Standard No.:	CJ 202-2004
English Name:	Air admittance valves for building drainage systems
Chinese Name:	建筑排水系统吸气阀
Chinese Classification:	Q81    Water supply and draining instrument and equipment
Professional Classification:	CJ    Professional Standard - Urban Construction
ICS Classification:	91.140.80 91.140.80    Drainage systems 91.140.80
Source Content Issued by:	MOC
Issued on:	2004-12-2
Implemented on:	2005-6-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	8000 words
Translation Price(USD):	200.0
Delivery:	via email in 1 business day

为提高吸气阀安全的可靠性、保证产品质量，制定本标准。考虑到对我国开发吸气阀技术的发展要求，本标准不规定产品的结构，只适用于采用重力方式密封。本标准规定了建筑排水系统吸气阀的分类、要求、试验方法、检验规则、标志、包装、运输和贮存。本标准适用于承受不超过正压力10 000 Pa，且在-20℃～+60℃的温度范围内工作的吸气阀。化工、实验室以及其他特殊场合下使用吸气阀，可参照本标准执行。