VH300

Vortex duct complies with australian standard as 4254.1vortex featuresmetalised inner core wrapped in polyester insulation covered in a metalised outer fire jacket.operating temperature -20°c to +80°coperating pressure -190pa + 1200pablack inner coredomestic and commercial systems – heating or coolingcomplies with as4254.1ductwork insulation is defined by the “insulation blanket r-value”for commercial there are a number of varying r-valuerequirements – please refer adma website or find a copyof the ncc @www.adma.net.au