Standard No.:	GA 481-2004
English Name:	Smoke damper(vent)
Chinese Name:	排烟阀(口)
Chinese Classification:	Q76    Building heating and ventilation and air conditioning instrument and equipment
Professional Classification:	GA    Professional Standard - Security
ICS Classification:	91.140.30 91.140.30    Ventilation and air-conditioning systems 91.140.30
Source Content Issued by:	Ministry of Public Security
Issued on:	2004-03-29
Implemented on:	2004-10-1
Status:	superseded
Superseded by:	GB 15930-2007 Fire dampers for building venting and smoke-venting system
Superseded on:	2008-1-1
Target Language:	English
File Format:	PDF
Word Count:	5000 words
Translation Price(USD):	150.0
Delivery:	via email in 1~3 business day

本标准规定了排烟阀(口)的产品分类、规格、标记、要求、试验方法、检验规则及标志、标签、包装、运输、使用说明书和贮存等。本标准适用于工业与民用建筑(包括地下工程)防排烟系统中使用的排烟阀(口)。