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Air conditioning circular grille return air round diffuser

Air conditioning circular grille return air round diffuser

Air conditioning circular grille return air round diffuser

HVAC Systems,Ventilation
1 - 100(Pieces):25(days),>100(Pieces):Negotiable(days)
Sea freight
Graphic customization (Min. Order: 5000 Pieces),Customized packaging (Min. Order: 5000 Pieces),Customized logo (Min. Order: 5000 Pieces)
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Quick Details
Warranty:1 Year
After-sale Service:Free spare parts
Project Solution Capability:total solution for projects
Design Style:Modern
Place of Origin:Guangdong, China
Brand Name:VENTECH
Model Number:RCD-VA
Color:White or anodized
Size:5 sizes
Payment terms:TT,LC
Video Description

Air conditioning circular grille return air round diffuser 

Product Description


* The round diffuser is make of high quality aluminium sheet ,Removable cor allows for fast instllation and easy maintenance.


* The round ceiling diffuser features and artistic air distribution system design that is commoly used in restaurants and private houses where tehre is a need of air conditoning and ventilation.It's round cores generates a large even circular air distribution .


The frame & blades are high quality extruded aluminum profiled construction with advantages of corrosion resistance and rigidity.


Ceiling diffusers direct the air from air conditioning systems into the room. The resulting airflow induces high levels of room air, thereby rapidly reducing the airflow velocity and the temperature difference between supply air and room air. Ceiling diffusers allow for large volume flow rates. The result is a mixed flow ventilation in comfort zones, with good overall room ventilation, creating only very little turbulence in the occupied zone.


Material : Aluminium
Function : Air Supply and Return
Shape : Round
Size : 150mm,200mm,250mm,300mm,350mm
Installation : Ceiling
Feature: Decorative, Adjustable ,Durable
Accessories Damper ,Installation bridge,Screws
Usage : HVAC System Terminal
Package : Inner PVC wrap ,outer strong carton box
Deliver time : 30 Days after Receipt the Deposit
Shipment : FCL,LCL




The standard nominal sizes are 150, 200, 250, 300, 350, 400, 450, 500, 595x595.

Diffuser face and blades are made of aluminum sheet, powder-coated.

Removable core for better installation and maintenance.

 For radial air discharge. For supply and extract air. For all types of ceiling systems.

For a rapid reduction of the temperature difference and airflow velocity.

Butterfly damper optional.

Attractive design element for building owners and architects with demanding aesthetic requirements.




* White: RAL 9010, RAL9016,RAL9003

* Anodized



Structure :



Standard size(mm) ØD (mm) ØA (mm) ØH (mm) Air Volume(m3/h) Throw Max.(m)
150 145 250 210 134 1.3
200 195 300 260 242 1.55
250 245 350 310 359 1.8
300 295 400 360 503 2.2
350 345 450 410 665 2.4
Datas are chosen when the air velocity is 2.5m/s and the velocity at throw distance is 0.25m/s




Company Information



* VENTECH is the leading supplier of air diffusion products in the international market.We dedicated in manufacture and design of air diffusion and ventilation for air conditioning system.


* VENTECH was found in 2006.We have 30000 square meter production area .With about 250 experienced workers.And soon we became a leading air diffuser and grilless manufacturer.


* We concerntration on high quality and competitive price.We have strict qualtiy control process,and every product is hand inspected to ensure it will be in good quality condition.


* VENTECH will work to develop new design and technologies to achieve better product performance,easier to install and higher quanlty year on year .


* VENTECH personnel will always cooperate with the customer to make doing business together and efficient ,fast and pleasant experience .


* VENTECH is you best choice ,we are ready to cooperate with you to provide a comfortable way of handling air.


 Hot selling :






Q: Are you a manufacturer?
A: Yes, we are a professional manufacturer, and we have more than 15 years manufacturing and overseas sales experiences. Now we've sold our HVAC system air supply return ceiling diffuser to more than 26 countries!!!

Q: What's the MOQ?
A: The MOQ is 5000usd per order. Mixed supply ceiling diffuser is allowed.

Q: Can you provide free sample?
A: Yes, we could provide free sample of supply ceiling diffuser. But we don't pay for the delivery cost.

Q: What's the delivery time?
A: the delivery time is about 30days.

Q: what's the payment term?
A: T/T, L/C

Q: Can we buy under our own logo?
A: No problem.

Q: What is the quality?
A: we offer high quality products. VENTECH is famous for it's high quality and most competitive price!

Q: Can I be a VENTECH brand distributor?
A: Yes, you can. Pls contact us for more details.

The sales of air units also benefits from the sales network. It has a low noise level even at relatively high velocities. Having passed the quality assurance, air units is of high reliability. It has a low noise level even at relatively high velocities.
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