Which air duct valve should be chosen for DN450? See the figure
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The fan pressure is 1700, and the air volume is 8280
Butterfly valves are too bulky; the gases involved are hydrogen sulfide and carbon disulfide, so the valves chosen are made of 316L material or non-metallic materials
Generally, it is a butterfly valve, or a gate valve can also be chosen.
If butterfly valves are still considered too bulky, then there are no valves left that can be used
We will use the DN500 pneumatic butterfly valve D643H-10C
The DN450 butterfly valve isn’t considered large; a gate valve can also be used