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BLR-1G • Rectangular external louvres
  • Built-in
  • Rectangular
  • Aluminium
  • Anodized natural finish
  • Basic, standard dimensions

Aluminium rectangular louvres in standard dimensions with physical free area of 45%.

Brand

  • CAIROX

Application

  • For fresh air intake or exhaust, wall mounted.

Material

  • Aluminium

Colour

  • Anodized 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 air intake or exhaust grilles shall have weather resistant blades with blade pitch of 30 mm. They shall be made of anodized aluminium in natural colour
  • CAIROX type BLR-1G

Order example

  • BLR-1G, 400, 200

Explanation

BLR-1G = Type grill

400 = Length grill

200 = Height grill

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