盲板(ban)

盲(mang)板(ban)(ban)：法蘭盲(mang)板(ban)(ban)，亦稱盲(mang)法蘭，實名(ming)叫盲(mang)板(ban)(ban)。是(shi)法蘭的一種(zhong)連(lian)接形式(shi)。盲(mang)板(ban)(ban)是(shi)中間不帶孔的法蘭，供封(feng)住(zhu)管道(dao)堵(du)(du)頭用。密封(feng)面(mian)(mian)的形式(shi)種(zhong)類較多，有平面(mian)(mian)、凸面(mian)(mian)、凹凸面(mian)(mian)、榫槽面(mian)(mian)、環(huan)連(lian)接面(mian)(mian)。其功能之一是(shi)封(feng)堵(du)(du)住(zhu)管道(dao)的末端，其二是(shi)有可以(yi)在檢修(xiu)時(shi)方便清除管道(dao)中的雜物的作用。就(jiu)封(feng)堵(du)(du)作用而言，與(yu)封(feng)頭和管帽(mao)有相(xiang)同的作用。但是(shi)封(feng)頭是(shi)沒有辦法拆卸(xie)的，而法蘭盲(mang)板(ban)(ban)是(shi)用螺栓(shuan)固(gu)定的，很方便的拆卸(xie)的。法蘭盲(mang)板(ban)(ban)材質有碳鋼的，合金鋼 ...