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Quiet 6 Inch Duct Fan Air Conditioning

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*Suitable for indoor ventilation or pipe pressurization

*Ultra-quiet, optimized structure design, reduce product running noise

*High-strength all-metal casing, powder-coated, fire-resistant and rust-proof, beautiful and durable, with multiple appearance colors are optional

*180-degree straight-in and straight-out air inlet and outlet structure, better adapt to long-distance wind transmission

*Convenient access panel, no need to disassemble the whole unit, only need to remove the access panel on the side of the machine body, the whole machine can be maintained and repaired.

*A check valve is installed at the air inlet, which can prevent the backflow of the air flow, and can also block the invasion of external mosquitoes, adapt to the ventilation needs of long-distance air transmission for products with large air volume and high static pressure.

Inline duct systems have grown in popularity as a method of concealed ducted ventilation over the past two decades, especially in the past few years, Inline duct fan is widely used in fresh air system. Meihao inline duct fan DPT series is manufactured in plastic power coated corrosion resistant sheet metal for ease of connection to ductwork.

DPT series duct fan are ideal for ducted applications in residential area, commercial area, and industrial area such as shops, offices, hotels, restaurants, factories, schools, pubs, and kitchens. They are available in a variety of duct size diameters to suit any application.


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NO.C105 Yuewang building, NO.1 Wangling section of 106 national road, Baiyun district








  • Professional after service

    With more than 50 years’ experience, we provide professional shipping service and after sales service including: booking vessel, protecting exclusive agency, trouble shooting, helping client with sales(such as making catalog), and so on.
  • Full access to market all over the world

    Our products have certification of CE, CB, ISO 9001, UL, RoHS, etc. Since 1969, our products have been sold to countries all over the world.  
  • Full ability to design and manufacture air curtains

    Our factory has experienced R&D team and full equipment to design and manufacture air curtains. We have well integrated production line which includes Metal workshop; Plastic workshop; Blower workshop; Motor workshop and Assembly workshop. These workshops are equipped with the most advance equipment and machines in our industry (including the laser cutting machine and numerical controlled machines for various purposes. Also we put in loads of efforts to make sure our customers have unique, original design. To make sure our customers always have the leading edge products in the business.
  • High standard quality control

    Our air curtains are with ISO 9001 certifications.
  • High quality products

    Our standard models are made better than international standards. For example our motor is made and designed by our R&D team, with full copper wire and temperature rise lower than most of others. That means our motor has longer service life. With professional design and manufacturing, our product air performance is at least 20% better than most of others.
  • Most complete product range of air curtain

    Our factory was found on 1969, started to design and manufacture air curtain since 1982.Our first air curtain model Classic C2. We are now having more the 50 air curtain product series, include:
    Ambient air curtain; Heating air curtain (electric heating and hot/warm water heating air curtain); Horizontal mount air curtain; Vertical mount air curtain; Ceiling mount air curtain; Special air curtain series. Such as vehicle air curtain which installed on refrigeration truck, revolving door air curtain, cold room air curtain, etc. Product length from 0.6 meters to 2 meter, if there’s special needs we can provide customize service for other length. And the air curtain casing materials include steel, stainless steel, plastic, aluminum, etc. 

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