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Tag: HVAC accessories

Posts related to HVAC accessories

Happy training,productive learning

Aier internal training to the sales team

On the sunny Tuesday, we had one more internal training to the sales team;

With the guide of our technical and sales directors who have more than 10-year working experience in the HVAC industry, the sales team learnt more about our equipments and production process.


Each time, no matter our new or old customers, they are all very impresson on our workshops,our production capability.

Nowadays, our mainly business is devided into two parts: ventilation accessories and custom metal stamping parts.

002 metal_fabrication_factory

For the ventilation items, we have 6 different categories,which include:

Front 5

Ningbo Aier Ventilation Equipment Co., Ltd has recently launched a new size for its plastic air valve product coming from the ventilation ducts series – Dia 160mm

General description

  • Item code: PAV
  • Supply and exhaust air valves
  • Material: Polypropylene (PP)
  • Supplied with mounting frame and clamping ring (optional)
  • Color: White
  • Available sizes: 100mm, 125mm, 150mm, 160mm (new), 200mm







  • Made of high quality plastic.
  • Easy mounting with spacing lugs and mounting flange with a lock ring.
  • Special aerodynamic valve design ensures uniform air distribution.
  • The internal part has a sealing ring for more tight fit.
  • Smooth air pass regulation due to rotation of central part of the [...]

Ningbo Aier participated at the CHINA REFRIGERATION EXHIBITION 2019 show, which is one of the world’s professional refrigeration and HVAC (Heating, Ventilation & Air Conditioning) trade fair. The show was held from 9 till 11 April 2019 and was attended by many HVAC professionals and other visitors.

CR exhibitionDuring the exhibition, Aier successfully displayed its HVAC products such as pipe clamps, Iris dampers, access doors, air valves, and swirl diffusers. Our booth has attracted many of our old friends as well as new visitors. Even some non-specialists stood still at our stand. Among all the displayed products, Aier’s iris dampers were the star products at the event. Our iris damper is an ideal regulator of air flow with a measuring device. These types of iris dampers are made of galvanized steel or 316L stainless steel with double [...]


Ningbo Aier Ventilation Equipment Co., Ltd has recently launched another type of its access door series for the ventilation ducts – Flat Access Door.

What is Flat Access Door?

 Flat Access Doors are designed to provide inexpensive and trouble free access to the rectangular air ducts for ducts cleaning and maintenance. The flat access doors are made out of hot-dipped spangle-free galvanized steel (Dx51D+Z275) with polyurethane as the gasket.

Flat Access DoorAdvantages of Flat Access Door?


  • Our flat access doors are anti-corrosion and rust-proof – zinc coated Z275 (16-22 µm);
  • Our innovative handle design allows our flat access doors to be pushed and pulled instead of managed by twisting a knob when installed on the duct. This makes handling the access doors much easier.
  • Last but not least, the polyurethane gasket on the flat access doors greatly [...]

BIG5 exhibitionThe BIG5 exhibition Dubai
26th-29th November 2018
Dubai World Trade Centre

Our booth NO.: Z4E139

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