GA/T 798-2008 in English

本标准为首次发布。
本标准规定了排油烟气防火止回阀的术语和定义、分类、代号与型号标记、材料和结构、要求、试验方法、检验规则、标志、包装、储运、使用说明书和贮存等。
本标准适用于建筑内厨房排油烟集中管道和卫生间排风共用管道上设置的止回阀。

Scope

This standard specifies the terms and definitions, classification, codes and model markings, materials and structures, requirements, test methods, inspection rules, markings, packaging, storage and transportation, Instructions for use and storage, etc. This standard applies to check valves installed on centralized kitchen exhaust fume ducts and public bathroom exhaust ducts in buildings.