公称凸台法兰密度接管法兰颈法兰盖法兰盖理论直径（f2)7.85外径N厚度7.85重量1590144626.56 21.3309.63.850.912010018.55128.2626.93811.24.720.912511024.554210.0033.7 4912.75.701.14321153256211.01 42.45914.3 6.331.14401253860213.22 48.36515.9 7.511.81501504962218.53 60.37817.5 ...

时间:2024-12-23 16:13栏目:行业资料