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BLR-1M • Aluminium rectangular louvres

  • Built-in
  • Rectangular
  • Aluminium
  • Anodized natural finish
  • Basic, measure-made

Aluminium rectangular louvres (not standard dimensions) with physical free area of 50%

Brand

  • Cairox

Application

  • For fresh air intake or exhaust, wall mounted.

Material

  • Aluminium

Colour

  • Anodized natural finish
  • Powder coated in RAL-colours upon request

Composition

  • Frame and blades of aluminium
  • Stainless steel INOX304 insectscreen mesh of 2.3 x 2.3 mm fitted behind the louvre
  • The weather resistant blades have a blade pitch of 33 mm.
  • Can also be produced in standard dimension, type BLR-1

Mounting

  • To be mounted by means of mounting brackets

Accessories

  • Mounting brackets (included)

Other available products

  • Galvanized steel louver with larger effective area, type BLR-S50
  • Anodized Aluminium louver with a larger effective area, type BLR-A60

Text for tender

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  • The air intake or exhaust grilles shall have weather resistant blades with blade pitch of 33 mm. They shall be made of anodized aluminium in natural colour in all possible dimensions
  • CAIROX type BLR-1M

Order example

  • BLR-1M, 700, 200

Explanation

BLR-1M = Type grill

700 = Length grill

200 = Height grill

Quick selection

QType200x200300x300400x400500x500600x600700x700800x8001000x10001200x1200
Ak0.0200.0450.0800.1250.1800.2450.3200.5000.720
100Vk1.39        
Ps5.92        
Lw(A)20.2        
200Vk2.781.23       
Ps23.74.68       
Lw(A)41.120.1       
300Vk 1.851.04      
Ps 10.53.3      
Lw(A) 32.617.3      
400Vk 2.461.390.89     
Ps 18.75.92.43     
Lw(A) 41.226.214.2     
500Vk 3.081.741.11     
Ps 29.29.253.79     
Lw(A) 47.833.121.2     
600Vk  2.0813340.93    
Ps  13.35.462.63    
Lw(A)  38.626.917    
800Vk  2.781.781.230.91   
Ps  23.79.74.682.53   
Lw(A)  47.235.826.117.7   
1000Vk   2.221.551.130.87  
Ps   15.27.313.952.31  
Lw(A)   42.53324.817.5  
1200Vk   2.661.851.361.04  
Ps   21.810.55.683.33  
Lw(A)   47.938.630.523.3  
1400Vk   3.122.161.591.22  
Ps   29.714.37.744.53  
Lw(A)   52.443.235.228.1  
1800Vk    2.782.041.561 
Ps    23.712.87.53.07 
Lw(A)    50.742.835.923.9 
2000Vk    3.082.261.741.11 
Ps    29.215.89.253.79 
Lw(A)    53.84639.127.2 
3000Vk     3.42.61.671.16
Ps     35.520.88.534.11
Lw(A)     57.951.339.830.1
4000Vk      3.482.221.54
Ps      3715.27.31
Lw(A)      59.748.539
5000Vk       2.781.93
Ps       23.711.4
Lw(A)       55.145.8
6000Vk       3.342.32
Ps       34.116.5
Lw(A)       60.551.3
8000Vk        3.08
Ps        29.2
Lw(A)        59.8

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 area in m²
  • Lw(A) = Acoustic power in dB(A)
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