平焊環板式松套法蘭型式尺寸與標記方法示例
一、平(ping)(ping)焊(han)(han)環(huan)板(ban)式(shi)松(song)套(tao)法(fa)蘭型式(shi)與尺(chi)(chi)寸(cun)用(yong)(yong)PN標(biao)記的(de)(de)平(ping)(ping)焊(han)(han)環(huan)板(ban)式(shi)松(song)套(tao)鋼(gang)制管法(fa)蘭的(de)(de)密封(feng)面(mian)(mian)型式(shi)及(ji)適用(yong)(yong)的(de)(de)公(gong)稱壓(ya)力(li)和公(gong)稱尺(chi)(chi)寸(cun)范圍見表(biao)6-124;用(yong)(yong)PN標(biao)記的(de)(de)平(ping)(ping)焊(han)(han)環(huan)板(ban)式(shi)松(song)套(tao)鋼(gang)制管法(fa)蘭的(de)(de)型式(shi)如圖(tu)6-56~圖(tu)6-59所示,法(fa)蘭密封(feng)面(mian)(mian)尺(chi)(chi)寸(cun)見表(biao)6-125,法(fa)蘭的(de)(de)結構尺(chi)(chi)寸(cun)見表(biao)6-126~表(biao)6-131。二、平(ping)(ping)焊(han)(han)...