盲板(ban)

盲(mang)(mang)板(ban)(ban)(ban)：法(fa)(fa)蘭(lan)盲(mang)(mang)板(ban)(ban)(ban)，亦稱盲(mang)(mang)法(fa)(fa)蘭(lan)，實名(ming)叫盲(mang)(mang)板(ban)(ban)(ban)。是(shi)(shi)法(fa)(fa)蘭(lan)的(de)(de)(de)一種(zhong)(zhong)連(lian)接(jie)形(xing)式。盲(mang)(mang)板(ban)(ban)(ban)是(shi)(shi)中(zhong)間不帶孔(kong)的(de)(de)(de)法(fa)(fa)蘭(lan)，供封(feng)住(zhu)管道(dao)(dao)(dao)堵(du)頭用(yong)(yong)。密封(feng)面(mian)的(de)(de)(de)形(xing)式種(zhong)(zhong)類較多，有(you)平(ping)面(mian)、凸(tu)面(mian)、凹凸(tu)面(mian)、榫槽面(mian)、環連(lian)接(jie)面(mian)。其功能之一是(shi)(shi)封(feng)堵(du)住(zhu)管道(dao)(dao)(dao)的(de)(de)(de)末端，其二是(shi)(shi)有(you)可(ke)以(yi)在檢修時方(fang)便清(qing)除管道(dao)(dao)(dao)中(zhong)的(de)(de)(de)雜(za)物(wu)的(de)(de)(de)作用(yong)(yong)。就封(feng)堵(du)作用(yong)(yong)而言，與封(feng)頭和管帽有(you)相同的(de)(de)(de)作用(yong)(yong)。但是(shi)(shi)封(feng)頭是(shi)(shi)沒有(you)辦法(fa)(fa)拆卸的(de)(de)(de)，而法(fa)(fa)蘭(lan)盲(mang)(mang)板(ban)(ban)(ban)是(shi)(shi)用(yong)(yong)螺(luo)栓(shuan)固定的(de)(de)(de)，很方(fang)便的(de)(de)(de)拆卸的(de)(de)(de)。法(fa)(fa)蘭(lan)盲(mang)(mang)板(ban)(ban)(ban)材質有(you)碳鋼的(de)(de)(de)，合(he)金鋼 ...