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Tag: Metal Exhaust and Supply Air Valves

Posts related to Metal Exhaust and Supply Air Valves

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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 [...]

What Are The Exhaust And Supply Air Valves?

Air valves are designed to offer simple but effective means of providing air supply and extract capabilities for most commercial, industrial and domestic ventilation applications. They are typically installed in hotels, houses, apartments, halls of residence and hospitals and are being used to handle air volumes in small confined and closed up indoor spaces such as toilets, washrooms, utility rooms, or any other small rooms.



What Are The Metal Exhaust and Supply Air Valves Made Of?
  • The body of an exhaust air valve is made of SPCC steel with thickness of 0.6mm or 0.8mm upon request.
  • The mounting ring of an exhaust air valve is made of DX53D+Z80 hot dipped galvanized steel (plated zinc thickness 6-8mm)
  • The exhaust air valve body has a gasket made of circular [...]
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