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 .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 :ItemUnitResultColor-customizedbaseFabric-knitted/woven polyesterfabricWeightg/m2180 -900or customizedLengthm1-300 or customizedDiameterofDuctmm300-3000 or customizedJointofDuctLongitudinalJoint(RelatedtoDiameter)pcs1-4Circumferentialjointpcs1Sealing flap extendmm10-20DuctNon-perpendicularitywithDuctAxes°3SteelRingMaterial-springmanganesesteelorcolddrawnsteelDiameterofSteelRingmm5-10 or customizedDistanceBetweenGrommentmm50-80 or customizedSuspensionWay-suspensionfin/patch or customizedConnectionWay-steelringorzipperconnectionTorsionalCapacityDuctLength(≤5m)mm1/24DuctLength(>5m)1/6TensileStrengthofWeldingJointN/50mm1000-2500 or customizedTensileStrength(Warp/Weft)N/50mm1500-3000 or customizedTearStrength(Warp/Weft)N400-600 or customizedAdhesionStrengthN/50mm60-100 or customizedAntistaticΩ<3*108or optionalWindPressureResistancePa3000-10000FlameRetardant-EN-71/UL94/DIN4102 or customized