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The Best 6 inch backdraft damper of 2023 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best 6 inch backdraft damper of 2023. Check our ranking below.
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- 【Material】The 6 inch backdraft damper is made of a Galvanized steel, the flap leaves are made of aluminum
- 【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
- 【Note】Back draught valves can be inserted into ventilation ducts which are flexible or non flexible. Cannot be used with plastic ducts as the sizes are different. All dimensions are measured manually, please allow 1-3mm differences
- An antidraft duct insert designed for use with range hoods, bathroom fans and other home HVAC applications.
- Features outer rubber gaskets that create an airtight seal and grip between the damper and ducts.
- Mounts horizontally or vertically to prevent backflow and debris from entering ducting.
- Galvanized steel body with spring-loaded aluminum damper blades that open with minimal airflow.
- Fit for 6 in. Duct Openings | Product Length: 5.03 inches | Finish: Powder Coat
![[Upgraded] Hon&Guan 6 Inch Backdraft Damper, One-Way Airflow Duct Damper 6 Inch Ducting Insert Backflow Preventer Duct Draft Blocker](https://m.media-amazon.com/images/I/41FzlhtoslL._SL160_.jpg)
- 【Upgrade design】 The 6 inch damper on both sides of the top and bottom of the two new concave inward pressure rib, and increase the thickness to 0.6mm, and 2 springs instead of 1 spring in the market, ensuring that the product is more robust and less prone to damage
- 【Quality Material】The 6 inch backdraft damper is made of a galvanized steel to withstand temperatures up to 140°F, the axis are made of aluminum, while the spring are made of carbon steel. Rugged and corrosion-resistant to keep you venting smoothly
- 【Installation method】The vent damper 6 inch has an opening of 150 mm and a length of 88 mm. When installed horizontally, the spring should be positioned horizontally so that it can be opened and closed optimally.
- 【Wide Applications】The 6 inch duct draft blocker valves can be inserted into ventilation dryer vent hose. Designed for use with range hoods, bathroom fans, kitchen and other home HVAC applications
- 【Lightweight valve wings】The valve wings open under the pressure created by the airflow; when the air flows in the opposite direction, it is automatically closed under the action of the spring, so as to cut off the flow. Rubber ring ensure 100% closure and quiet closing.
- 【Quality Material】The backdraft damper is made of galvanized steel, the flap leaves are made of aluminu, and the axis and spring are made of stainless steel, which can withstand temperatures up to 50°C
- 【Practical Features】The air duct choke prevents cold air or wind from entering the ventilation duct. The backflow flap opens and closes automatically at low air volumes. The valve is equipped with a smooth-running spring and a rubber gasket that create an airtight seal and grip between the damper and ducts
- 【Easy Installation 】The backflow prevention valve is installed by pushing it into the ventilation duct to make it as mobile as possible. When the valve flap is installed horizontally, the position of the spring should be horizontal so that the valve flap can be opened and closed optimally. This also applies to vertical installation. Same for vertical installation
- 【Multiple Usages】The draft blocker is designed for use in AC, dryer vent, exhaust, extractor or range hoods, heating systems, fans, vents and other residential, commercial and industrial HVAC applications. The back draft damper can be inserted into a flexible or non-flexible ventilation duct
- 【Needs Attention 】This airflow regulating backdraft shutter is installed on the TD lip to improve ventilation by preventing air circulation when the fan is not in use. Plastic pipes are of different sizes and cannot be used with plastic pipes
- Effective Airflow Control: ATOM NEXUS backdraft damper is designed to permit airflow in one direction and prevent it from reversing, thus optimizing the efficiency of the ventilation system, and helping you maintain the best air quality.
- Superior Durability: Crafted with high-quality galvanized steel, the backdraft damper boasts excellent corrosion resistance, heat resistance, and rust prevention, ensures durability and long-lasting performance.
- Lightweight Blade: Aluminum butterfly damper blades with lightweight springs can fold with minimal airflow. The backflow flap closes automatically at low air volumes, enhancing its reliability.
- Easy Installation: Simply insert the backdraft damper into the air duct for effortless installation. It prevents backflow and debris whether mounted horizontally or vertically. For optimal operation, position the spring horizontally when installed.
- Wide application: Fits for 6-inch duct openings. Product Length: 5.11 inches. This draft blocker can easily be inserted into either flexible or non-flexible ventilation ducts. Ideal for range hoods, bathroom exhaust fans, kitchen ventilation, as well as other home HVAC systems.
Last update on 2025-07-03 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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- Specifications: How powerful they are can be measured.
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- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 6 inch backdraft damper.
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FAQ:
Q: What is the purpose of a damper in a HVAC system?
A: A zone damper (also known as a Volume Control Damper or VCD) is used specifically to control the flow of air in an HVAC heating or cooling system. HVAC systems are typically divided up into multiple zones. This will allow users of the system to direct heat or cool air to areas high occupancy areas, allowing the unoccupied areas to cool down.
Q: What is the use of damper?
A: A damper is sometimes used to cut off central air conditioning (heating or cooling) to an unused room, or to regulate it for room-by-room temperature and climate control. Its operation can be manual or automatic. Manual dampers are turned by a handle on the outside of a duct.
Q: What does the exhaust damper do?
A: However, the exhaust damper does not only release the gases and smoke, it also serves the dual function of leaving a gap that needs to be filled . This creates an airflow where the gas is released from the exhaust damper, more oxygen is pulled in through the intake damper to fill the vacuum.
Q: How do HVAC dampers work?
A: HVAC dampers work by being situated closer to the mouth of the distribution pipe and will push or hold air from that point as needed. The pressure in the pipe will then redistribute the airflow to whatever zone requires regulating at that time.