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RWR-4 (RAL9016) • Variable swirl diffusers

  • Swirl diffusers
  • Circular
  • Steel
  • White, RAL 9016
  • Manually adjustable blades

Circular adjustable swirl ceiling diffuser for high ceiling

Brand

  • Cairox

Application

  • For air supply in ventilation and air conditioning systems

Material

  • Combination of steel and aluminium

Colour

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

Composition

  • Manually adjustable blades with α = blade angle
  • Perforated plate in the collar of the diffuser

Text for tender

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  • The air supply diffusers for high ceilings are of the swirl type with manually adjustable blades. They are made of steel and aluminium with white powder coating finish RAL 9016.
  • Cairox type RWR-4

Order example

  • RWR-4, 400


Explanation

RWR-4 = Diffuser type

400 = Neck size of diffuser

Dimensions

 D1 [mm]D2 [mm]D3 [mm]D4 [mm]H [mm]H1 [mm]H2 [mm]R [mm]
RWR-4 20019824896350180204030
RWR-4 250248298133400205304030
RWR-4 315313398175500230304030
RWR-4 400398465175615270456060
RWR-4 500498565225780320356080
RWR-4 6306286652739353902580100

Quick selection

RWR-4 (TS)200250315400500630
QAk0.03050.04790.07650.12380.1940.3088
Hm2,5 - 3,83,0 - 5,33,3 - 64,3 - 7,55,5 - 167,5 - 26
300B(min)2.41.6    
Vk2.71.7    
Ps73    
Lw(A)3322    
400B(min)32.2    
Vk3.62.3    
Ps125    
Lw(A)4230    
500B(min)3.82.82   
Vk4.62.91.8   
Ps1973   
Lw(A)493722   
600B(min) 3.42.42.8  
Vk 3.52.21.3  
Ps 1142  
Lw(A) 422720  
800B(min)  32.8  
Vk  2.91.8  
Ps  83  
Lw(A)  3623  
1000B(min)  3.82.83.4 
Vk  3.62.21.4 
Ps  1252 
Lw(A)  433020 
2000B(min)   5.444.2
Vk   4.52.91.8
Ps   1973
Lw(A)   513822
3000B(min)    64.4
Vk    4.32.7
Ps    177
Lw(A)    5033
4000B(min)     5.8
Vk     3.6
Ps     12
Lw(A)     42
5000B(min)     7.2
Vk     4.5
Ps     19
Lw(A)     49

Symbols and specifications

  • Q = Air volume in m³/h
  • Ak = Effective surface (free area) of the neck of the diffuser in m²
  • Hm = Advised minimum - maximum mounting height in m
  • Bmin = Advised minimum distance between diffusers in m
  • Vk = Air velocity trough the neck of the diffuser in m/s
  • Ps = Static pressure loss in Pa
  • Lw(A) = Acoustic power in dB(A)

  • The values are given for isothermal supply air without Coanda effect.
  • The values in the table are given at an inclination angle α of the vanes of the diffuser set at 45°.
  • In order to achieve a high comfort level, the angle of the blades can be set according to the temperature difference Δt between the supply air and room air temperature. (see selection graphs)
  • Acoustic powers below 20dB(A) are mentioned as "<20" in the tables.

Placement instruction

Noise selection table

Placement height selector

Minimum distance selection

Angle setting size 200

Angle setting size 250

Angle setting size 315

Angle setting size 400

Angle setting size 500

Angle setting size 630
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