Sound insulated duct: SONODEC – TRD
Fully flexible high-quality factory sound insulated duct, for all low/medium pressure air conditioning and ventilation systems. Standard micro-perforated inner core, separating flame retardant polyester insulation from the airstream. TRD is the perfect combination of very high sound absorption and excellent thermal insulation. The outer jacket/vapor barrier is made of a very tough spirally reinforced multiple layer aluminium laminated construction.
Wire : High tensile steel wire helix
Wire Spacing : 25 mm.
Diameter : 102 mm.-508 mm. (4 ins.-20 ins.)
Temperature Range : From -30° C to 140° C
Air Velocity : Maximum 20 m/sec
Working Pressure : 200 mm. Pa 8 ins. wg
Polyester Insulation : 10 kg/m3 – 1.5 inches
Packing : 10 meters/pack