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Quick Details

  • Place of Origin: Fujian, China (Mainland)
  • Brand Name: XMZXL
  • Model Number: ZXL-F11
  • Type: HVAC Systems
  • Material: Galvanised steel DX53D+Z275
  • Application: HVAC air duct systems
  • Size: 80~800mm
  • Color: Anodized Silver
  • Product name: Iris Control damper
  • Composition: Body and valve made of galvanice steel sheet
  • Function: Air flow regulator and measuring device for ducts
  • Temperature: -10~+80℃
  • Shape: Round
  • Control: Manual or motorized

Packaging & Delivery

Packaging Details Exported cartons and wooden pallet
Delivery Time 10 days after receipt of payment

Ventilation Circular Duct Air Volume Control Damper

Product Description


Galvanized steel IRIS air volume control damper of the diaphragm type with pressure measuring points.



It is an ideal air flow regulator and measuring device for circular ducts, the diaphragm valve ensures a perfect accordance between the diameter indication on the handle and the opening of the valve, in the fully open position the iris damper provides 100% free area with no contrl mechanism in the airstream allowing easy and effective cleaning of the duct work system.



Body and valve are made of galvanized steel DX53D + Z80 or DX53D + Z275 Seal ring is made of EPDM seal




Body and valve made of galvanice steel sheet

Plastic regulator nut with plastic key

Measuring point on either side of the valve for connection of manometer.

Sticker with selection graph, mentioning the air volume at the different opening positions of the valve and the according pressure level.

Flexible joints for air tightness when placed indside the duct.



* Galvanised steel DX53D+Z275

* Temperature: -10~+80℃

*  Function: Air flow regulator and measuring device for ducts

*  Size: customized made


Basic information:


HVAC systerms


Galvanised steel DX53D+Z275


80/ 100125150160200250300315400500630800mm or According to your requests


Logistics information:

Processing time

10days after receipt of payment



Supply ability

1000 pcs per month

Packing deytails

Exported cartons and wooden pallet.

Iris Control damper 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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