This Standard covers requirements for manually operated metallic valves sizes NPS 1/2 through NPS 2, for outdoor installation as gas shut-off valves at the end of the gas service line and before the gas regulator and meter where the designated gauge pressure of the gas piping system does not exceed 175 psi (12.1 bar). The Standard applies to valves operated in a temperature environment between -20°F and 150°F (-29°C and 66°C).
ANSI/ASME B16.33-2012由美国国家标准学会 US-ANSI 发布于 2012。
ANSI/ASME B16.33-2012 在中国标准分类中归属于: J16 阀门,在国际标准分类中归属于: 23.060.10 球阀。
ANSI/ASME B16.33-2012 于 2013-11-29 变更为 LST EN ISO 4126-5-2013 防过压安全装置. 第5部分: 受控安全泄压系统(CSPRS)(ISO 4126-5-2013)。
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