标准摘要
[中文适用范围]： 本部分ISO 6944规定了一种测试方法，要求厨房排风管道提供防火性能。该要求旨在限制当管道内发生火灾时火势的蔓延，并评估当管道周围发生火灾时管道的结构完整性。 [外文原描述]： ISO 6944-2:2009 establishes a method of test in which kitchen extract ducts are required to provide fire resistance. The requirements are intended to limit the spread of fire from the duct when a fire occurs within the duct and assesses the structural integrity of the duct when a fire occurs in the area surrounding the duct.
英文名称Fire containment — Elements of building construction — Part 2: Kitchen extract ducts