Flexible aluminium hose with glass fibre insulation The diameter refers to the inner diameter of the hose 25mm insulation thickness all round Inner and outer hose polyester-reinforced; inner hose with concealed steel spiral Extremely flexible, smallest bending radius 0.54 x NW Medium temperature 0°C to 140°C, flame-retardant in accordance with DIN 4102 class B2 Thermal insulation is used to prevent condensation and reduce heat and cold loss.

The Sonodec 25 consists of a perforated aluminium laminate inner tube, an acoustic and thermal insulating wool layer and an aluminium laminate outer jacket. A barrier layer between the duct and the glass wool prevents the diffusion of glass wool particles. ApplicationVentilation systemsAir treatment installationsPreventing the formation of condensation in air treatment systemsReduction of installation noiseProperties: Temperature range:-30 °C to 140 °Coperating pressure:max. +2500 Paair velocity:max. 30 m/sbending radius:min. 0.54 x ∅ + 25 mmdiameter range:82 - 508 mmstandard length:10 mtr material:inner tube:aluminium/polyester laminatebarrier layer:plastic filminsulating wool blanket:25 mm, 16 kg/m³r-value:0.65m² K/W (ASTM C177-76)outer jacket:aluminium/polyester laminateappearance:aluminium