烟和热控制系统. 第8部分: 排烟阀

[中文适用范围]： 本文件适用于市场上销售的排烟风阀，旨在作为压差系统或排烟热控制系统的一部分运行。 本文件规定了防烟风门及其相关部件的要求并给出了测试方法的参考，例如打算安装在建筑物中此类系统中的执行器。 此外，还提供了有关这些产品的标记以及安装和维护信息的规定。 本文件区分了两类防烟阀，即单室防烟阀和多室防火防烟阀。 本文件涵盖的防烟风阀可以安装到防烟系统管道中或管道表面上。 它们还可以安装到墙壁、地板或天花板/屋顶元件中或这些元件的表面上。 为了避免重复，参考了各种其他标准。 为此，本文件“注释”可与 EN 13501-4、EN 1366-10 和 ISO 10294-1 一起阅读，了解熔炉测试的详细信息。 本文件没有详细考虑大气中存在的工艺化学品可能造成的有害和/或腐蚀影响，这些化学品有意或无意地通过系统吸入。 [外文原描述]： ISO 21927-8:2017 applies to smoke control dampers, placed on the market and intended to operate as part of a pressure differential system or smoke and heat control system. This document specifies requirements and gives reference to the test methods defined for smoke control dampers and their associated components, such as actuators which are intended to be installed in such systems in buildings. Furthermore, provision on marking and information on installation and maintenance of these products are also given. ISO 21927-8:2017 distinguishes between two categories of smoke control dampers, i.e. single-compartment smoke control dampers and multi‑compartment fire-resisting smoke control dampers. Smoke control dampers covered by this document can be installed into smoke control system ducts or onto the ducts' surface. They can be installed also into a wall, floor or ceiling/roof elements or onto the surface of these elements. NOTE To avoid duplication, reference is made to a variety of other standards. To this end, this document can be read in conjunction with EN 13501‑4, EN 1366‑10 and ISO 10294‑1 for details of the furnace testing. ISO 21927-8:2017 does not consider in detail the detrimental and/or corrosive effects that can be caused by process chemicals present in the atmosphere, which are drawn through the system intentionally or inadvertently.