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DKL • Round ribbed roof caps

Brand

  • Cairox

Application

  • Roofpassage for air intake or exhaust in ventilation systems

Material

  • Galvanized steel roof hood with multiple blades
  • Birdscreen, made of steel

Colour

  • Other RAL colours available upon request

Accessories

  • Roof passages - DAD
  • Weather collars - SOD

Other available products

The roof hoods are also avalable in stainless steel or other commonly used metals, or with a synthetic resin coating.

Order example

  • DKL 125

Explanation

DKL = Type roof cap

125 = Connection diameter

Quick selection

DKL - out100125160200250315400500
QAk0.020.030.060.10.130.180.310.44
50Vk0.70.5      
Ps42      
Lw(A)<20<20      
100Vk1.40.9      
Ps167      
Lw(A)23<20      
150Vk2.11.40.7     
Ps37167     
Lw(A)3820<20     
200Vk 1.90.90.6    
Ps 29126    
Lw(A) 3125<20    
300Vk  1.40.80.6   
Ps  28126   
Lw(A)  4031<20   
400Vk  1.91.10.90.6  
Ps  5022103  
Lw(A)  504127<20  
600Vk   1.71.30.9  
Ps   49226  
Lw(A)   564224  
800Vk   2.21.71.20.7 
Ps   8739106.5 
Lw(A)   67523420 
1000Vk    2.11.50.90.6
Ps    6116107
Lw(A)    604228<20
1200Vk     1.91.10.8
Ps     231510
Lw(A)     493423
1400Vk     2.21.30.9
Ps     312013
Lw(A)     554029
1800Vk      1.61.1
Ps      3322
Lw(A)      4938
2200Vk      21.4
Ps      4933
Lw(A)      5746
2600Vk       1.6
Ps       47
Lw(A)       52
3000Vk       1.9
Ps       62
Lw(A)       57

Symbols and specifications

  • Q = Air volume in m³/h

  • Ak = Effective surface (free area) in m²

  • Vk = Average effective velocity through the grill in m/s

  • Ps = Static pressure loss given in Pa

  • Lw(A) = Acoustic power in dB(A)


  • Selection data for fresh air intake
  • Values for exhaust may differ

Pressure loss

Dimensions

DKLØ d1 [mm]
ØD [mm]
H [mm]
Ak [m2]
(kg)
100971651100.021.0
1251232051450.031.5
1601572551800.062.0
2001973202500.102.9
2502473202500.133.2
3153124052900.186.4
4003955053700.3110.1
5004956354100.4415.9

Ak [m2] = free area of the hood

Remark

To prevent moisture from being drawn in by air intake, the air velocity may not exceed 2 m/s on the free surface
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