Double Flange Gas Duct Butterfly Damper

  • Double Flange Gas Duct Butterfly Damper
  • Double Flange Gas Duct Butterfly Damper
  • Double Flange Gas Duct Butterfly Damper
  • Double Flange Gas Duct Butterfly Damper
Double Flange Gas Duct Butterfly Damper
  • THT
  • Tianjin, China
  • 25 days
  • 2000

1. Suitable for coal powder, smoke, dust, gas and other media

2. Double Flange Gas Duct Butterfly Damper has common type and wear-resistant type for users to choose, to ensure the requirements of different working conditions and improve the service life of air door.

3. Double Flange Gas Duct Butterfly Damper is available from single axis to more than one axis.

4. Double Flange Gas Duct Butterfly Damper can be driven by manual, peumatic and electric drive.

Double Flange Gas Duct Butterfly Damper


The Double Flange Gas Duct Butterfly Damper is used in the dust containing cold air or hot air gas pipeline of ventilation and environmental protection engineering in chemical industry, building materials, power station, glass and other industries. It is used as the pipeline control device for regulating the flow of gas medium or cutting off.


  • Suitable medium: Air, flue gas, dust gas, combustible gas

  • Working pressure:0.1Mpa, 0.2Mpa, 0.25Mpa

  • Suitable temperature: ≤425℃


DN100-DN4800

EN1092 PN2.5 PN6 PN10 

ASME B16.5 150LB

JIS-5K 10K

Other end connection on request


double flange damper

BodyCarbon steel
DiscCarbon steel
Stem2Cr13
OperatorElectric actuator


Duct Butterfly Damper


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