Notice on Soliciting Public Opinions on Four Group Standards of the China Urban Gas Association(Including: Urban Gas IoT System Technical Requirements—Part 2: Pipelines and Pressure Regulating Facilities; Technical Specification for Defect Repair of Steel Pipelines of Urban Gas; Technical Code for Stray Current Interference Assessment and Protection of Buried Steel Gas Pipelines Affected by Rail Transit; Externally Powered Smart Gas Meters)

2026-06-16 China Gas Association Standards Committee

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To All Relevant Units:

According to the 2026 standardization work plan of the China City Gas Association, the association’s group standards—“Technical Requirements for Urban Gas IoT Systems—Part 2: Pipelines and Pressure Regulating Facilities,” “Technical Specification for Defect Repair of Urban Gas Steel Pipelines,” “Code for Assessment and Protection Against Stray Current Interference on Buried Steel Gas Pipelines from Rail Transit,” and “Externally Powered Smart Gas Meters”—have completed their draft-for-comment versions and are now being made publicly available online for public consultation. The respective lead drafting units are PetroChina Kunlun Gas Co., Ltd., Tongji University, and Chongqing Qianwei Meter Industry Co., Ltd. All relevant organizations and experts in the industry are invited to conduct a comprehensive and detailed review of the content of the draft-for-comment documents (Attachments 1, 2, 3, and 4), submit specific comments or suggestions for revision, and complete the feedback forms for征求意见 (Attachments 5, 6, 7, and 8). Please return the feedback forms to the lead drafting units by email or mail no later than July 15, 2026.

Contact Information:

1. Technical Requirements for Urban Gas Internet of Things Systems – Part 2: Pipelines and Pressure Regulating Facilities

Editor-in-Chief Unit: PetroChina Kunlun Gas Co., Ltd.

Yang Yang: 18210920815 yangyang2021@cnpc.com.cn

2. Technical Specification for Defect Repair of Steel Gas Pipelines in Urban Areas

Editor-in-Chief Unit: PetroChina Kunlun Gas Co., Ltd.

Liu Lei: 18589013903 liulei1010@petrochina.com.cn

3. Code for Assessment and Protection Technology of Stray Current Interference on Buried Steel Gas Pipelines Caused by Rail Transit

Editor-in-chief unit: Tongji University

Chen Zhiguang: 13661566606 chenzhiguang@tongji.edu.cn

4. Intelligent Gas Meter with External Power Supply

Editor-in-Chief Unit: Chongqing Qianwei Meter Industry Co., Ltd.