帶頸平焊法蘭型式與尺寸及標記方法示例
一(yi)、帶(dai)頸平(ping)焊法蘭型式與尺(chi)(chi)寸(cun)1.用(yong)PN標記的帶(dai)頸平(ping)焊鋼制管法蘭 用(yong)PN標記的帶(dai)頸平(ping)焊鋼制管法蘭的密封(feng)面(mian)(mian)型式及適用(yong)的公(gong)稱壓力和公(gong)稱尺(chi)(chi)寸(cun)范圍見表(biao)(biao)6-64;用(yong)PN標記的帶(dai)頸平(ping)焊鋼制管法蘭的型式見圖(tu)6-26~圖(tu)6-30,法蘭密封(feng)面(mian)(mian)尺(chi)(chi)寸(cun)見表(biao)(biao)6-65,法蘭結構(gou)尺(chi)(chi)寸(cun)見表(biao)(biao)6-66~表(biao)(biao)...