- Contact Person : Mr. xu Bruce
- Company Name : Shanghai Xuanyuan Air-Conditioning Equipments Co., Ltd.
- Tel : 86-21-64919550
- Fax : 86-21-64919550
- Address : Shanghai,Shanghai,No. 2 Factory Building, No. 169, Sanlu Road, Pujiang Town, Minhang District
- Country/Region : China
- Zip : 201112
4 inch Semi-rigid aluminum duct
Aluminum semi-rigid duct
AS-type air duct is designed for wherever Class 1 air duct is required
The corrugated aluminum is twisted to form a continuous airtight lock-seam
AS-type air duct is suitable for heating, ventilation and air conditioning systems, fireplaces, dust and smoke collectors, as well as a number of other applications requiring a product that is both durable and reliable
Construction MaterialsThe air duct is made entirely of aluminum that is twisted to form a continuous airtight lock-seam.
Operating Pressure (inches water column)Positive = 6 inches H²O (1.5 kPa)Negative = 6 inches H²O (1.5 kPa)
Operating Temperature RangeMinimum = -20°F (-28°C)Maximum = 435°F (224°C)
Velocity (feet per minute)5,000 f.p.m. (25 m/s)
Surface Burning CharacteristicsMaximum Flame Spread = 0Maximum Smoke Development = 0
Available Diameters3, 4, 5, 6, 7, 8 inches
Available Lengths10 feet
4 inch Semi-rigid aluminum duct