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(PS/) SNS-XL (RAL9016) • Square nozzle diffusers with square pattern and XL nozzles

Multinozzle ceiling diffusers with high induction rate, consisting of a square plate with individual adjustable nozzles arranged in a square pattern and to be equipped with a plenum box.

The nozzles are designed to create a high Coanda effect at both low and high flow rates.

PS/SNS-XL = diffuser SNS-XL in plate 596 X 596

Brand

  • Cairox

Application

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

Material

  • Steel and plastic composite combination

Colour

  • Standard colour white, RAL 9016
  • Nozzles and diffuser also available in RAL 9010 and 9005, price on request

Composition

  • Frontplate made of powder coated steel
  • Nozzles made out of Bayblend® a blend of ABS and polycarbonate made of recycled plastics
  • Central screw mounting

Mounting

  • Fixing by central screw in the crossbar of the plenum box.

Accessories

  • Polystyrene plenum box, type PPS-P with duct connection PPS-APD and mounting bar PPS-MB

  • Non-insulated square plenum box, type REV-B
  • Insulated square plenum box, type REV-B ISO
  • Regulating valve for plenum box,type CRC
  • Non-insulated square plenum box for SNS-XL 600-80, type REF 595/450

Text for tender

Copy
  • The air supply ceiling diffusers are square with a square arranged nozzlepattern. They are made of a steel powdercoated frontplate in white finish RAL 9016 and nozzles in plastic composite materials. The diffusers are standard delivered with galvanized steel plenumbox equipped with perforated plate and damper in the side entry spigot. The diffuser is centrally screw mounted.
  • Cairox Type (PS)/SNS-XL

