JBZQ 4483-2006 凸面钢制法兰盖(PN6.3)

免费标准下载网w.feebz.net)JB/ZQ 4483- -2006凸面钢制法兰盖(PN6.3)代替JB/ZQ 4483- -1997凸面钢制法兰盖的型式和尺寸见图1和表1。材料:Q235圈1标记示例:公称通径DN50的法兰盖:法兰盖50 JB/ZQ 4483- -2006表1mm公称通径dgDdbf质量,hgDN数量规格217.54010068244MI62.6325511078M203.24(125264.05(2:801351026:2220516012285.72151706.925020015830M2410.0295240184M27161503.34528021236M3023.52851M3339.74704001257.43005304604105281