盲板

盲板(ban)(ban)(ban)(ban)：法蘭(lan)盲板(ban)(ban)(ban)(ban)，亦稱(cheng)盲法蘭(lan)，實名(ming)叫盲板(ban)(ban)(ban)(ban)。是(shi)(shi)法蘭(lan)的(de)(de)一種(zhong)(zhong)連接(jie)形式。盲板(ban)(ban)(ban)(ban)是(shi)(shi)中間(jian)不帶孔的(de)(de)法蘭(lan)，供封(feng)(feng)住管道堵頭(tou)用(yong)(yong)。密(mi)封(feng)(feng)面(mian)(mian)的(de)(de)形式種(zhong)(zhong)類較多，有平面(mian)(mian)、凸面(mian)(mian)、凹(ao)凸面(mian)(mian)、榫槽面(mian)(mian)、環連接(jie)面(mian)(mian)。其功能之一是(shi)(shi)封(feng)(feng)堵住管道的(de)(de)末(mo)端(duan)，其二是(shi)(shi)有可以在檢修時方(fang)便清除管道中的(de)(de)雜物的(de)(de)作用(yong)(yong)。就封(feng)(feng)堵作用(yong)(yong)而言，與封(feng)(feng)頭(tou)和(he)管帽有相同(tong)的(de)(de)作用(yong)(yong)。但(dan)是(shi)(shi)封(feng)(feng)頭(tou)是(shi)(shi)沒有辦法拆卸(xie)的(de)(de)，而法蘭(lan)盲板(ban)(ban)(ban)(ban)是(shi)(shi)用(yong)(yong)螺栓固(gu)定的(de)(de)，很(hen)方(fang)便的(de)(de)拆卸(xie)的(de)(de)。法蘭(lan)盲板(ban)(ban)(ban)(ban)材質有碳鋼的(de)(de)，合金鋼 ...