Order example

  • SNS-XL, 600-64 + PPS-P 600 + PPS-APD 250 + PPS-MB

Explanation

SNS-XL= Diffuser type

600 = Diffuser size

64 = Number of nozzles

Accessories

PPS-P 600 = Plenum box

PPS-APD 250 = Plenum box connection diameter

PPS-MB = mounting bar for PPS-P plenum

Articles

Article selection assistant
Battery type
Type
Type of regulation
Type of connection
Size
Article number Battery type Type Type of regulation Type of connection Size E-shop
I100261010101 NB AMBERAIR COMPACT S-RSH 1000L NB MCB MCB Horizontal 1000
I100261010111 BE AMBERAIR COMPACT S-RSH 1000L BE MCB MCB Horizontal 1000
I100261010121 CO AMBERAIR COMPACT S-RSH 1000L CO MCB MCB Horizontal 1000
I100261010131 DX AMBERAIR COMPACT S-RSH 1000L DX MCB MCB Horizontal 1000
I100261010201 NB AMBERAIR COMPACT S-RSH 1000R NB MCB MCB Horizontal 1000
I100261010211 BE AMBERAIR COMPACT S-RSH 1000R BE MCB MCB Horizontal 1000
I100261010221 CO AMBERAIR COMPACT S-RSH 1000R CO MCB MCB Horizontal 1000
I100261010231 DX AMBERAIR COMPACT S-RSH 1000R DX MCB MCB Horizontal 1000
I100261015101 NB AMBERAIR COMPACT S-RSH 1500L NB MCB MCB Horizontal 1500
I100261015111 BE AMBERAIR COMPACT S-RSH 1500L BE MCB MCB Horizontal 1500
I100261015121 CO AMBERAIR COMPACT S-RSH 1500L CO MCB MCB Horizontal 1500
I100261015131 DX AMBERAIR COMPACT S-RSH 1500L DX MCB MCB Horizontal 1500
I100261015201 NB AMBERAIR COMPACT S-RSH 1500R NB MCB MCB Horizontal 1500
I100261015211 BE AMBERAIR COMPACT S-RSH 1500R BE MCB MCB Horizontal 1500
I100261015221 CO AMBERAIR COMPACT S-RSH 1500R CO MCB MCB Horizontal 1500
I100261015231 DX AMBERAIR COMPACT S-RSH 1500R DX MCB MCB Horizontal 1500
I100261020101 NB AMBERAIR COMPACT S-RSH 2000L NB MCB MCB Horizontal 2000
I100261020111 BE AMBERAIR COMPACT S-RSH 2000L BE MCB MCB Horizontal 2000
I100261020121 CO AMBERAIR COMPACT S-RSH 2000L CO MCB MCB Horizontal 2000
I100261020131 DX AMBERAIR COMPACT S-RSH 2000L DX MCB MCB Horizontal 2000
I100261020201 NB AMBERAIR COMPACT S-RSH 2000R NB MCB MCB Horizontal 2000
I100261020211 BE AMBERAIR COMPACT S-RSH 2000R BE MCB MCB Horizontal 2000
I100261020221 CO AMBERAIR COMPACT S-RSH 2000R CO MCB MCB Horizontal 2000
I100261020231 DX AMBERAIR COMPACT S-RSH 2000R DX MCB MCB Horizontal 2000
I100261030101 NB AMBERAIR COMPACT S-RSH 3000L NB MCB MCB Horizontal 3000
I100261030111 BE AMBERAIR COMPACT S-RSH 3000L BE MCB MCB Horizontal 3000
I100261030121 CO AMBERAIR COMPACT S-RSH 3000L CO MCB MCB Horizontal 3000
I100261030131 DX AMBERAIR COMPACT S-RSH 3000L DX MCB MCB Horizontal 3000
I100261030201 NB AMBERAIR COMPACT S-RSH 3000R NB MCB MCB Horizontal 3000
I100261030211 BE AMBERAIR COMPACT S-RSH 3000R BE MCB MCB Horizontal 3000
I100261030221 CO AMBERAIR COMPACT S-RSH 3000R CO MCB MCB Horizontal 3000
I100261030231 DX AMBERAIR COMPACT S-RSH 3000R DX MCB MCB Horizontal 3000
I100261040101 NB AMBERAIR COMPACT S-RSH 4000L NB MCB MCB Horizontal 4000
