1. Frame : ASTM/KS Material
2. Flange : Channel/Anglel
3. Blade : Double-Layer
4. Seal : C-276/A-59
5 .Tightness : 99.9%
6. Actuator : Pneumatic/Electric
7. Application : FGD, DeNOx, Boiler Other Industial Plants.
8. Leak Zero Damper (with sealing air)
9. Compared to Tandem Damper, it has higher pressure drop and larger installation space
10. Pallaral Operating, Isolation Function
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