目录简介 | 1 Scope This standard specifies the technical requirements and provisions of acceptance for putting into operation, commissioning trial, operation management and maintenance for pipelines conveying purified natural gas. This standard is applicable to pipelines conveying purified natural gas. 2 Normative References The following normative documents contain provisions which, through reference in this text, constitute provisions of this Standard. For dated reference, subsequent amendments (excluding contents of correction) to, or revision of, any of these publications do not apply. However, parties to agreements based on this Standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For undated references, the latest edition of the normative document referred to applies. |