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SONOFLEX 25 • Acoustic laminated aluminium flexible ducts

  • Insulated
  • Aluminium laminated
  • Acoustically insulated
  • Fire resistance B - s1, d0
  • 25 mm insulation
  • Pink anti-allergical glass wool

The SONOFLEX 25 is a thermally and acoustically insulated duct, consisting of a micro-perforated inner duct of the ALUFLEX type and a laminated 3-layer outer jacket. The yellow fibreglass anti-allergic insulation has been developed especially for flexible ducting. A polyester barrier is applied between the fibreglass insulation and the inner duct to avoid the diffusion of insulation particles in the air stream.

Application

  • The SONOFLEX 25 flexible ducts are used in ventilation, air conditioning, and air handling systems where high mechanical strength, temperature, fire-resistance, and thermal and sound attenuating qualities are required

Composition

  • Micro-perforated inner duct of the ALUFLEX type, consisting of
    • 1 layer of 7 μ aluminium
    • 1 layer of 12 μ polyester (PET)
    • 1 layer of 12 μ aliminized polyester (PET)
    • Total thickness without glue: 31 μ
  • Metalized polyester outer jacket 3-layer laminate, consisting of
    • 2 layers of polyester of 12 μ each
    • 1 layer aluminium of 7µ
    • Total thickness without glue: 31 μ
  • Fibreglass insulation:
- Density: 16 kg/m³
- Thickness: 25 mm
- Thermal resistance: 0,65 K.m²/W
- Thermal conductivity: 0,039 W/m-K
- Colour: pink (Ø82 - 406 mm) / yellow (Ø457 - 508 mm)
  • Polyester barrier of 12µ between insulation and inner duct
  • Wire spacing: a steel spiral spring of different thicknesses and a pitch of 25mm (Ø82-90mm), 36mm (Ø102-508mm)
  • Colour: Aluminium

Specifications

  • Temperature range: From - 30°C till + 140°C
  • Air velocity (max): 20 m/s
  • Operating pressure: -188 up to 2500 Pa
  • Center bend radius: 1 x Diameter minimum
  • Diameter range: 82 mm - 508 mm
  • Fire resistance: class B - s1, d0 according to EN13501-1
  • As the product does not contain PVC, no toxic vapours are released should fire occur
  • Produced according EN 13180: Dia Class B, Thightness Class C, Sag<4°, Crushing strength 13-35kg compressed; 2.5kg uncompressed.

Packaging

  • Each standard length of 10 m is compressed in an individual, reinforced cardboard box

Chemical resistance

  • Good resistance to many organic solvents
  • Moderate resistance to acid and base

Static properties

  • The SONOFLEX 25 is suitable for applications where static discharges have to be avoided

Restrictions

  • The SONOFLEX 25 ducts are not suitable for transporting air with a high concentration of acid and base
  • The SONOFLEX 25 can not be used for discharging combustion gases from open fire places and oil-fired boilers

