Gold Member Since 2013
Audited Supplier
Foshan Shunde Ventech Ventilation Co., Ltd.

One Way Shutter, Back Draught Damper, Round Damper manufacturer / supplier in China, offering Ventilation Back Draught Damper One Way Shutter, Round Steel Volume Control Damper for Flexible Duct, Air Conditioning Supply Aluminum Air Grille Linear Diffuser and so on.

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Supplier Homepage Product OBD damper Ventilation Back Draught Damper One Way Shutter

Ventilation Back Draught Damper One Way Shutter

Purchase Qty.:
10-99 100-999 1,000-1,499 1,500-1,999 2,000+
FOB Unit Price: US $5 US $3 US $2.2 US $1.8 US $1.2
Purchase Qty. (Pieces) FOB Unit Price
10-99 US $5
100-999 US $3
1,000-1,499 US $2.2
1,500-1,999 US $1.8
2,000+ US $1.2
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Port: Shunde, China
Production Capacity: 50000piesc/Week
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: BDD-VA
  • Usage: for Air Conditioner
  • Shape: Round
  • Material Tickness: 0.6mm
  • Standard Sizes: Neck Size
  • Sample: Available
  • Other Name: One Way Shutter
  • Transport Package: Carton Boxes
  • Origin: Guangdong, China
  • Material: Galvanized Sheet
  • Application: Air Outlet
  • Performance: Adjust Air Flow
  • Materials: Gi Sheet
  • Cooling Method: Indirect Cooling
  • Relative Product: Oppose Blade Damper
  • Trademark: OEM
  • Specification: round shape with different size
  • HS Code: 7616999000
Product Description

Round Volume Control Damper/ One way shutter/ Back Draught Damper

1. This damper is suitable for regulating or shutting off the airflow in air ducts with circular cross-sections.
2. The damper is constructed with galvanized steel collar and light-weight aluminum blades.
3. Designed for vertical or horizontal mount
4. Spring-loaded for positive closure
5. One-way directional airflow design

1.Made of high quality gi sheet with thickness 0.6mm.
2.Used on round duct systems to adjust air volume.
3.Standard neck sizes:100mm, 125mm, 150mm, 160mm, 200mm, 250mm, 315mm


Since the day of establishment, VENTECH has built a reputation for going above and beyond to give you the best air you deserve. To us, it's not just about heating and cooling, but providing products you can reply on and service you can trust.
Heating and cooling account for more than half the energy use in average buildings- so and efficient system can save you money while keeping you and the business building comfortable.VENTECH offers reliable heating and cooling products with wide range of effiency ratings, so you can pick the right solution that pays you back in lower utility costs. Higher-efficency systems may even qualify  for potential utility rebates and other incentives in your own country, so you can start saving right away. Energy efficient systems aren't just good for your wallet- they can result in a reduced carbon footprint, since they use fewer natural resources.


* VENTECH is the leader of air diffusion technology .We concerntration on high quality and competitive price.We have strict qualtiy control process,and every product is hand inspected to ensure it will be in good quality condition .
* VENTECH will work to develop new design and technologies to achieve better product performance,easier to install and higher quanlty year on year .
* VENTECH personnel will always cooperate with the customer to make doing business together and efficient ,fast and pleasant experience .
* VENTECH is you best choice ,we are ready to cooperate with you to provide a comfortable way of handling air.
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