I100261040111 BE AMBERAIR COMPACT S-RSH 4000L BE MCB MCB Horizontal 4000
I100261040121 CO AMBERAIR COMPACT S-RSH 4000L CO MCB MCB Horizontal 4000
I100261040131 DX AMBERAIR COMPACT S-RSH 4000L DX MCB MCB Horizontal 4000
I100261040201 NB AMBERAIR COMPACT S-RSH 4000R NB MCB MCB Horizontal 4000
I100261040211 BE AMBERAIR COMPACT S-RSH 4000R BE MCB MCB Horizontal 4000
I100261040221 CO AMBERAIR COMPACT S-RSH 4000R CO MCB MCB Horizontal 4000
I100261040231 DX AMBERAIR COMPACT S-RSH 4000R DX MCB MCB Horizontal 4000
I100261050101 NB AMBERAIR COMPACT S-RSH 5000L NB MCB MCB Horizontal 5000
I100261050111 BE AMBERAIR COMPACT S-RSH 5000L BE MCB MCB Horizontal 5000
I100261050121 CO AMBERAIR COMPACT S-RSH 5000L CO MCB MCB Horizontal 5000
I100261050131 DX AMBERAIR COMPACT S-RSH 5000L DX MCB MCB Horizontal 5000
I100261050201 NB AMBERAIR COMPACT S-RSH 5000R NB MCB MCB Horizontal 5000
I100261050211 BE AMBERAIR COMPACT S-RSH 5000R BE MCB MCB Horizontal 5000
I100261050221 CO AMBERAIR COMPACT S-RSH 5000R CO MCB MCB Horizontal 5000
I100261050231 DX AMBERAIR COMPACT S-RSH 5000R DX MCB MCB Horizontal 5000
I100261070101 NB AMBERAIR COMPACT S-RSH 7000L NB MCB MCB Horizontal 7000
I100261070111 BE AMBERAIR COMPACT S-RSH 7000L BE MCB MCB Horizontal 7000
I100261070121 CO AMBERAIR COMPACT S-RSH 7000L CO MCB MCB Horizontal 7000
I100261070131 DX AMBERAIR COMPACT S-RSH 7000L DX MCB MCB Horizontal 7000
I100261070201 NB AMBERAIR COMPACT S-RSH 7000R NB MCB MCB Horizontal 7000
I100261070211 BE AMBERAIR COMPACT S-RSH 7000R BE MCB MCB Horizontal 7000
I100261070221 CO AMBERAIR COMPACT S-RSH 7000R CO MCB MCB Horizontal 7000
I100261070231 DX AMBERAIR COMPACT S-RSH 7000R DX MCB MCB Horizontal 7000
I100261090101 NB AMBERAIR COMPACT S-RSH 9000L NB MCB MCB Horizontal 9000
I100261090111 BE AMBERAIR COMPACT S-RSH 9000L BE MCB MCB Horizontal 9000
I100261090121 CO AMBERAIR COMPACT S-RSH 9000L CO MCB MCB Horizontal 9000
I100261090131 DX AMBERAIR COMPACT S-RSH 9000L DX MCB MCB Horizontal 9000
I100261090201 NB AMBERAIR COMPACT S-RSH 9000R NB MCB MCB Horizontal 9000
I100261090211 BE AMBERAIR COMPACT S-RSH 9000R BE MCB MCB Horizontal 9000
I100261090221 CO AMBERAIR COMPACT S-RSH 9000R CO MCB MCB Horizontal 9000
I100261090231 DX AMBERAIR COMPACT S-RSH 9000R DX MCB MCB Horizontal 9000
I100262010101 NB AMBERAIR COMPACT S-RSV 1000L NB MCB MCB Vertical 1000
I100262010111 BE AMBERAIR COMPACT S-RSV 1000L BE MCB MCB Vertical 1000
I100262010121 CO AMBERAIR COMPACT S-RSV 1000L CO MCB MCB Vertical 1000
I100262010131 DX AMBERAIR COMPACT S-RSV 1000L DX MCB MCB Vertical 1000
I100262010201 NB AMBERAIR COMPACT S-RSV 1000R NB MCB MCB Vertical 1000
I100262010211 BE AMBERAIR COMPACT S-RSV 1000R BE MCB MCB Vertical 1000
I100262010221 CO AMBERAIR COMPACT S-RSV 1000R CO MCB MCB Vertical 1000
I100262010231 DX AMBERAIR COMPACT S-RSV 1000R DX MCB MCB Vertical 1000
I100262015101 NB AMBERAIR COMPACT S-RSV 1500L NB MCB MCB Vertical 1500
