ANSI/ASME B16.44a-1997 标准详情
- 标准号:ANSI/ASME B16.44a-1997
- 中文标题:家庭管道系统中用手动金属气阀
- 英文标题:Manually Operated Metallic Gas Valves for Use in House Piping Systems
- 标准类别:美国国家ANSI
- 发布日期:1997
Applies to new valve construction and covers quarter turn manually operated metallic valves in sizes NPS 1/2, which are intended for indoor installation as gas shutoff valves when installed in indoor gas piping between a gas meter outlet and the inle
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