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SEMISONO d203 3m boxed

Product Code
42191000
€112.47 €91.44

The image on the website is with stainless steel end caps. The 3m duct is supplied without the steel caps.

Material

SemiSono is a semi flexible sound attenuator consists of single layer corrugated perforated aluminium AL 99,5 inner duct and provided with a laminated aluminum and polyester outer jacket.

The space between the inner and outer duct is filled with 25 mm sound absorbing material.

The duct is in 3-meter length without steel caps or fitted with stainless steel caps both ends.

Caps are used for easy connection to any rigid ductwork, pipes and fitings.

Application:
SemiSono is designed for air conditioning systems, ventilation systems and machine noise reduction.

Resolves the problems of measures inaccuracy and saves the time of installation and material.

Product construction:
The product Flexible duct „ SemiSono “include the following components:
- Inner core: 1 Layer of 0,09 mm semi flexible alu
- Insulation: a glass wool with 25 mm thick and 16 kg/m³ density
- Outer core: 3 Layers - 1 layer of 7 μm Aluminium and 2 layers of 12 μm Polyester
- Non-Woven barrier between insulation and inner duct
- Optional: Stainless steel caps
- Optional: PVC ring (MM - 2 pcs, MF – 1 pcs)

Properties:
Good flexibility
Good compression

Specification:
Product code: given in the table bellow,
Temperature range: from -30º C to +140º C,
Diameters: from 80 mm to 315 mm,
Standard lengths: 0.5 m, 1 m, 1.5 m. and 3m (the 3m duct is without cap)

Sound attenuation with 25mm insulation
Dn (mm) Length L 63 Hz 125 Hz 250 Hz 500 Hz 1 kHz 2 kHz 4 kHz 8 kHz
100 0,5 14 16 21 25 22 27 21 8
125 0,5 10 15 19 18 18 27 15 5
160 0,5 9 13 18 15 15 24 15 6
200 0,5 5 7 17 13 13 17 10 6
250 0,5 6 10 12 9 11 13 5 4
315 0,5 7 9 11 8 8 6 4 3
100 1 13 17 22 35 35 37 39 11
125 1 13 19 33 31 32 33 30 10
160 1 7 17 31 25 23 30 25 10
200 1 9 9 28 21 23 31 16 10
250 1 5 19 21 16 16 28 9 6
315 1 7 20 17 14 19 18 9 4

 

More Information
Duct Diameter 200
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