J40H-150Lb-DN15,J40H-150Lb-DN20,J40H-150Lb-DN25,J40H-150Lb-DN32,美标法兰截止阀
Enhanced Flexible Graphite
SFB/260
SFP/260
PTFE
425
水 蒸汽 油品
Water
Steam
Petroleum
Products


WC1
38CrMoAl 25Cr2MoV
425


WC6
540


WC9
570


C5 C12
540



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