盲(mang)板

盲(mang)(mang)板(ban)(ban)(ban)：法蘭(lan)(lan)(lan)盲(mang)(mang)板(ban)(ban)(ban)，亦(yi)稱盲(mang)(mang)法蘭(lan)(lan)(lan)，實名(ming)叫盲(mang)(mang)板(ban)(ban)(ban)。是(shi)法蘭(lan)(lan)(lan)的(de)(de)一(yi)種(zhong)連接(jie)形式。盲(mang)(mang)板(ban)(ban)(ban)是(shi)中間不帶孔的(de)(de)法蘭(lan)(lan)(lan)，供封住管道堵(du)頭(tou)用(yong)(yong)(yong)。密封面(mian)(mian)(mian)的(de)(de)形式種(zhong)類(lei)較(jiao)多，有平面(mian)(mian)(mian)、凸(tu)面(mian)(mian)(mian)、凹凸(tu)面(mian)(mian)(mian)、榫槽面(mian)(mian)(mian)、環連接(jie)面(mian)(mian)(mian)。其功(gong)能之一(yi)是(shi)封堵(du)住管道的(de)(de)末端(duan)，其二是(shi)有可以在檢修時方便清除管道中的(de)(de)雜物的(de)(de)作用(yong)(yong)(yong)。就封堵(du)作用(yong)(yong)(yong)而言，與封頭(tou)和管帽有相同(tong)的(de)(de)作用(yong)(yong)(yong)。但(dan)是(shi)封頭(tou)是(shi)沒有辦法拆卸的(de)(de)，而法蘭(lan)(lan)(lan)盲(mang)(mang)板(ban)(ban)(ban)是(shi)用(yong)(yong)(yong)螺栓固(gu)定(ding)的(de)(de)，很方便的(de)(de)拆卸的(de)(de)。法蘭(lan)(lan)(lan)盲(mang)(mang)板(ban)(ban)(ban)材質(zhi)有碳鋼的(de)(de)，合金鋼 ...