Accessories

  • Clamps type MCA
  • Aluminium tape, type ALUTAPE 40S PREMIUM

Articles

Article selection assistant
Type
Cooling capacity [kW]
Heating Capacity* [kW]
Hydraulic connection
Article number Type Cooling capacity [kW] Heating Capacity* [kW] Hydraulic connection E-shop
J036151900001 Romeo-ECM-1M-NC/L/2P 0.70 0.87 Left
J036151900002 Romeo-ECM-2M-NC/L/2P 1.49 1.77 Left
J036151900003 Romeo-ECM-3M-NC/L/2P 2.04 2.34 Left
J036151900004 Romeo-ECM-4M-NC/L/2P 2.53 2.78 Left
J036151900005 Romeo-ECM-5M-NC/L/2P 2.84 3.12 Left
J036151900006 Romeo-ECM-6M-NC/L/2P 3.19 3.60 Left
J036151901001 Romeo-ECM-1M-NC/R/2P 0.70 0.87 Right
J036151901002 Romeo-ECM-2M-NC/R/2P 1.49 1.77 Right
J036151901003 Romeo-ECM-3M-NC/R/2P 2.04 2.34 Right
J036151901004 Romeo-ECM-4M-NC/R/2P 2.53 2.78 Right
J036151901005 Romeo-ECM-5M-NC/R/2P 2.84 3.12 Right
J036151901006 Romeo-ECM-6M-NC/R/2P 3.19 3.60 Right
J036151910001 Romeo-ECM-1M-RC/L/2P 0.70 0.87 Left
J036151910002 Romeo-ECM-2M-RC/L/2P 1.49 1.77 Left
J036151910003 Romeo-ECM-3M-RC/L/2P 2.04 2.34 Left
J036151910004 Romeo-ECM-4M-RC/L/2P 2.53 2.78 Left
J036151910005 Romeo-ECM-5M-RC/L/2P 2.84 3.12 Left
J036151910006 Romeo-ECM-6M-RC/L/2P 3.19 3.60 Left
J036151911001 Romeo-ECM-1M-RC/R/2P 0.70 0.87 Right
J036151911002 Romeo-ECM-2M-RC/R/2P 1.49 1.77 Right
J036151911003 Romeo-ECM-3M-RC/R/2P 2.04 2.34 Right
J036151911004 Romeo-ECM-4M-RC/R/2P 2.53 2.78 Right
J036151911005 Romeo-ECM-5M-RC/R/2P 2.84 3.12 Right
J036151911006 Romeo-ECM-6M-RC/R/2P 3.19 3.60 Right
J036151920001 Romeo-ECM-1M-RC/TD/L/2P 0.70 0.87 Left
J036151920002 Romeo-ECM-2M-RC/TD/L/2P 1.49 1.77 Left
J036151920003 Romeo-ECM-3M-RC/TD/L/2P 2.04 2.34 Left
J036151920004 Romeo-ECM-4M-RC/TD/L/2P 2.53 2.78 Left
J036151920005 Romeo-ECM-5M-RC/TD/L/2P 2.84 3.12 Left
J036151920006 Romeo-ECM-6M-RC/TD/L/2P 3.19 3.60 Left
J036151921001 Romeo-ECM-1M-RC/TD/R/2P 0.70 0.87 Right
J036151921002 Romeo-ECM-2M-RC/TD/R/2P 1.49 1.77 Right
J036151921003 Romeo-ECM-3M-RC/TD/R/2P 2.04 2.34 Right
J036151921004 Romeo-ECM-4M-RC/TD/R/2P 2.53 2.78 Right
J036151921005 Romeo-ECM-5M-RC/TD/R/2P 2.84 3.12 Right
J036151921006 Romeo-ECM-6M-RC/TD/R/2P 3.19 3.60 Right
J036151930001 Romeo-ECM-1M-RC/TD/App/L/2P 0.70 0.87 Left
J036151930002 Romeo-ECM-2M-RC/TD/App/L/2P 1.49 1.77 Left
J036151930003 Romeo-ECM-3M-RC/TD/App/L/2P 2.04 2.34 Left
J036151930004 Romeo-ECM-4M-RC/TD/App/L/2P 2.53 2.78 Left
J036151930005 Romeo-ECM-5M-RC/TD/App/L/2P 2.84 3.12 Left
J036151930006 Romeo-ECM-6M-RC/TD/App/L/2P 3.19 3.60 Left
J036151931001 Romeo-ECM-1M-RC/TD/App/R/2P 0.70 0.87 Right
J036151931002 Romeo-ECM-2M-RC/TD/App/R/2P 1.49 1.77 Right
J036151931003 Romeo-ECM-3M-RC/TD/App/R/2P 2.04 2.34 Right
J036151931004 Romeo-ECM-4M-RC/TD/App/R/2P 2.53 2.78 Right
J036151931005 Romeo-ECM-5M-RC/TD/App/R/2P 2.84 3.12 Right
J036151931006 Romeo-ECM-6M-RC/TD/App/R/2P 3.19 3.60 Right
Prices right version = prices left version

Pressure loss graph

Pressure loss in 90° bend

Sound attenuation for 1, 2 and 3m duct

SONOFLEX 25Test report Peutz bv - The Netherlands n° A3308-1-RA-001
Ø [mm]L [m]Attenuation, dB -Mid Frequency [Hz]
631252505001000200040008000
8210.32.99.218.333.142.239.234.9
265.412.524.835.847.948.649.7
32.67.516.527.439.651.550.952.7
10217.911.11726.929.336.924.620.7
211.11931.634.438.546.441.230.1
314.92537.534.842.451.252.147.9
12716.16.617.32728.434.721.617.9
211.117.133.131.936.743.434.824.6
311.417.739.233.739.246.946.337.3
15213.34.21217.21923.613.18.3
23.37.118.329.632.738.924.317.6
35.812.529.333.536.143.131.821.5
16515.53.810.320.120.524.715.611.8
210.510.721.230.431.238.423.815.9
312.313.4313538.244.134.122.1
18519.71.711.618.61924.113.710.6
211.910.225.827.530.237.82619.4
314.415.534.830.234.842.437.828.8
20312.75.813.619.819.420.313.211.6
29.110.327.528.530.635.626.622.8
39.810.125.434.640.44445.143.2
22913.76.216.214.616.616.19.57.1
29.317.630.723.326.728.51813.8
37.614.13328.532.939.129.325.4
25417.72.612.916.416.615.68.57.8
28.27.625.224.627.629.119.315.6
310.412.833.229.23134.62418.8
30513.94.612.914.814.412.36.75.9
29.712.827.622.124.321.811.710.1
311.217.43125.627.127.315.915
31515.15.914.313.712.911.36.35
29.212.126.92223.220.811.88.5
312.117.130.42526.728.317.715.5
35614.23.710.411.411.88.44.64.3
25.35.921.318.821.718.412.212.1
35.88.625.325.329.832.724.418.6
40617.16.812.71110.96.943.2
29.715.822.318.322.513.18.17
311.718.22622.526.327.31815.6
Test report Peutz bv - The Netherlands n° AB323-1
Ø [mm]L [m]Attenuation, dB -Mid Frequency [Hz]
631252505001000200040008000
4571 12108868 
2 201715161312 
3 252221251916 
5081 888967 
2 201716171111 
3 242220251514 

Order example

Sonoflex 25, 254

Explanation :

Sonoflex 25 = Type of flexible duct

254 = Diameter of flexible duct

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