GB/T 21448-2017 in English
VALIDSpecification of cathodic protection for underground steel pipelines
- Issued on:2017-12-29
- Implemented on:2018-07-01
- File Format:PDF
- Delivery:Via email within 5 business days
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《GB/T 21448-2017埋地钢质管道阴极保护技术规范》由TC355(全国石油天然气标准化技术委员会)归口,主管部门为国家标准化管理委员会。
Scope
This standard specifies the minimum technical requirements for the design, construction, testing, management and maintenance of cathodic protection systems for the outer surface of buried steel pipelines on land (hereinafter referred to as pipelines). This standard applies to buried steel oil, gas and water pipelines on land.

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