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  Aluminum Adjustable Louvers  
       
 
Application
  • Adjustable Louvers allow transfer of air through a wall while providing protection against elements such as wind, rain, snow, or sand, and designed to be opened or closed manually or by an actuator.
Product Features
  • Louvers have adjustable blades offered in various depths.
  • Engineered blade geometry for both drainable and non-drainable configurations.
  • Various blade spacing to meet performance requirements for pressure drop and water penetration.
  • Extruded aluminum construction 6063-T6/T52
  • Mill finish
  • Tested to AMCA standards
Options
  • Manual, Electric, or Pneumatic Operation
  • Bird / Insect screen
  • Flanged frame
  • Sleeve
  • Finishes – Mill, Primer, Powder Coat, Anodize
  • Colors – standard and custom color matching
  • AAMA 2603, 2604, 2605 performance

Model Blade
Type
Blade
Spacing
(Ctrs.)
Blade
Angle
Submittals
4" Deep
LA377 Straight Front / Drainable 4" N/A
LA444 Non-Drainable 4" Adjustable
LA444M
Pin-Lock 4" Adjustable
with Concealed Actuator
LA450D Drainable 4" Adjustable
LA450DM Drainable 4" Adjustable
with Concealed Actuator
LA480D Drainable 3-1/2" Adjustable
LA480DM Drainable 3-1/2" Adjustable
with Concealed Actuator
Model Blade
Type
Blade
Spacing
(Ctrs.)
Blade
Angle
Submittals
6" Deep
LA444-70 Non-Drainable 4" Adjustable
LA444-70-M Pin-Lock 4" Adjustable
with Concealed Actuator
LA651D Drainable 4-1/2" Adjustable
LA651DM Drainable 4-1/2" Adjustable
with Concealed Actuator
LA633 Non-Drainable 4-1/2" Adjustable
LA633M Non-Drainable 4-1/2" Adjustable
with Concealed Actuator
LA677E Drainable 3-1/2" 35° Fixed and Adjustable
LA681 Straight 4-1/2" 35° Fixed and Adjustable
LA681M Straight 4-1/2" 35° Fixed and Adjustable
with Concealed Actuator
LA680D Drainable 4-1/2" 35° Fixed and Adjustable
LA680DC Drainable 4-1/2" 35° Fixed and Adjustable