GPA - External louvre

Aluminum external louvre for air intake and exhaust

This slim model is ideal for narrow walls.

  • Prevents rainwater, snow, leaves and animal ingress with low pressure drop
  • Anodised or polyester-painted aluminum design.
  • Modular construction available for large sizes
  • Installation frame for fast and easy mounting

The rectangular external louvre is made of extruded anodised aluminium (or extruded aluminium, polyester-painted with white RAL 9010 as standard colour.
The external louvre comprises horisontal blades 40 mm high, a 25 mm wide flat frame and a 13x13 mm steel mesh.

The louvre is supplied with an installation frame.
For large openings the louvre is supplied in modular sections.

Halton GPA

Aluminum external louvre for air intake and exhaust

  • Prevents rainwater, snow, leaves and animal ingress with low pressure drop
  • Anodised or polyester-painted aluminum design.
  • Modular construction available for large sizes. Also circular model available
  • Installation frame for fast and easy mounting
     

Dimensions

Rectangular louvres

LxH L1 L2 H1 H2
200x100 235 185 135 85
300x100 335 285 135 85
400x100 435 385 135 85
200x200 235 185 235 185
300x200 335 285 235 185
400x200 435 385 235 185
500x200 535 485 235 185
600x200 635 585 235 185
700x200 735 685 235 185
800x200 835 785 235 185
200x300 235 185 335 285
300x300 335 285 335 285
400x300 435 385 335 285
500x300 535 485 335 285
600x300 635 585 335 285
700x300 735 685 335 285
800x300 835 785 335 285
200x400 235 185 435 385
300x400 335 285 435 385
400x400 435 385 435 385
500x400 535 485 435 385
600x400 635 585 435 385
700x400 735 685 435 385
800x400 835 785 435 385

 

Special dimensions

In addition to standard sizes, other sizes can be specially ordered. The maximum nominal size is 1500x800 mm.
A continuous louvre with modular construction can be supplied when the installation length is greater than 1500 mm or the height is greater than 800 mm. An assembly and alignment kit is supplied with the Halton GPA in modular construction.

Material

 Part  Material  Finishing  Note
 Frame  Aluminium  Anodised or
 polyester-painted,
 White (RAL 9010,
 50% gloss)
 Special colours and
 epoxy-painting (100%)
 available
 Fixed blades  Aluminium  Anodised or
 polyester-painted,
 White (RAL 9010,
 50% gloss)
 Special colours and
 epoxy-painting (100%)
 available
 Installation frame  Galvanised
 steel
   

The bevel angles of the frame have been welded so that the joints are almost invisible.
The blades are fastened to the frame with screws. Steel mesh (13 x 13 mm), fastened behind the louvre with springs, prevents birds, rodents and leaves from entering the ductwork.

Accessories


 



Function

Air is supplied or extracted through the horisontal blades.
The design of the louvre prevents rainwater from penetrating the ductwork.

The slot between the frame and the top blade is sealed in order to prevent rainwater from entering from above

Installation

The louvre is installed directly into a prepared masonry wall opening using screw fastenings through factory-made holes.
For rectangular louvres, in particular for modular sections, the use of the IF installation frame is recommended..
The frames of adjacent modules can be bolted together before installing the louvre sections.

For rectangular louvres the size of installation hole is LxH when an installation frame is used, and (L-5)x(H-5) without an installation frame.

Servicing

Clean the louvre using a soft-brush.

Specification

The rectangular external louvre is made of extruded anodised aluminium (or extruded aluminium, polyester-painted with white RAL 9010 as standard colour.
The external louvre comprises horisontal blades 40 mm high, a 25 mm wide flat frame and a 13x13 mm steel mesh.

The louvre is supplied with an installation frame.
For large openings the louvre is supplied in modular sections.

Order Code

GPA/S-W-H-D; FI-CO-ZT

S = Type of duct connection 
       R       Rectangular

W = Width
        200, +10, .., 1200

H = Height
      100, +10, .., 1200
 

Other options and Accessories

FI  = Finishing
         PN      Painted
         AN      Anodised

CO = Colour
         W       White
         X        Special colour
         N        No painting

ZT = Tailored product
         N        No
         Y        Yes
 

Code example

        GPA/R-200-100, FI=PN, CO=W, ZT=N

Downloads & Media

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Halton GPA - se
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