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delta duct FD4-RN pre insulated duct panels and accessories incube holding srilanka

Delta Duct FD4 – RN – Reinforced Metalized Core Duct

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Applications: Mechanical Plant Rooms, Industrial Air Distribution Lines. Key Features: Reinforced Outer Jacket with Reflective Metalized Inner Core. Compliance: High Durability for High-Traffic Maintenance Areas.

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Combining a reinforced exterior with a high-performance interior, the Delta Duct FD4 – RN features a reinforced metalized PET outer jacket and a double-layer metalized PET and clear polyester inner core. This dual reinforcement ensures the duct can withstand harsh handling while maintaining peak thermal performance through its high-quality fiberglass insulation.

Real-World Applications

  • Mechanical Plant Rooms: Used for terminal connections in plant rooms where air pressure and physical durability are priorities.

  • Commercial Kitchen Ventilation: Often used in secondary air distribution lines where a tougher jacket resists environmental wear.

  • Industrial Air Transport: Reliable for moving conditioned air across large industrial workshops.

Specification: (from product catalog)

  • Diameter: 4″ to 20″

  • Inner Core: Double layer metalized PET & clear polyester

  • Outer Jacket: Reinforced metalized PET laminated over clear polyester

  • Max Velocity: 5000 FPM (25.5 m/s)

  • Max Positive Pressure: 10″ W.C. (2.5 KPa)

  • Insulation R-Value: 4.2 or 6 ($F-hr/BTU$)

Authorized Distribution in Sri Lanka

Incube Holding Sri Lanka is the primary sales and distribution agent for Delta Duct air conditioning solutions and HAPRI building insulation products. We provide direct access to these high-quality enterprise building materials, specializing in Thermal and Acoustic Insulation Solutions across Sri Lanka.

For reliable, durable, and international-standard air distribution systems, trust the partnership between Delta Duct and Incube Holding.

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