This document specifies dimensions, tolerances and denomination for rigid metallic ductwork used for ventilation air conditioning of buildings including test methods and performance characteristics regarding strength and leakage for ductwork , ducts and fittings in laboratory conditions.The test methods, shapes, designs and performance characteristics are applicable for ventilation ducts with circular and rectangular cross sections. The leakage test methods are also applicable to other cross sections.This document does not include ductwork made from insulation duct board, which is covered in , non-metallic ductwork, covered in and all components that have more functions than the transport of air for example fire dampers, filter units, air terminal devices handled in and . This document does not include requirements for the overall system design for the air tightness which is covered in . On-site tests are given in .
Registration number (WIID)
79757
Scope
This document specifies dimensions, tolerances and denomination for rigid metallic ductwork used for ventilation air conditioning of buildings including test methods and performance characteristics regarding strength and leakage for ductwork , ducts and fittings in laboratory conditions.The test methods, shapes, designs and performance characteristics are applicable for ventilation ducts with circular and rectangular cross sections. The leakage test methods are also applicable to other cross sections.This document does not include ductwork made from insulation duct board, which is covered in , non-metallic ductwork, covered in and all components that have more functions than the transport of air for example fire dampers, filter units, air terminal devices handled in and . This document does not include requirements for the overall system design for the air tightness which is covered in . On-site tests are given in .
