double layer heat resistant aluminium foil flexible duct hose for hvac system
Construction:
- Single layer aluminum flexible duct (AFD-S)
- 1 layer of the aluminium laminated with the polyester with the coil made of the spring wire.
- Total 2 layers: 1st layer: Aluminum foil ( 10um); 2nd layer: Polyester(15um)
- Spring wire: carbon steel from 0.9~1.3mm
- Multi layer aluminum flexible duct (AFD-D)
- 2 layers of the aluminium laminated with the polyester with the coil made of the spring wire.
- Total 3 layers: 1st layer: Aluminum foil ( 10um); 2nd layer: Polyester(15um); 3rd layer: Aluminum foil ( 10um)
- spring wire: carbon steel from 0.9~1.3mm
Description:
- Duct is built of the aluminium laminated with the polyester. It was designed especially for the needs of the ventilation and air conditioning market.
- It has the advantage of no need to use special tools for cutting or fixing, it does not emit toxic gases in high temperatures. it is fire resistance.
Technical specification:
| AFD-S | AFD-D |
Air velocity: | 30m/s (max) | 30m/s (max) |
Temperature range: | -30℃ to '+150℃ | -30℃ to '+250℃ |
Operating pressure: | 3000Pa (max) | 3000Pa (max) |
Fire resistance: | yes | yes |
Standard length: | 10m | 10m |
Size:
Diameter | spring wire (mm) | |
space | diameter | |
4" | 25 | 1.0 |
5" | 25 | 1.0 |
6" | 30 | 1.0 |
7" | 30 | 1.1 |
8" | 35 | 1.1 |
10" | 40 | 1.2 |
12" | 40 | 1.2 |
14" | 40 | 1.2 |
16" | 40 | 1.3 |
18" | 40 | 1.3 |
20" | 40 | 1.3 |
Foshan Vairtech Ventilation Co., Ltd is a professional manufacturer for supplying full range of ventilation products with about 15 years' experience, which is located in the Aluminum Hometown of China - Foshan City. We enjoy transportation & raw material convenience.
"Customer first, quality first" ---We are sincerely welcome you to contact us for business.