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BLR-S50 • Galvanized steel louvres

  • Built-in
  • Rectangular
  • Steel
  • Galvanized natural finish
  • With mesh

Galvanized steel louvres with effective area up to 70%

Brand

  • Cairox

Application

  • For air intake or exhaust in ventilation systems
  • On request any sizes are available

Material

  • Steel

Colour

  • Galvanized steel
  • Powder coated in RAL color upon request

Composition

  • Frame and weather resistant blades made out of galvanized steel
  • Birdscreen 12 x 12 mm fitted behind the louvre
  • Drainer blade

Mounting

  • Mounting with screws through the frame (not included)

Text for tender

Copy
  • The air louvres shall be of the type in galvanized steel with weather resistant enclined blades. A birdscreen will be fitted behind the louvre.
  • Cairox type BLR-S50

Order example

  • BLR-S50, 800, 400


Explanation

BLR-S50 = Type grill

800 = Length grill

400 = Height grill

Quick selection

BLR-S50200x200300x300400x400500x500600x600800x8001000x10001200x12001400x14001600x16001800x18002000x2000
QAk0.010.0360.0770.1330.2050.3940.6430.9531.3231.7542.2462.799
100Vk2.80.8          
Ps151          
Lw(A)40<20          
200Vk5.61.50.7         
Ps6051         
Lw(A)6121<20         
300Vk 2.31.1         
Ps 102         
Lw(A) 33<20         
500Vk 3.91.81        
Ps 2862        
Lw(A) 4826<20        
800Vk  2.91.71.1       
Ps  1652       
Lw(A)  4024<20       
1000Vk  3.62.11.40.7      
Ps  25841      
Lw(A)  4630<20<20      
1500Vk  5.43.121.1      
Ps  551982      
Lw(A)  584229<20      
2000Vk   4.22.71.40.9     
Ps   331441     
Lw(A)   5038<20<20     
2500Vk   5.23.41.81.10.7    
Ps   5122621    
Lw(A)   574425<20<20    
3000Vk    4.12.11.30.9    
Ps    31931    
Lw(A)    4931<20<20    
4000Vk    5.42.81.71.20.8   
Ps    5615631   
Lw(A)    583925<20<20   
6000Vk     4.22.61.71.30.90.7 
Ps     34136321 
Lw(A)     513625<20<20<20 
8000Vk     5.63.52.31.71.310.8
Ps     6023105321
Lw(A)     59453324<20<20<20
10000Vk      4.32.92.11.61.21
Ps      35168532
Lw(A)      51403022<20<20
15000Vk       4.43.12.41.91.5
Ps       36191174
Lw(A)       5242342720
20000Vk        4.23.22.52
Ps        3319128
Lw(A)        50423529
30000Vk         4.73.73
Ps         432617
Lw(A)         544740

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)
  • Note : Given values for louvers in exhaust. when used for air intake, the pressure drop will be higher upto 25% of the given value of Ps with an increase up to 4dB(A) in Sound power.
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