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A04  •  Ceiling diffusersdownloads

APKW-4

4-way ceiling diffusers with removable core

Application

  • For air supply and exhaust in ventilation and air conditioning systems.

Material

  • Aluminium and steel combination

Colour

  • White, RAL 9010

Composition

  • Frame made of aluminium
  • Removable inner core made of steel
  • Fixed blades with 4-way direction

Mounting

  • Fixing by the collar of the diffuser in the plenum box

Accessories

  • Opposite blade volume control damper type DS
  • Plenum box with side duct connection type RES

Text for tender

  • The air supply ceiling diffusers are square with a fixed 4-way pattern and a removable core. They are made of aluminium and steel in white finish RAL 9010 supplied with a volume control damper and a plenum box.
  • ATC Type APKW-4+DS+RES

Other available products

  • Diffuser in anodized aluminium type APK-4 available upon request
  • Diffusers with 1, 2 or 3-way directional type APKW-1, APKW-2 or APKW-3 available upon request

Order example

  • APKW-4, 444 + RES + DS

 

Explanation

APKW-4 = Diffuser type

444 = Diffuser size

 

Accessories (Optional)

RES = Plenum box

DS = Volume control damper

Articles

Article number Type Type Size [mm] Qv (Lw≤35 dB(A)) [m³/h]
  A040322294000APKW-4 294 APKW-4 294 150x150 180
  A040322369000APKW-4 369 APKW-4 369 225x225 350
  A040322444000APKW-4 444 APKW-4 444 300x300 600
  A040322519000APKW-4 519 APKW-4 519 375x375 900
  A040322595000APKW-4 595 APKW-4 595 450x450 1200

Quick selection

Qv

150x150

225x225

300x300

375x375

450x450

100 Lt 0,80        
Ps 5        
Lp -        
160 Lt 1,20 0,80      
Ps 12 2      
Lp 29 -      
200 Lt 1,60 1      
Ps 18 4      
Lp 35 -      
300 Lt   1,60 1,20    
Ps   8 3    
Lp   29 -    
400 Lt   2,10 1,60 1,30  
Ps   15 5 2  
Lp   36 24 -  
500 Lt     2 1,60  
Ps     7 3  
Lp     29 20  
600 Lt     2,30 1,90 1,60
Ps     10 4 2
Lp     34 25 -
700 Lt       2,20 1,80
Ps       6 3
Lp       29 21
800 Lt       2,50 2,10
Ps       7 4
Lp       32 25
900 Lt         2,30
Ps         5
Lp         27

1000

Lt         2,60
Ps         6
Lp         30

Selection

Qv

150x150

225x225

300x300

375x375

450x450

100

Lth

0,80        
Ps 5        

Lw

-        
160

Lth

1,20 0,80      
Ps 12 2      

Lw

29 -      
200

Lth

1,60 1      
Ps 18 4      

Lw

35 -      
300

Lth

  1,60 1,20    
Ps   8 3    

Lw

  29 -    
400

Lth

  2,10 1,60 1,30  
Ps   15 5 2  

Lw

  36 24 -  
500

Lth

    2 1,60  
Ps     7 3  

Lw

    29 20  
600

Lth

    2,30 1,90 1,60
Ps     10 4 2

Lw

    34 25 -
700

Lth

      2,20 1,80
Ps       6 3

Lw

      29 21
800

Lth

      2,50 2,10
Ps       7 4

Lw

      32 25

900

Lth

        2,30
Ps         5

Lw

        27

Quick selection

Qv

150x150

225x225

300x300

375x375

450x450

100 Lt 0,80        
Ps 5        
Lp -        
160 Lt 1,20 0,80      
Ps 12 2      
Lp 29 -      
200 Lt 1,60 1      
Ps 18 4      
Lp 35 -      
300 Lt   1,60 1,20    
Ps   8 3    
Lp   29 -    
400 Lt   2,10 1,60 1,30  
Ps   15 5 2  
Lp   36 24 -  
500 Lt     2 1,60  
Ps     7 3  
Lp     29 20  
600 Lt     2,30 1,90 1,60
Ps     10 4 2
Lp     34 25 -
700 Lt       2,20 1,80
Ps       6 3
Lp       29 21
800 Lt       2,50 2,10
Ps       7 4
Lp       32 25
900 Lt         2,30
Ps         5
Lp         27

1000

Lt         2,60
Ps         6
Lp         30

Symbols and specifications

  • Values at ceiling height of 2.7m
  • Temperature difference Dt = -10K
  • Lt 0.25 = Horizontal throw in m at vt = 0.25m/s
  • Ps = Static pressure loss in Pa
  • Lp = Acoustic pressure incl. 5dB of room attenuation in dB(A)
  • Qv = Air Volume in m³/h
  • LXH = Neck diffuser
A04.032.2  •  Subject to technical modification
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