A more robust, two ply high temperature service duct. Two plies high temperature resistant coated fabric offers a longer service life.Material: Alumina coated, textile glass fabric reinforced with a fine V4A wire.
Construction: Mechanical bond, galvanized steel helix
Diameters: 4” to 24” I.D.Length: 25 feet
Compression Ratio: 4:1
Temperature Range: -200°F (-129°C) to +1500°F (816°C). Intermittent
*Air velocity should be less than 50 m/sec