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DKR • Round roof caps with square mesh

Brand

  • Cairox

Application

  • Roofpassage for air intake or exhaust in ventilation systems

Material

  • Galvanized steel roof hood with square mesh

Colour

  • Other RAL colours available upon request

Accessories

  • Roof passages - DAD
  • Weather collars - SOD

Order example

  • DKR 125

Explanation

DKR = Type roof cap

125 = Connection diameter

Prices

Price on request

Quick selection

DKR100125160200250315355400450500630
QAk0.0370.0470.0570.120.1540.1930.2780.3610.3610.5070.688
50Vk0.4          
Ps6          
Lw(A)<20          
100Vk0.70.6         
Ps2210         
Lw(A)29<20         
150Vk1.10.90.7        
Ps504111        
Lw(A)3929<20        
200Vk1.51.21.00.5       
Ps8938198       
Lw(A)463625<20       
300Vk 1.81.40.70.5      
Ps 8442176      
Lw(A) 463623<20      
400Vk  1.90.90.70.6     
Ps  7430106     
Lw(A)  4431<20<20     
600Vk   1.41.10.90.6    
Ps   6722138    
Lw(A)   42292115    
800Vk    1.51.20.80.6   
Ps    39231411   
Lw(A)    372924<20   
1000Vk    1.81.51.00.80.80.5 
Ps    613521171711 
Lw(A)    4335302123<20 
1200Vk     1.81.20.90.90.60.5
Ps     51302424156
Lw(A)     4035262820<20
1400Vk     2.01.41.11.10.80.6
Ps     69413232218.0
Lw(A)     4440313224<20
1800Vk      1.81.41.41.00.7
Ps      6854543413
Lw(A)      4738393220
2200Vk       1.71.71.20.9
Ps       80805120
Lw(A)       43453826
2600Vk         1.41
Ps         7028
Lw(A)         4231
3000Vk         1.61.2
Ps         9437
Lw(A)         4735
3500Vk          1.4
Ps          50
Lw(A)          39
4000Vk          1.6
Ps          65
Lw(A)          43
4500Vk          1.8
Ps          83
Lw(A)          47

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

DKRØ d1 [mm]ØD [mm]H [mm]Ak [m2](kg)
1001001601900.0371.2
1251252001900.0471.5
1601602501900.0572
2002003153150.123.8
2502504003150.1545.2
3153155003150.1937
3553555004700.2789
4004006304700.36114
4504506304700.36115
5005007106000.50720
6306308007250.68830

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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