盲板

盲(mang)(mang)板(ban)(ban)(ban)(ban)：法(fa)(fa)蘭(lan)盲(mang)(mang)板(ban)(ban)(ban)(ban)，亦稱盲(mang)(mang)法(fa)(fa)蘭(lan)，實(shi)名叫盲(mang)(mang)板(ban)(ban)(ban)(ban)。是法(fa)(fa)蘭(lan)的一(yi)種連(lian)接(jie)形(xing)式。盲(mang)(mang)板(ban)(ban)(ban)(ban)是中(zhong)間不帶孔的法(fa)(fa)蘭(lan)，供封(feng)(feng)(feng)(feng)住管(guan)(guan)道堵頭用(yong)。密封(feng)(feng)(feng)(feng)面的形(xing)式種類較(jiao)多，有平面、凸(tu)面、凹(ao)凸(tu)面、榫槽面、環連(lian)接(jie)面。其功能之一(yi)是封(feng)(feng)(feng)(feng)堵住管(guan)(guan)道的末端，其二是有可(ke)以在(zai)檢修(xiu)時方(fang)便清除管(guan)(guan)道中(zhong)的雜物的作(zuo)用(yong)。就封(feng)(feng)(feng)(feng)堵作(zuo)用(yong)而(er)言(yan)，與封(feng)(feng)(feng)(feng)頭和管(guan)(guan)帽有相同的作(zuo)用(yong)。但是封(feng)(feng)(feng)(feng)頭是沒有辦法(fa)(fa)拆卸(xie)的，而(er)法(fa)(fa)蘭(lan)盲(mang)(mang)板(ban)(ban)(ban)(ban)是用(yong)螺栓固定(ding)的，很方(fang)便的拆卸(xie)的。法(fa)(fa)蘭(lan)盲(mang)(mang)板(ban)(ban)(ban)(ban)材質有碳鋼的，合金鋼 ...