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FOAM System: Complete Pre-Insulated Ductwork

Duct and fittings insulated with rubber mat
Photo of product Duct and fittings insulated with rubber mat

The FOAM System: Complete Rubber Insulated Ductwork Piping

The FOAM System constitutes a complete, high-specification piping solution for ventilation and air conditioning. By integrating the core structure of the SPIRAL System with factory-applied, closed-cell rubber mat insulation, this category offers a unified, technical product line. It is engineered to meet the stringent demands of modern HVAC systems, ensuring both exceptional thermal performance and sufficient system tightness straight out of the box, drastically reducing on-site installation time.

System Components and Dimensional Compliance

The system is comprised of all necessary elements to construct an entire air-handling network. The integrity of the system is based on strict adherence to dimensional standards, ensuring full compatibility and reliable jointing.

  • Core Elements: Round spiro pipes and a full range of ventilation fittings, including elbows, T-pipes, reducing pipes, joints, and stub pipes.
  • Diameter Standard: The diameters of elements made of sheet are in accordance with the industry standard PN-EN-1506:2001.
  • Tolerance Assurance: Inner diameters strictly comply with the standard round element tolerances. This basis is critical for the overall system tightness and the secure fit of the factory-fixed EPDM gaskets.

Integrated Thermal Insulation Specifications

Every component is pre-insulated with a flexible rubber mat, a closed-pore foam based on synthetic rubber. This material is chosen for its superior temperature insulation properties and resistance to external factors, supporting system longevity.

Available Insulation Thicknesses

The insulation mat is available in four specific dimensions to suit various project requirements, offering architects flexibility in design and installers the required thermal barrier.

  • 9 mm
  • 13 mm
  • 19 mm
  • 25 mm

This factory-applied method guarantees consistent insulation thickness across the entire piping run, a key factor in calculating precise thermal losses.

Tightness and Quality Guarantee

The FOAM System's design is heavily focused on exceeding industry tightness standards, a feature primarily achieved through the base SPIRAL product and the factory-fitted EPDM rubber gasket.

  • Gasket Reliability: The system utilises a factory-fixed rubber EPDM gasket that ensures the insulation class D airtightness (certified in accordance with EN 12237).
  • EPDM Material: The homogenous EPDM rubber selected is extremely resistant to UV radiation, ozone, and wide temperature fluctuations, ensuring the gasket's integrity and long-term sealing performance irrespective of assembly conditions.

 

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Alnor Ventilation Systems
Krakowska 10 Avenue
05-552 Wola Mrokowska
Poland

tel. +48 22 737 40 00