• Mr Bob Mccabe
    We have purchased 6 sets Roller Shutter Door for our candy factory from your company. Good quality! Good sevice! We will purchased other clean room equipment from your company later.
  • Mr Manh
    This year we are going to build a mobile phone screen electronics clean factory.We send Hongkong YaNing a list of products we need,Unexpectedly, they soon gave me a very detailed quotation and drawings, and gave us a lot of good advice. Very professional, good service, good product quality! We decided to place an order.
Contact Person : Nicole Yu
Phone Number : 86-18924660320
WhatsApp : +8613043684711

Return Air Grilles Clean Room Ventilation Architectural Air Shutter With Pipe Connection

Place of Origin China
Brand Name YN
Certification CE/ISO
Model Number YN-AG020
Minimum Order Quantity 100 pcs
Price reconsideration
Packaging Details carton and wooden tray
Delivery Time 7-25 work days
Payment Terms L/C, D/A, T/T, Western Union
Supply Ability 10000pcs/month
Product Details
Product Name Return Air Grilles Meterial Aluminum Or Powder Coating Steel
Type Directional Air Diffuser Application Cleanroom,hall,supermarket
Size Customize Terms EXW/FOB/CIF
High Light

return air vent grille


hvac air return grille

Leave a Message
Product Description


Return air grilles with pipe connection and architectural air shutter


Frame: High quality extruded aluminum alloy(A6063) profile with 30mm flange as standard.
Blades: Aerofoil blades in 45° from aluminum profile
Blades spacing: 35mm as standard
Support pipe: 8mm diameter aluminum pipe


Return air grilles classification

(1) Double louvered tuyere is usually used as a gas supply port. It can also be used directly in fan coils. It is widely used at the end of centralized air conditioning systems. It can also be used with multi-leaf control valves to regulate air volume.

(2) The single-layer blinds can be adjusted to the up and down wind direction, and the return air outlet can be used together with the tuyere filter. The blade angle can be adjusted and the ABS plastic mounting bracket is placed between the blades. After cleaning the fixed filter, remove the filter from the slide, then clean it, then push it in from the slide and continue to use it.

(3) The fixed air vent is used for heating and cooling of the air conditioning system and can be installed on the side wall or ceiling.

(4) The air-conditioned room with positive pressure of the louver vents is automatically ventilated. Typically, the louvers of the tuyere naturally hang down and sag, thereby isolating the air exchange between the interior and exterior. When the indoor air pressure is greater than the outdoor air pressure, the air blows the louver and vents outward.

(5) The diffuser is a common air supply port in an air conditioning system. It has uniform flow characteristics and a simple and aesthetic appearance. It can be made square or rectangular according to the requirements of use, to meet the decoration requirements of any ceiling. The inner core portion of the diffuser can be removed from the outer frame for ease of installation and cleaning. The rear can be equipped with a tuyere regulating valve to control the air volume. Suitable for broadcast studios, hospitals, theaters, classrooms, concert halls, libraries, entertainment halls, theatre lounges, general offices, shops, hotels, restaurants and stadiums. In order to avoid noise interference and discomfort in various environments, in addition to determining the neck wind speed according to the performance table, it is also necessary to consider the installation height and installation occasions.

(6) The spherical adjustable air outlet is a nozzle type air supply port. The high-speed airflow is supplied to the specified direction through the nozzle of the valve body, and the direction of the airflow can be conveniently adjusted in a conical space of 30° in the apex angle. The gas flow rate can also be adjusted by the degree to which the valve opens and closes. It is suitable for high-speed roof air supply or partial cooling, such as airport terminal, indoor stadium, hotel kitchen and other occasions.

(7) The swirling air outlet emits a rotating jet, which has the characteristics of large induction ratio and rapid attenuation of wind speed. It can be used as a large air volume in air conditioning ventilation systems. Large temperature difference air supply can reduce the number of air outlets and can be installed on the ceiling or ceiling. The low space within 3 meters can also be used for two kinds of high-altitude air supply, and the height can even reach more than 10 meters.


any size available
Overall face size = Neck size + 55mm
Standard size (Neck size=A)


Item code YN801
Size 400*400mm
Material Aluminum
Color white
Loading capacity 30kg
Feature Easy installation, endurable, heigt adjustable, waterproof, environmental friendly
MOQ  100 pcs per size per color
Package 400 pcs/carton
Place of origin Dongguan, China


Return Air Grilles Clean Room Ventilation Architectural Air Shutter With Pipe Connection 0