Thermaflex® G-KM Flexible Duct
Flexible Air Duct
Highly efficient, thermally insulated flexible duct for use in low and medium pressure heating and cooling systems. Acoustically rated, self-extinguishing CPE core easily expands over fittings. Core is permanently bonded to a coated spring steel wire helix that supports an ample blanket of fiberglass insulation over a fiberglass scrim and a tough polyethylene vapor barrier. Smooth liner, insulation, and tough vapor barrier provide even airflow and a double air seal.
Features
- Acoustically rated, self-extinguishing CPE core
- Easily expands over fittings
- Even airflow
G-KM Specs
| Diameter | 3-20 inches ID |
| Pressure Rating | (WG) |
| Positive | 6 inches (3˝-16˝ ID) 4 inches (18˝-20˝ ID) |
| Negative | 1 inch (4˝-12˝ ID) 1/2 inch (14˝-20˝ ID) |
| Velocity | 5000 FPM |
| Temp. Range | -20°F – 200°F cont. -20°F – 250°F intermittent |
| R-Value | R-4.2, R-8.0 |