National standard of pipeline color ring

Legal analysis: 3.3. 1 mark the pipeline with a color ring with an arrow, and its width depends on the diameter of the pipeline. 3.3.2 When the pipeline is straight, the minimum distance between two signs should be 10m.

3.3.3 The marking position shall include the starting point, ending point, intersection point, turning point, valve and both sides of the wall hole, etc.

Other parts that need to be identified.

3.3.4 The name of the substance shall be marked on the pipeline, which shall be marked between two colored ring marks with arrows.

3.3.5 The minimum size of fonts or letters and arrows marked on the pipeline shall be determined by clearly observing the identification symbols.

Legal basis: People's Republic of China (PRC) Oil and Gas Pipeline Protection Law.

Article 1 This Law is formulated for the purpose of protecting oil and gas pipelines, ensuring the safety of oil and gas transportation, and safeguarding national energy security and public safety.

Article 2 This Law is applicable to the protection of oil and natural gas pipelines in People's Republic of China (PRC).

This law is not applicable to the protection of urban gas pipelines and pipelines in the factory areas of oil refining and chemical enterprises.

Article 3 The term "petroleum" as mentioned in this Law includes crude oil and refined oil, and the term "natural gas" includes natural gas, coalbed methane and coal-based gas.

The term "pipelines" as mentioned in this Law includes pipelines and their ancillary facilities.

Article 4 The competent department of energy in the State Council shall be in charge of the national pipeline protection work in accordance with the provisions of this Law, be responsible for organizing the formulation and implementation of the national pipeline development plan, coordinate the connection between the national pipeline development plan and other special plans, and coordinate the major issues of pipeline protection across provinces, autonomous regions and municipalities directly under the Central Government. Other relevant departments in the State Council shall be responsible for pipeline protection within their respective responsibilities in accordance with relevant laws and administrative regulations.

Article 5 The competent energy departments of the people's governments of provinces, autonomous regions and municipalities directly under the Central Government and the departments designated by the people's governments of cities and counties divided into districts shall be in charge of pipeline protection within their respective administrative areas in accordance with the provisions of this Law, coordinate and handle major issues of pipeline protection within their respective administrative areas, guide and supervise relevant units to fulfill their obligations of pipeline protection, and investigate and deal with illegal acts endangering pipeline safety according to law. Other relevant departments of the local people's governments at or above the county level shall, in accordance with the provisions of relevant laws and administrative regulations, be responsible for the relevant pipeline protection work within the scope of their respective duties.

The energy departments of the people's governments of provinces, autonomous regions and municipalities directly under the Central Government and the departments designated by the people's governments of cities and counties with districts are collectively referred to as the pipeline protection departments of local people's governments at or above the county level.