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ASFD • Swirl diffusers for floor mounting

  • Floor grilles
  • Aluminium
  • Anodized natural finish
  • Swirl

Aluminium swirl floor diffusers with horizontal or vertical air diffusion pattern

Brand

  • Cairox

Application

  • Adjustable circular diffuser with swirl air supply, suitable for false floor installation. May be used in rooms with a variable or constant air volume

Material

  • Aluminium and steel

Colour

  • Anodized natural finish
  • Other colours available upon request

Composition

  • Removable inner grille and front grille manufactured in sanded aluminium
  • Dust basket (also to be used as volume damper) and swirl unit made from sheet steel
  • 3 Steel mounting straps for fixing of the diffuser frame into a floor tile

Mounting

  • To be mounted with 3 steel mounting straps for fixing of the diffuser frame into a floor tile

Text for tender

Copy
  • The air supply for rooms with variable or constant air volume can be made with circular diffuser with swirl air supply. Diffuser slots are designed to ensure a swirl air supply with high levels of induction, achieving reduced air velocities and a moderate temperature gradient in the occupied zone
  • Anodized natural finish
  • CAIROX Type ASFD

Order example

  • ASFD, 150

Explanation

ASFD = swirl floor diffuser

150= connection diameter (see table)

Quick selection

ASFD150200
QAk0.004950.00945
Dt-4-6-8-4-6-8
25Y0,250.70.60.5   
Vk1.4 
Ps4 
Lw(A)<20 
40Y0,2510.90.8   
Vk2.2 
Ps10 
Lw(A)25 
60Y0,251.61.41.20.80.70.6
Vk3.41.8
Ps245
Lw(A)3520
80Y0,252.11.91.61.10.90.8
Vk4.52.4
Ps439
Lw(A)4227
100Y0,25   1.31.11
Vk 2.9
Ps 13
Lw(A) 33
120Y0,25   1.61.41.2
Vk 3.5
Ps 20
Lw(A) 37
150Y0,25   21.71.5
Vk 4.4
Ps 31
Lw(A) 43

Symbols and specifications

  • Temperature difference Dt at -4, -6 and -8K
  • Y 0.25 = Vertical throw in m at vt = 0.25 m/s at Dt values
  • Ps = Static pressure loss in Pa
  • Lw (A)= Acoustic power in dB(A)
  • Q = Air Volume in m³/h
  • Ak= Effective area in m²
  • Vk = Effective velocity between the blades of the grille in m/s

Placement instruction

Dimensions

ASFD
A [mm]
B [mm]
C [mm]
E [mm]
MinMax
1501901541491432
200240204199
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