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BLR-1G • Rectangular aluminium external louvres

  • Built-in
  • Rectangular
  • Aluminium
  • Anodised natural finish
  • Basic, standard dimensions

Rectangular aluminium external louvres in standard dimensions with average free passage area of 45%

Brand

  • CAIROX

Application

  • For fresh air intake or exhaust, wall mounted

Material

  • Aluminium

Colour

  • Anodised natural finish

Composition

  • Frame and blades of aluminium
  • Stainless steel INOX304 insectscreen mesh of 3 X 3 mm fitted behind the louvre
  • The weather resistant blades have a blade pitch of 30 mm.

Text for tender

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  • The external wall grilles are rectangular aluminium louvered grilles for air supply or exhaust. They are manufactured from aluminium. The grille is assembled from Z-profiles with a 30mm blade pitch. This results in a 20mm spacing between the blades. The louvre holders are laterally attached to the vertical perforated profiles of the fixed L-shaped frame. This frame, with a 32mm stop and a 41mm installation depth, is mitered at a 45° angle and assembled by pressing together with a clamping corner. The grille is fitted with a stainless steel insect screen with 3 x 3mm mesh. The grilles are finished in a natural anodised finish as standard.
  • CAIROX type BLR-1G

Order example

  • BLR-1G, 400, 200

Explanation

BLR-1G = Grille type

400 = Grille length

200 = Grille height

Quick selection

BLR-1G200x200300x200400x200300x300400x400600x400500x500600x600
QAk0.0180.0270.0360.0410.0720.1080.1130.162
100Vk1.510.8     
Ps9.142.3     
Lw(A)26<20<20     
150Vk2.31.51.21    
Ps20.595.14    
Lw(A)392821<20    
200Vk3.12.11.51.40.8   
Ps36.41697.12.3   
Lw(A)47372926<20   
300Vk 3.12.32.11.20.80.7 
Ps 36.120.3165.12.32.1 
Lw(A) 49423924<20<20 
400Vk 4.13.12.71.511 
Ps 64.136.128.5943.7 
Lw(A) 585047322221 
500Vk  3.93.41.91.31.20.9
Ps  56.344.514.16.35.82.8
Lw(A)  5754392827<20
600Vk   4.12.31.51.51
Ps   64.120.398.34
Lw(A)   6045343323
800Vk    3.12.121.4
Ps    36.11614.87.1
Lw(A)    53434232
1000Vk    3.92.62.51.7
Ps    56.32523.111.1
Lw(A)    60504839
1200Vk     3.132.1
Ps     36.133.216
Lw(A)     555445
1400Vk     3.63.52.4
Ps     49.145.221.8
Lw(A)     605949
1600Vk     4.142.7
Ps     64.159.128.5
Lw(A)     646353

Symbols and specifications

  • Ps = Static pressure loss in Pa
  • Q = Air Volume in m³/h
  • Type = Hole LXH in wall in mm
  • Vk = Effective air velocity true the grille in m/s
  • Ak = Effective passage area in m²
  • Lw(A) = Acoustic power in dB(A)
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