acoustic insulated isodec hvac


Duroflex Insulated is manufactured using Aluflex as the inner core, wrapped in a polyester insulation blanket with the outer skin / vapour barrier in a durable AL-PET spirally wound sleeve. This flexible is very durable and ideal for making final connections to diffusers and other outlets or inlets of air conditioning systems. Due to the fact that the AL-PET material is used in both the core and the outer sleeve the flexible is fire rated and has been tested and certified to be SANS 10177-3: 2005 Class 3 fire rated.

Technical Data

Diameter Range 62 mm to 508 mm
Air Velocity Max 30m/sec
Working Pressure Max 300 mm WG Min (D/30 – 25) x 9,81 Pa
Fibreglass Thickness 25 mm
Fibreglass Density 16 kg/m3
Standard Length 10 metres packed into a plastic
Fire Rating  SANS 10177-3.2005 Class 3 Fire Rating

VMPET Physical Properties

Film Thickness 0.0007mm – 0.125mm
Width 5mm-1600mm
ID 76±0.5mm or 105±0.5mm
OD 250mm-650mm
Color Silver
Class Normal/Flame Retardant
Thickness 20 microns / 25 microns