High Quality Exhaust Duct Fire Damper, Vent Duct Dampers Get Stuck, Hvac Duct Dampers Suppliers in China

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air duct fire damper for Air Conditioning

  • air duct fire damper for Air Conditioning
  • air duct fire damper for Air Conditioning

air duct fire damper for Air Conditioning

    Unit Price: 10~22 USD
    Min. Order: 10 Piece/Pieces
    Packaging: According to the requirements of the products and customers, wooden pallets and winding film are used for packaging
    Transportation: Ocean,Land
    Place of Origin: China
    Supply Ability: Stock sufficient, can be customized according to customer needs.

Basic Info

Model No.: Circular Duct Series-009

Product Description

Back Draft Damper is commonly used in air conditioning or ventilation duct system. It is a device to prevent headwind. When the fan stops, the air duct Check Valve will automatically close without external force.

【Material】The backdraft damper is made of stainless steel and the internal blade is made of galvanized sheet.
【Installation】The backdraft damper is installed by pushing it into the ventilation pipe as far as it will go. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. This also applies to the vertical installation.
【Function】This airflow regulating backdraft shutter fits over the TD lip and is designed to improve ventilation by preventing air from re-circulating when the fans are not in use.
【Wide Application】 These backdraft dampers can be widely used in ACs, exhaust fans, extractors, range hoods, heating ducts, vents and Other residential, commercial and industrial applications.

Similarly, there are Ventilation Duct Dampers and Slide Gate.

Back Draft Damper2


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  Yantai Dongtai Stander Offshore Engineering Co., Ltd. is a joint-stock company restructured from a state-owned enterprise with a registered capital of 19.6 million yuan and a plant area of nearly 5000 square meters. It has a solid production foundation and strong technical force.
Our company is committed to the design and development of ventilation pipe fittings, production and manufacturing, installation and commissioning, after-sales service in one of the integrated enterprises.
Main products are spiral duct, duct silencer, air conditioning door and Other ventilation pipe fittings and accessories.
The company has rich experience in project management, specializing in the production and site construction of HVAC products for ships, offshore platforms and land use. We are committed to building a high-tech and innovative air conditioning and HVAC system integrator, adhering to the business philosophy of honesty and win-win cooperation.
Our mission is to create wealth for society and value for customers, so we will be your trustworthy partner.

Company Info

  • Representative: Zhao Xia
  • Product/Service: HVAC And Ancillary Accessories , Spiral Duct , Rectangular Duct , Stainless Steel Duct , Aluminum Duct , Ventilation system
  • Capital (Million US $): US$19.6 Million
  • Year Established: 2014
  • Total Annual Sales Volume (Million US $): US$5 Million - US$10 Million
  • Export Percentage: 31% - 40%
  • Total Annual Purchase Volume (Million US $): Below US$1 Million
  • No. of Production Lines: 3
  • No. of R&D Staff: 5 -10 People
  • No. of QC Staff: Fewer than 5 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 1,000-3,000 square meters
  • Factory Location: 28 Jinchuang Road, Penglai District, Yantai City, Shandong Province
  • Contact Person: Ms. zhaoxia
  • Tel: +86-0535-18605456751
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