭用(yong)(yong)(yong)。密封(feng)(feng)(feng)面的(de)形(xing)式(shi)種(zhong)類較多，有平面、凸(tu)面、凹凸(tu)面、榫槽面、環連接面。其功能之一是(shi)封(feng)(feng)(feng)堵(du)住管(guan)(guan)道(dao)的(de)末端，其二是(shi)有可(ke)以在檢修(xiu)時方便(bian)清除管(guan)(guan)道(dao)中的(de)雜物的(de)作用(yong)(yong)(yong)。就封(feng)(feng)(feng)堵(du)作用(yong)(yong)(yong)而言，與封(feng)(feng)(feng)頭和管(guan)(guan)帽有相(xiang)同的(de)作用(yong)(yong)(yong)。但是(shi)封(feng)(feng)(feng)頭是(shi)沒有辦法(fa)(fa)(fa)(fa)拆卸(xie)的(de)，而法(fa)(fa)(fa)(fa)蘭(lan)盲(mang)板(ban)(ban)(ban)是(shi)用(yong)(yong)(yong)螺栓固定的(de)，很方便(bian)的(de)拆卸(xie)的(de)。法(fa)(fa)(fa)(fa)蘭(lan)盲(mang)板(ban)(ban)(ban)材質有碳鋼(gang)(gang)的(de)，合金鋼(gang)(gang) ...