I100262015111 BE AMBERAIR COMPACT S-RSV 1500L BE MCB MCB Vertical 1500
I100262015121 CO AMBERAIR COMPACT S-RSV 1500L CO MCB MCB Vertical 1500
I100262015131 DX AMBERAIR COMPACT S-RSV 1500L DX MCB MCB Vertical 1500
I100262015201 NB AMBERAIR COMPACT S-RSV 1500R NB MCB MCB Vertical 1500
I100262015211 BE AMBERAIR COMPACT S-RSV 1500R BE MCB MCB Vertical 1500
I100262015221 CO AMBERAIR COMPACT S-RSV 1500R CO MCB MCB Vertical 1500
I100262015231 DX AMBERAIR COMPACT S-RSV 1500R DX MCB MCB Vertical 1500
I100262020101 NB AMBERAIR COMPACT S-RSV 2000L NB MCB MCB Vertical 2000
I100262020111 BE AMBERAIR COMPACT S-RSV 2000L BE MCB MCB Vertical 2000
I100262020121 CO AMBERAIR COMPACT S-RSV 2000L CO MCB MCB Vertical 2000
I100262020131 DX AMBERAIR COMPACT S-RSV 2000L DX MCB MCB Vertical 2000
I100262020201 NB AMBERAIR COMPACT S-RSV 2000R NB MCB MCB Vertical 2000
I100262020211 BE AMBERAIR COMPACT S-RSV 2000R BE MCB MCB Vertical 2000
I100262020221 CO AMBERAIR COMPACT S-RSV 2000R CO MCB MCB Vertical 2000
I100262020231 DX AMBERAIR COMPACT S-RSV 2000R DX MCB MCB Vertical 2000
I100262030101 NB AMBERAIR COMPACT S-RSV 3000L NB MCB MCB Vertical 3000
I100262030111 BE AMBERAIR COMPACT S-RSV 3000L BE MCB MCB Vertical 3000
I100262030121 CO AMBERAIR COMPACT S-RSV 3000L CO MCB MCB Vertical 3000
I100262030131 DX AMBERAIR COMPACT S-RSV 3000L DX MCB MCB Vertical 3000
I100262030201 NB AMBERAIR COMPACT S-RSV 3000R NB MCB MCB Vertical 3000
I100262030211 BE AMBERAIR COMPACT S-RSV 3000R BE MCB MCB Vertical 3000
I100262030221 CO AMBERAIR COMPACT S-RSV 3000R CO MCB MCB Vertical 3000
I100262030231 DX AMBERAIR COMPACT S-RSV 3000R DX MCB MCB Vertical 3000
I100262040101 NB AMBERAIR COMPACT S-RSV 4000L NB MCB MCB Vertical 4000
I100262040111 BE AMBERAIR COMPACT S-RSV 4000L BE MCB MCB Vertical 4000
I100262040121 CO AMBERAIR COMPACT S-RSV 4000L CO MCB MCB Vertical 4000
I100262040131 DX AMBERAIR COMPACT S-RSV 4000L DX MCB MCB Vertical 4000
I100262040201 NB AMBERAIR COMPACT S-RSV 4000R NB MCB MCB Vertical 4000
I100262040211 BE AMBERAIR COMPACT S-RSV 4000R BE MCB MCB Vertical 4000
I100262040221 CO AMBERAIR COMPACT S-RSV 4000R CO MCB MCB Vertical 4000
I100262040231 DX AMBERAIR COMPACT S-RSV 4000R DX MCB MCB Vertical 4000
I100262050101 NB AMBERAIR COMPACT S-RSV 5000L NB MCB MCB Vertical 5000
I100262050111 BE AMBERAIR COMPACT S-RSV 5000L BE MCB MCB Vertical 5000
I100262050121 CO AMBERAIR COMPACT S-RSV 5000L CO MCB MCB Vertical 5000
I100262050131 DX AMBERAIR COMPACT S-RSV 5000L DX MCB MCB Vertical 5000
I100262050201 NB AMBERAIR COMPACT S-RSV 5000R NB MCB MCB Vertical 5000
I100262050211 BE AMBERAIR COMPACT S-RSV 5000R BE MCB MCB Vertical 5000
I100262050221 CO AMBERAIR COMPACT S-RSV 5000R CO MCB MCB Vertical 5000
I100262050231 DX AMBERAIR COMPACT S-RSV 5000R DX MCB MCB Vertical 5000
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Dimensions

