Ventilation butterfly valve
Model：FDM Size：DN100DN5000 Working temperature：-30600C Rating ：PN16 Body material：Cast iron、Carbon steel、Stainless steel Stem：Stainless steel Disc：Cast iron、Carbon steel、Stainless steel End Connection：Flang Fluid：...
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Model：FDM
Size：DN100—DN5000
Working temperature：-30—600°C
Rating ：PN16
Body material：Cast iron、Carbon steel、Stainless steel
Stem：Stainless steel
Disc：Cast iron、Carbon steel、Stainless steel
End Connection：Flang
Fluid： Air and gas medium.
