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Flexible Duct
Flexible Duct
Century Mechanical Systems (India) Pvt Ltd offers a Flexible Duct, Model Supaflex 13APM. This is made of triple lamination of aluminium foil, polyester and metalized polyester film permanently bonded to a coated spring steel wire helix. Thermal efficiency is provided by wrapping the exterior with a blanket of fiberglass insulation. The strong outer insulation jacket/vapour barrier is made of fiberglass reinforced metalized polyester film laminate.
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- Standard length – 25 ft
- Standard diameters – 4†to 20â€
- Velocity – 5,000 FPM maximum
- Fire rating – certified to BS 476 Parts 5, 6 and 7
- Puncture test – complies with UL 181 Part 14
- Temperature range – 32-200o F
- Pressure – 8†maximum working pressure
- Insulation thickness – 25 mm
- Insulation density – 16 kg/m3
- I nsulation R value – 4.2(oF-Ft2-hr/BTU)
- Packing – 1 piece (25 ft) per carton