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EShop-nummer
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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
Ø [mm]
U [V]
P [W]
Article number Type Ø [mm] U [V] P [W] E-shop
J090112100030 CVA-100-1f-300 MPI 100 230/1ph 300
J090112125030 CVA-125-1f-300 MPI 125 230/1ph 300
J090112125060 CVA-125-1f-600 MPI 125 230/1ph 600
J090112125090 CVA-125-1f-900 MPI 125 230/1ph 900
J090112125120 CVA-125-1f-1200 MPI 125 230/1ph 1200
J090112160100 CVA-160-1f-1000 MPI 160 230/1ph 1000
J090112160120 CVA-160-1f-1200 MPI 160 230/1ph 1200
J090112160200 CVA-160-1f-2000 MPI 160 230/1ph 2000
J090112160240 CVA-160-1f-2400 MPI 160 230/1ph 2400
J090112200100 CVA-200-1f-1000 MPI 200 230/1ph 1000
J090112200120 CVA-200-1f-1200 MPI 200 230/1ph 1200
J090112200200 CVA-200-1f-2000 MPI 200 230/1ph 2000
J090112200240 CVA-200-1f-2400 MPI 200 230/1ph 2400
J090112250100 CVA-250-1f-1000 MPI 250 230/1ph 1000
J090112250120 CVA-250-1f-1200 MPI 250 230/1ph 1200
J090112250200 CVA-250-1f-2000 MPI 250 230/1ph 2000
J090112250240 CVA-250-1f-2400 MPI 250 230/1ph 2400
J090112315100 CVA-315-1f-1000 MPI 315 230/1ph 1000
J090112315120 CVA-315-1f-1200 MPI 315 230/1ph 1200
J090112315200 CVA-315-1f-2000 MPI 315 230/1ph 2000
J090112315240 CVA-315-1f-2400 MPI 315 230/1ph 2400
J090212160300 CVA-160-2f-3000 MPI 160 400/2ph 3000
J090212160500 CVA-160-2f-5000 MPI 160 400/2ph 5000
J090212200300 CVA-200-2f-3000 MPI 200 400/2ph 3000
J090212200500 CVA-200-2f-5000 MPI 200 400/2ph 5000
J090212200600 CVA-200-2f-6000 MPI 200 400/2ph 6000
J090212200603 CVA-200-3f-6000 MPI 200 400/3ph 6000
J090212250300 CVA-250-2f-3000 MPI 250 400/2ph 3000
J090212250500 CVA-250-2f-5000 MPI 250 400/2ph 5000
J090212250600 CVA-250-2f-6000 MPI 250 400/2ph 6000
J090212250603 CVA-250-3f-6000 MPI 250 400/3ph 6000
J090212315300 CVA-315-2f-3000 MPI 315 400/2ph 3000
J090212315500 CVA-315-2f-5000 MPI 315 400/2ph 5000
J090212315600 CVA-315-2f-6000 MPI 315 400/2ph 6000
J090212315603 CVA-315-3f-6000 MPI 315 400/3ph 6000
J090212315903 CVA-315-3f-9000 MPI 315 400/3ph 9000
J090212400300 CVA-400-2f-3000 MPI 400 400/2ph 3000
J090212400500 CVA-400-2f-5000 MPI 400 400/2ph 5000
J090212400600 CVA-400-2f-6000 MPI 400 400/2ph 6000
J090212400603 CVA-400-3f-6000 MPI 400 400/3ph 6000
J090212400903 CVA-400-3f-9000 MPI 400 400/3ph 9000
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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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