Thermaflex® PHD
Flexible Air Duct
Patent pending Thermaflex PHD flexible air duct is energy efficient, environmentally friendly and cost effective. Made with 100% recyclable inner core and vapor barrier, PHD is a great choice for LEED projects and applications where sustainability is key. The non-metallic construction of this versatile duct also makes it ideal for MRI and clean rooms.
Watch the Thermaflex PHD video .
PHD Specs
| Diameter | 4-12 inches ID |
| Pressure Rating | (WG) |
| Positive | 10 inches (4˝-12˝ ID) |
| Negative | 1/2 inch (4˝-12˝ ID) |
| Velocity | 5000 FPM |
| Temp. Range | -20°F – 250°F cont. |
| R-Value | R-8.0 = 2.25″, .74 lb./ft3 minimum density fiberglass blanket. |
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