本文件规定了石油天然气管道输送系统用感应加热弯管的设计、材料、制造工艺、力学性能、试验和检验、标志、运输、储存及防护等要求。按本文件规定制作的弯管适用于符合GB 50251、GB 50253设计的天然气、原油及符合国家现行产品标准要求的成品油管道。本文件适用于以碳钢或低合金钢无缝钢管、高频焊管和直缝埋弧焊接钢管作为母管制造的感应加热弯管。〓〓注: 这些材料都是典型的CMn钢或低合金钢,与GB/T 9711-2017和ISO 3183:2019管线钢管强度级别一致。〓本文件规定的感应加热弯管两个产品规范等级(PSL)与GB/T 9711-2017和ISO 3183:2019相对应。本文件不适用于采用其他工艺生产的管线用弯管。
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This standard defines terms and definitions of natural gas generating set for the petroleum industry (named generating set in the follows, including natural gas engines used for offshore drilling and production processing platform), specifies of technical requirements, test items, test methods, test rules, marking, packaging, storage requirements.
This standard is applicable to the generating set with output power range of 3 kW4 500 kW and rated frequency of 50 Hz.which consists of Reciprocating Internal Combustion (RIC) engine of natural gas or diesel/gas dual fuel (hereinafter referred to engine) , Alternating Current (AC) generator and any associated control device and auxiliary equipment.
This standard can be used as basis for the generating set with frequency of 60 Hz, or the sets fueled with other gases.
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