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Quick Details

  • Place of Origin: Fujian, China (Mainland)
  • Brand Name: XMZXL
  • Model Number: ZXL-FF-005
  • Type: HVAC Systems
  • Material: Galvanized sheet
  • Application: HVAC air duct systems
  • Size: 100,150,200,250,300,350,400mm or Customized
  • Color: Anodized Silver
  • Product name: Non-return damper/backdraft damper
  • Accessories: Motor/Actuator/Handler/Controller
  • Function: Return Air Ventilation
  • Relative product: Backdraft Damper
  • Installation: HVAC air conditioning duct
  • Surface finish: Mill finish

Packaging & Delivery

Packaging Details 10PCS/CTN
Inner PVC bags
Outer strong cartons and wooden pallet
Delivery Time Shipped in 7 days after payment

Galvanized sheet round air non-return backdraft damper

Product Description


The electrical control damper shall be installed in the places of  fresh air,supply air,return air and exhaust air,and its openness and operating are subject to the signal from DDC after analyzing the internal and external temperatures for the purpose of energy saving.


Operation and maintenance and train manual  

It is installed in Chiller room and interlocked with axial fan.In Summer,when the axial fans are running,the damper are also running to exhaust the air produced by chillers;in Winter,the axial fan don't run ,and  the dampers also stay closed to keep the temperature insides.



*  Galvanized steel

*  Thickness: 0.6mm

*  Round volume control  damper for air duct systems

*  Size: customized made


Basic information:


  Air conditioning


 Stainless steel


 100,150,200,250,300,350,400mm or According to your requests


Logistics information:

 Processing time

 7 days after receipt of payment



 Supply ability

 5000 pcs per month

 Packing deytails

 Exported cartons and wooden pallet.

 Round volume control damper and one way shutter are well packed .







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China (Mainland)
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19 Transactions 50,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $300,000
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