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BLR-K25 (RAL9016) • Round steel louvres

  • Built-in
  • Circular
  • Steel
  • White, RAL 9016
  • With mesh

Circular louvres made of steel in white finish RAL 9016.

Brand

  • Cairox

Application

  • For fresh air intake or exhaustin ventilation systems

Material

  • Steel

Colour

  • Standard colour white, RAL 9016
  • Other colours available upon request

Composition

  • Steel frame in white finish
  • Fixing with screws through the frame (not included) or with polymeric glue
  • The weather resistant blades have a blade pitch of 25 mm
  • Insect screen at the back of the grille

Mounting

  • Build-in mounting by screws through the frame or with glue

Text for tender

Copy
  • The external air louvres shall be of the circular type, made of steel with white finish, RAL 9016
  • Cairox Type BLR-K25

Order example

  • BLR-K25, 400


Explanation

BLR-K25 = Type grill

400 = Connection diameter

Dimensions

BLR-K25D1 [mm]D2 [mm]D3 [mm]
160160140190
200200180240
250250230290
315315295355
355355335395
400400380440
450450430490
500500480540
630630610670
710710690750
800800780840
100010009801040
1250125012301290

Quick selection

BLR-K2516020025031535540045050063071080010001250
QAk0.0100.0180.0290.0470.0620.0790.1020.1250.2040.2590.3290.5140.803
75Vk2.11.2           
Ps248           
Lw(A)206           
125Vk3.51.91.2          
Ps66208          
Lw(A)351910          
200Vk 3.11.91.2         
Ps 52208         
Lw(A) 342311         
300Vk  2.91.81.31.1       
Ps  461897       
Lw(A)  35231511       
500Vk   32.21.81.41.1     
Ps   492618117     
Lw(A)   3831262014     
600Vk   3.52.72.11.61.3     
Ps   663924149     
Lw(A)   4237312419     
800Vk    3.62.82.21.81.1    
Ps    704226187    
Lw(A)    4539342916    
1000Vk     3.52.72.21.41.1   
Ps     663926117   
Lw(A)     4640352418   
1500Vk       3.321.61.3  
Ps       5922149  
Lw(A)       47353025  
2000Vk        2.72.11.71.1 
Ps        3924167 
Lw(A)        44383422 
2400Vk        3.32.621.3 
Ps        5937229 
Lw(A)        50453927 
3000Vk         3.22.51.61
Ps         5534145
Lw(A)         51463421
4000Vk          3.42.21.4
Ps          622611
Lw(A)          554432
6000Vk           3.22.1
Ps           5524
Lw(A)           5544
8000Vk            2.8
Ps            42
Lw(A)            53

Symbols and specifications

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

Selection graph
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