The natural gas high-pressure pipeline marker post, as an important facility of natural gas pipelines, plays an important role in providing reminders and warnings. However, due to various human movements and unauthorized dismantling, 35 natural gas high-pressure pipeline markers were lost, posing a safety hazard to the city's safe gas supply. The Municipal Gas Group reminds citizens to protect the marker posts and high-pressure natural gas pipelines in the city from damage, ensuring the safety of gas supply throughout the city.

Introduction to basic parameters of marker posts:

1. Marker post material: It is refined from fiberglass profiles.

2. The surface text of the marker post product is processed with special silk screen printing and concave treatment, and is colored and solidified in one go.

3. The marker post has bright colors, good strength, and a service life of over 30 years.

4. Marker posts are truly maintenance free, unlike materials such as cement and stone that require regular annual painting and lettering, saving maintenance labor costs. The surface text foundation of marker posts is hard and durable. It can also be customized one by one according to the information provided by the user unit, such as the station number, mileage, path direction indicator arrow, and maintenance phone number.

5. Installation method for marker posts: excavate the buried depth pit, cross two 25 cm steel bars in front, back, left, and right, and fix them with cement stones. The circular pavement brick adopts a circular hole opener to drill holes through the road surface according to the required size of the pipeline. The lower part is fixed with cement slurry, and the upper mouth is flush with the road surface.

6. The marker post project enhances the standardized management image of the enterprise for Party A, and the specific size of the marker post can be customized according to requirements.

7. Technical data related to marker posts:

1. Tensile strength ≥ 160 MPa

2. Bending strength ≥ 190 MPa

3. Bending strength after immersion ≥ 150 MPa

4. Babbitt hardness ≥ 38

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