Ecograce Ventilation System Air Ducting Flexible Duct Fabric Air Duct , HVAC Ducting with fabrics , flexible duct with fabrics . Fire Retardant , Flame Retardant Flame Proof air ducting fabrics duct . Industrail Ventilation System Air Duct. Fabric Air Duct Hose , Flexible Air Fabric Duct Air Distribution Duct Textiles . Air Pipe Air Tube Air ducting Fabric For HVAC system air duct .
ECOGRACE Fabric Air ducting advantages :
Flame resistance conforms to EN71-2 : 2011/DIN4102/UL94.
Woven polyester fabric with both sides pvc coated.
Low friction loss.
Dual suspension fin/tab to withstand double pressure.
Seam welded by hot air or HF to be airtight and provide low leakage.
High wear resistance and tear strength.
Anti-static feature(<3*108) optional.
Diameter range 400mm-3000mm.
Standard length 20m, custom lengths available.
Standard coupling : zipper coupling + sleeve cover, other connection way available.
Annual production 2,000,000m for ventilation ducts and 15,000,000 m2 duct fabric, fully meet your needs.
Ready for fast and easy installation.
Apply for related certification as different country or region.
Specification of the Air Duct Fabrics :
|Item ||Unit ||Result |
|Color ||- || customized |
|Base Fabric ||- ||knitted/woven polyester fabric |
|Weight ||g/m2 ||180 -900 or customized |
|Length ||m ||1-300 or customized |
|Diameter of Duct ||mm ||300-3000 or customized |
| Joint of Duct ||Longitudinal Joint ( Related to Diameter) ||pcs ||1-4 |
|Circumferential joint ||pcs ||1 |
|Sealing flap extend ||mm ||10-20 |
|Duct ||Non-perpendicularity with Duct Axes ||° ||3 |
|Steel Ring Material ||- ||spring manganese steel or cold drawn steel |
|Diameter of Steel Ring ||mm ||5-10 or customized |
|Distance Between Gromment ||mm ||50-80 or customized |
|Suspension Way ||- ||suspension fin/patch or customized |
|Connection Way ||- ||steel ring or zipper connection |
|Torsional Capacity ||Duct Length (≤5m) ||mm ||1/24 |
|Duct Length (>5m) ||1/6 |
|Tensile Strength of Welding Joint ||N/50mm ||1000-2500 or customized |
|Tensile Strength (Warp/Weft) ||N/50mm ||1500-3000 or customized |
|Tear Strength(Warp/Weft) ||N ||400-600 or customized |
|Adhesion Strength ||N/50mm ||60-100 or customized |
|Antistatic ||Ω ||<3*108 or optional |
|Wind Pressure Resistance ||Pa ||3000-10000 |
|Flame Retardant ||- ||EN-71/UL94/DIN4102 or customized |