 AxA [mm]# Nozzles
SNS-XL 300-16298x29816
SNS-XL 400-24398x39824
SNS-XL 500-36498x49836
SNS-XL 500-48498x49848
PS/SNS-XL 300/596-16596x59616
PS/SNS-XL 400/596-24596x59624
PS/SNS-XL 500/596-36596x59636
PS/SNS-XL 500/596-48596x59648
SNS-XL 600-64596x59664
SNS-XL 600-80596x59680

Quick selection

SNS-XL- # Nozzles300 - #16400 - #24500 - #36500 - #48600 - #64600 - #80600 - #80
 Ak0.0190.02850.04270.05690.07590.09490.0949
QPlenumPPS-P Ø125PPS-P Ø160PPS-P Ø200PPS-P Ø250PPS-P Ø250PPS-P Ø250REF 595-Ø315
B1.22.43.61.22.43.61.22.43.61.22.43.61.22.43.61.22.43.61.22.43.6
100 H=2.70.160.120.09                  
VzH=3.20.120.090.08                  
 H=3.80.090.080.06                  
Vk1.5      
X(0,25)1      
Pt10      
Lw(A)<20      
150 H=2.70.240.170.130.190.130.1               
VzH=3.20.180.140.110.140.110.09               
 H=3.80.140.110.10.110.090.07               
Vk2.21.5     
X(0,25)1.51.1     
Pt2310     
Lw(A)28<20     
200 H=2.70.320.230.180.250.180.14               
VzH=3.20.240.190.150.190.140.12               
 H=3.80.190.150.130.140.120.1               
Vk2.91.9     
X(0,25)1.91.5     
Pt4118     
Lw(A)3726     
300 H=2.70.480.350.270.370.270.210.310.220.170.310.220.17         
VzH=3.20.360.280.230.280.210.170.230.180.140.240.180.15         
 H=3.80.280.230.190.210.170.150.180.140.120.180.150.12         
Vk4.42.921.5   
X(0,25)2.92.21.91.9   
Pt9139157   
Lw(A)493825<20   
400 H=2.7   0.50.350.280.410.290.230.420.30.230.380.270.21      
VzH=3.2   0.370.290.230.310.240.190.310.240.20.280.220.18      
 H=3.8   0.290.230.20.240.190.160.240.20.170.220.180.15      
Vk 3.92.621.5  
X(0,25) 32.52.52.3  
Pt 6827139  
Lw(A) 463424<20  
500 H=2.7   0.620.440.340.520.370.290.520.370.290.470.340.260.450.320.250.450.320.25
VzH=3.2   0.460.360.290.390.30.240.390.30.250.350.270.220.340.260.210.340.260.21
 H=3.8   0.360.290.240.30.240.20.30.250.210.270.220.190.260.210.180.260.210.18
Vk 4.93.32.41.81.51.5
X(0,25) 3.73.13.12.82.72.7
Pt 105412014106
Lw(A) 5341312723<20
600 H=2.7      0.620.440.340.630.450.350.560.40.310.540.390.30.540.390.3
VzH=3.2      0.460.360.290.470.360.290.420.330.260.410.310.250.410.310.25
 H=3.8      0.360.290.240.360.290.250.330.260.220.310.250.210.310.250.21
Vk  3.92.92.21.81.8
X(0,25)  3.73.83.43.23.2
Pt  582920149
Lw(A)  4636322921
700 H=2.7      0.720.520.40.730.520.410.660.470.370.630.450.350.630.450.35
VzH=3.2      0.540.420.340.550.420.340.490.380.310.470.360.30.470.360.3
 H=3.8      0.420.340.280.420.340.290.380.310.260.360.30.250.360.30.25
Vk  4.63.42.622
X(0,25)  4.34.443.83.8
Pt  7940272012
Lw(A)  5141373325
800 H=2.7         0.840.60.470.750.540.420.720.520.40.720.520.4
VzH=3.2         0.630.480.390.560.430.350.540.420.340.540.420.34
 H=3.8         0.480.390.330.430.350.30.420.340.280.420.340.28
Vk   3.92.92.32.3
X(0,25)   54.54.34.3
Pt   52352615
Lw(A)   45413729
1000 H=2.7         1.050.750.580.940.670.520.90.640.50.90.640.5
VzH=3.2         0.790.60.490.710.540.440.680.520.420.680.520.42
 H=3.8         0.60.490.410.540.440.370.520.420.360.520.420.36
Vk   4.93.72.92.9
X(0,25)   6.35.65.45.4
Pt   82554024
Lw(A)   52484436

Symbols and specifications

  • Q = Air volume in m³/h
  • Ak = Effective surface (free area) in m²
  • B = Distance between the diffusers in m
  • H = Installation height of the diffusers in m
  • Vz = Maximum velocity at the occupied zone according to distance between the diffusers and installation height in m/s
  • Vk = Average effective velocity through the diffuser in m/s
  • X0.25 = Throw length in m at an end velocity Vt of 0,25m/s
  • Pt = Total pressure loss over difuuser and plenum given in Pa
  • Lw(A) = Acoustic power in dB(A)


  • The throw X0.25 is given at an end velocity of 0.25m/s for a smooth ceiling without any obstacles.
  • The values are given for isothermal supply air. Throw distances for cooling conditions at -11K can be calculated by dividing the X0.25 values with factor 1.1. For heating purposes at Dt of +11K a multiplier of 1.1 should be applied to the given X0.25 value.
  • In order to achieve a high comfort level, selections can be made according to the maximal velocity at the occupied zone Vz. These values are given at distances between diffusers B and installation heights H. Velocities Vz lower than, or equal to 0,25m/s at the occupied zone are advised.
  • The pressure losses Ps are given for diffusers without damper of with fully opened damper.
  • The acoustic power values Lw(A) are given for diffusers without damper of with fully opened damper without room attenuation. Acoustic powers below 20dB(A) are mentioned as "<20" in the tables.
  • For all special requirements, please contact our engineering office.


Placement instruction

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