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Air dampers
 round air non-return backdraft damper
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Galvanized sheet round air non-return backdraft damper

Non-Return Damper is used for preventing the reverse of air-flow in circular reduction systems
  • lead time:

    15 - 25 days since received deposit
  • product orgin:

    Fujian, China (Mainland)
  • brand:

    XMZXL
  • shipping port:

    XiaMen
  • payment:

    L/C,T/T,Western Union
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features

Galvanized sheet round air non-return backdraft damper is used for preventing the reverse of air-flow in circular reduction systems. It with a inner foam seal for better tightness and noise reduction. The Non-Return Damper opens when overpressure occurs and closes by means of spring when the pressure drops. It’s recommended to install the shutter into horizontal ducting.


Product Name
Galvanized air duct round Non-Return Damper
Metal Materia
made by Galvanized Steel, Blades made by Aluminum
Diameter
100,150,200,250,300,350,400mm or According to your requests
Shape
Round


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