盲板

盲(mang)板(ban)(ban)：法(fa)(fa)(fa)(fa)蘭(lan)盲(mang)板(ban)(ban)，亦稱盲(mang)法(fa)(fa)(fa)(fa)蘭(lan)，實名叫(jiao)盲(mang)板(ban)(ban)。是(shi)(shi)法(fa)(fa)(fa)(fa)蘭(lan)的(de)(de)一(yi)種連(lian)接形式。盲(mang)板(ban)(ban)是(shi)(shi)中(zhong)間不帶孔的(de)(de)法(fa)(fa)(fa)(fa)蘭(lan)，供封(feng)住(zhu)管(guan)(guan)(guan)(guan)道堵(du)頭(tou)用(yong)(yong)。密封(feng)面(mian)(mian)(mian)(mian)的(de)(de)形式種類較多，有(you)平面(mian)(mian)(mian)(mian)、凸面(mian)(mian)(mian)(mian)、凹凸面(mian)(mian)(mian)(mian)、榫槽(cao)面(mian)(mian)(mian)(mian)、環(huan)連(lian)接面(mian)(mian)(mian)(mian)。其(qi)(qi)功(gong)能之一(yi)是(shi)(shi)封(feng)堵(du)住(zhu)管(guan)(guan)(guan)(guan)道的(de)(de)末(mo)端，其(qi)(qi)二(er)是(shi)(shi)有(you)可以在(zai)檢修時方便(bian)清除管(guan)(guan)(guan)(guan)道中(zhong)的(de)(de)雜物的(de)(de)作(zuo)用(yong)(yong)。就封(feng)堵(du)作(zuo)用(yong)(yong)而言，與封(feng)頭(tou)和(he)管(guan)(guan)(guan)(guan)帽(mao)有(you)相同的(de)(de)作(zuo)用(yong)(yong)。但(dan)是(shi)(shi)封(feng)頭(tou)是(shi)(shi)沒有(you)辦法(fa)(fa)(fa)(fa)拆(chai)卸(xie)的(de)(de)，而法(fa)(fa)(fa)(fa)蘭(lan)盲(mang)板(ban)(ban)是(shi)(shi)用(yong)(yong)螺栓(shuan)固定的(de)(de)，很方便(bian)的(de)(de)拆(chai)卸(xie)的(de)(de)。法(fa)(fa)(fa)(fa)蘭(lan)盲(mang)板(ban)(ban)材質有(you)碳鋼(gang)的(de)(de)，合(he)金鋼(gang) ...