CSA ANSI Z21.81a-2007 (CSA 6.25a-2007)

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Addenda to the Second Edition

ANSI Z21.81 -2005 • CSA 6.25-2005

American National Standard/

CSA Standard For

Cylinder Connection

Devices

ANSI Z21.81a-2007

CSA 6.25a-2007

Part I: Construction

1.6 Marking

1.6.4

Dust caps for CGA 791 connections shall bear the following marking:

“Use this cap when cylinder is not in use.”

Note: Changes, other than editorial, are denoted by a vertical line in the margin.

Approved November 13, 2006 by American National Standards Institute, Inc.

Approved March 26, 2007 by the Interprovincial Gas Advisory Council; Effective in Canada November 1,

2008.

Standard Developer:

CSA America, Inc. Canadian Standards Association

8501 East Pleasant Valley Road 5060 Spectrum Way, Suite 100,

Cleveland, Ohio, U.S.A 44131 Mississauga, Ontario, Canada L4W 5N6

Published March 2007 Page 1

Canadian Standards Association

Permission is granted to republish material herein in laws or ordinances, and in regulations,

administrative orders, or similar documents issued by public authorities. Those desiring permission for

other republication should consult the Canadian Standards Association at 5060 Spectrum Way, Suite

100, Mississauga, Ontario, Canada L4W 5N6.

CSA America, Inc.

Permission is granted to republish material herein in laws or ordinances, and in regulations,

administrative orders, or similar documents issued by public authorities. Those desiring permission for

other republication should consult CSA America, Inc. at 8501 East Pleasant Valley Road, Cleveland, Ohio

44131.

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摘要：

CSA ANSI Z21.81a-2007 (CSA 6.25a-2007) 是由加拿大标准协会（CSA）与美国国家标准学会（ANSI）联合发布的燃气器具连接器安全标准修订版，专门针对住宅和轻型商业环境中可移动燃气器具（如炉灶、干衣机及室内加热器）的柔性连接管路设计、材料、性能测试及安装要求进行规范。该标准旨在确保连接器在承受机械应力、温度变化及燃气腐蚀等条件下仍能保持密封性与耐久性，有效降低气体泄漏引发的火灾或爆炸风险。作为北美地区广泛引用的行业准则，本标准的最新修订同步更新了实验室泄漏测试、

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