High Quality HVAC Aluminum Gravity Louver Return Air Louver

• Material: Aluminum
• Usage: for Air Conditioner
• Type: Air Grille
• Venetian-Style Air Layers: Fixed Blade
• Installation: Outlet
• Certification: SGS
• Model NO.: GL-VA
• Thickness: 1.0mm
• Shape: Square
• Color: White/Anodized/Other Colors
• Function: Air Cooling
• Payment Term: T/T
• Size: Customerized/ Standard
• Weight: 0.2-1
• Surface Finished: Smooth/ Matt/ Mill Finish
• Transport Package: Carton
• Specification: powder coating
• Trademark: Ventech
• Origin: China
• HS Code: 7616999000
• Production Capacity: 100000/Month

Product Description

Product Pictures:

 

 

  Product Information:

Model:	WL-VC	Feature:	Removable core
Size:	customer size	Thickness:	1.2mm
Finish:	powder coating	Color:	RAL9010/9016
Function:	supply air	Certificate:	BV
Accessories:	opposed blade damper	Manufacturer:	VENTECH,CHINA

Product Description:
Combination weather louver and gravity backdraft dampers designed to protect air exhaust openings in building exterior walls. Design incorporates a drainable head member, J style stationary louver blades, pressure/gravity operated damper blades. Recommended application is in close proximity to an exhaust or intake air fan. Available in 4 in. blade depths.

Non-drainable stationary blades are combined with non-drainable center pivot adjustable blades. The design does include a drainable head member and concealed blade linkage. Only available in 6 in. blade depth.

Non-drainable stationary blades are combined with non-drainable center pivot adjustable blades. The design does include a drainable head member and concealed blade linkage. Only available in 6 in. blade depth.
 
 
Customized-made in size below:
·         Sizes: Customized-made in size:
·         Neck size:customized-made in size
·         Height: 30mm
·         Face size= neck size+60mm
 
 
How to make an aluminum pressure relief gravity louver?
In order to make a high quality pressure relief gravity louver, Ventech people introduce a whole production line with advanced stamping, punching machines which are operated by experienced workers.
All cores and frames are made by high-efficient machines, then comes to the installation line, we ventech also enjoy the wholly automotive squeezing machines.
Before polishing and filling the putty in the gaps, the air diffuser should be washed for 10mins then baked for 30mins.  Power coated is arranged behind the polishing step, by using totally-closed powder finishing line and parching space, the perfect diffuser rolls off the products line and ready to be packed, QC is the priority during each step of the mass productions. We have professional QC to check quality before products go to next step.


Optional Accessories
·         Clips
·               A: installation clip, used for connecting the diffuser/ grille to the celing or wall.
·               B: damper fixing clip, used for connecting the diffuser/ grille to the damper.
·         Coner protection
·         Holes and screw
·               Insteady of clips, some people prefer punching holes on frame, and instal the diffuser/ grille with screw. 
          Damper (can be powder coating)
·              OBD-VA, gear manual
·              OBD-VB, screw manual
Notice: The above accessories are optionals. Without any specified, we deliver the products without any accessories. 
 
 
Technical data:

neck size	face size	height
200x100	260x160	45
200x150	260x210	45
300x200	360x260	45
400x300	460x360	45