315mm x 10m SONODEC 25 acoustic insulated aluminium air duct (insulation 25mm) DEC International
€141.55 incl. VAT
€116.98 excl. VAT
The DEC International SONODEC 25 insulated air duct Ø315 mm is a flexible aluminium ventilation duct with thermal and acoustic insulation, designed for air conditioning and air supply systems where noise reduction and condensation control are required. It features a perforated aluminium inner duct, 25 mm glass wool insulation, an anti-migration barrier, and an aluminium laminate outer jacket for effective sound attenuation and durability. The duct has a 315 mm diameter and 10 m length, supports air velocity up to 30 m/s, and operates in a temperature range from -30°C to +140°C.
- Fast delivery across Europe (5-10 business days)
- 30-day returns
- No customs duties within the EU
- Secure payments
– The DEC International SONODEC 25 Ø315 mm x 10m is a flexible aluminium ventilation duct with acoustic and thermal insulation, designed for HVAC and air distribution systems.
– The 25 mm glass wool insulation helps reduce fan and airflow noise while also preventing heat loss, cold loss and condensation in ventilation ducts.
– The duct features a multi-layer construction with an aluminium laminate inner duct, a glass wool insulation layer, and a durable aluminium laminated outer jacket with protective barrier.
– With a 315 mm diameter, this duct is suitable for high-capacity ventilation systems, helping maintain efficient airflow while improving acoustic comfort.
– Temperature range: -30°C to +140°C
– Maximum pressure: 2500 Pa
– Operating air velocity: max 30 m/s
CONSTRUCTION
Inner duct: aluminum / polyester laminate
Barrier: plastic film
Glass wool blanket: 25 mm, 16 kg/m³
Outer jacket: aluminum / polyester laminate
Material: aluminum
APPLICATIONS
– Air conditioning systems
– Air supply systems
– Condensation prevention in ventilation systems
– Equipment noise reduction
– Made in Netherlands.
Related products
102, 127, 160, 203 and 254mm / 10m aluminium air duct Aludec REGA
Aludec REGA is a flexible, non-insulated air duct made of aluminium-polyester laminate. It is a the perfect ducting solution, ensuring flawless airflow and exhaust. Its superior quality and corrosion resistance guarantee reliable performance for many years. It is suitable for use in households as well as commercial or industrial facilities. Available in diameters 102mm, 127mm, 160mm, 203mm, 254mm and 315mm.
102mm x 10m flexible laminated aluminium air duct Combidec 2000 BLUE, DEC International
102 mm/10 m Combidec 2000 Blue flexible laminated aluminium air duct Ø100 mm from DEC International is a heavy-duty ventilation duct offering high mechanical strength, excellent flexibility, and proven fire safety. Ideal for HVAC systems, mechanical ventilation, and industrial air handling applications.
125mm / 3m semi-flexible aluminium air duct SEMIDEC, DEC International
DEC International SEMIDEC Ø125 mm semi-flexible aluminium air duct 3 m, with durable single-layer corrugated construction. High airtightness and mechanical strength for professional ventilation, air handling and demanding HVAC installations.
127mm x 10m flexible laminated aluminium air duct Combidec 2000 BLUE DEC International
DEC International Combidec 2000 Blue Ø127 mm flexible air duct 10 m is a heavy-duty laminated aluminium ventilation duct designed for high mechanical strength, flexibility, and fire safety. Ideal for HVAC systems, mechanical ventilation, and industrial air handling, it offers excellent temperature resistance and long service life.
160mm x 10m flexible laminated aluminium air duct Combidec 2000 BLUE DEC International
160 mm / 10 m Combidec 2000 Blue flexible laminated aluminium air duct Ø160 mm from DEC International is a heavy-duty ventilation duct offering high mechanical strength, excellent flexibility, and proven fire safety. Ideal for HVAC systems, mechanical ventilation, and industrial air handling applications.
DEC International GREENDEC Ø250 mm × 1 m antibacterial insulated flexible sound attenuating air duct with Sanitized® protection and 25 mm glass wool insulation. Designed for hygienic ventilation and HVAC systems, including hospitals, cleanrooms, heat recovery, air conditioning and air supply applications, helping reduce airflow noise, condensation and heat loss.
Ø100 mm spiral air duct SR 100 / 3 m
Ø 100 mm round spiral duct made of galvanized steel sheet is designed for compact ventilation systems with 100 mm connections. It is commonly used in residential HVAC installations and smaller air distribution networks, providing durable construction, smooth airflow, and quick installation.
Ø400 mm spiral air duct SR 400 / 3 m
Ø 400 mm spiral air duct made of galvanized steel, ideal for HVAC, supply and exhaust ventilation systems. Durable, corrosion-resistant construction ensures efficient airflow and reliable performance in residential and commercial installations. Length 3m.
