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

Volume Control Damper, Air Vent, Round VCD manufacturer / supplier in China, offering Air Ventilation One Way Shutter Round Back Draught Damper, Round Swirl Air Diffuser, Air Conditioning Round Diffuser (SD-VC), Hot Selling HVAC Duct Square Diffuer, Supply Floor Air Diffuser and so on.

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

Air Ventilation One Way Shutter Round Back Draught Damper

Purchase Qty.:
10-99 100-999 1,000-1,499 1,500-1,999 2,000+
FOB Unit Price: US $7 US $5.5 US $3.41 US $2.84 US $2
Purchase Qty. (Pieces) FOB Unit Price
10-99 US $7
100-999 US $5.5
1,000-1,499 US $3.41
1,500-1,999 US $2.84
2,000+ US $2
Get Latest Price
Port: Shenzhen, China
Production Capacity: 50000 PCS/Week
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: BDD
  • Usage: for Air Conditioner
  • Shape: Round
  • Material Tickness: 0.6mm
  • Standard Sizes: Neck Size
  • Product Name: Back Draught Damper
  • Other Name: One Way Shutter
  • Sample: Available
  • Trademark: OEM
  • Specification: standard export packing
  • HS Code: 7616999000
  • Material: Galvanized Sheet
  • Application: Ventilation
  • Performance: Explosion
  • Materials: Gi Sheet
  • Cooling Method: Indirect Cooling
  • Related Product: Air Damper
  • Size: Diameter Size
  • Function: Adjust Air Flow
  • Transport Package: Carton Boxes
  • Origin: Guangdong, China
Product Description
Product Name: Back Draught Damper

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

1. The casing of the shutter is made of galvanized steel sheet. 
2.The blades are made of aluminium, shaft and spring are made of stainless steel. 
3.The inner rubber seal is used for better tightness and for noise reduction. 
4.The valve opens when overpressure occurs and closes by means of spring when the pressure drops 
5. It is recommended to install the shutter into horizontal ducting


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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