ISO 27509:2012 石油和天然气工业 带IX密封圈的密实性法兰连接

标准编号：ISO 27509:2012

中文名称：石油和天然气工业 带IX密封圈的密实性法兰连接

英文名称：Petroleum and natural gas industries — Compact flanged connections with IX seal ring

发布日期：2012-12

标准范围

ISO 27509:2012规定了圆钢和镍合金紧凑型法兰连接件及相关密封圈的详细制造要求，适用于公称尺寸从DN 15（NPS？）到DN 1200（NPS 48）的指定压力和温度等级为CL 150（PN 20）到CL 1500（PN 260），以及公称尺寸从DN 15（NPS？）到DN 600（NPS 24）的CL 2500（PN 420）。ISO 27509:2012适用于石油、石化和天然气行业工艺管道中使用的焊接颈法兰、盲法兰、叶片垫片和垫片盲板（叶片盲板）、阀门/设备整体法兰、孔板垫片、异径螺纹法兰和刚性接口。ISO 27509:2012适用于-196°C至+250°C的温度范围。ISO 27509:2012不适用于外部压力。

ISO 27509:2012 specifies detailed manufacturing requirements for circular steel and nickel alloy compact flanged connections and associated seal rings, for designated pressures and temperatures in class designations CL 150 (PN 20) to CL 1500 (PN 260) for nominal sizes from DN 15 (NPS？) to DN 1200 (NPS 48), and for CL 2500 (PN 420) for nominal sizes from DN 15 (NPS？) to DN 600 (NPS 24).ISO 27509:2012 is applicable to welding neck flanges, blind flanges, paddle spacers and spacer blinds (paddle blanks), valve/equipment integral flanges, orifice spacers, reducing threaded flanges and rigid interfaces for use in process piping for the petroleum, petrochemical and natural gas industries.ISO 27509:2012 is applicable within a temperature range from -196 °C to +250 °C.ISO 27509:2012 is not applicable for external pressure.

标准预览图