Pipe identification:

As the awareness of environmental protection in the country continues to increase, accelerating the reform and development of the water treatment industry has become a key task of the country. However, in the process of building or renovating the factory building, accidents caused by poor management and weak staff safety awareness often occur. If the safety management system can be strengthened and the appropriate safety warning signs are matched, the incidence of safety accidents will be greatly reduced. Clearly mark the media and flow direction of the pipeline to reduce the occurrence of various accidents; beautify the pipeline, beautiful vision, easy to understand, avoid misuse, and improve work efficiency; if the system fails, follow the pipeline color code to quickly and accurately find and Trouble-shooting; greatly reduce the cost of maintenance and repair of pipelines and valves in daily operation of enterprises; help enterprises meet national standards and regulations, pass supervision and inspection by safety supervision departments; promote enterprises to pass ISO international quality system certification, enter the international market; Improve the health, safety and environmental management of enterprises, attract investors; enable enterprises to combine economic, social and environmental benefits;

installation method:

The national standard (enforced) is marked on the full length of the pipeline; the color circle with a width of 150mm is marked on the pipeline, and the minimum distance between the two markers shall be 10m. The location of the marking shall include the starting point, the ending point and the intersection of all the pipelines. On the pipelines, bends, valves and sides of the wall holes and other parts that need to be marked, the identification symbol consists of the material name, flow direction and main process parameters. The ANSI standard can be seen at different angles, such as through the valve. In each direction of the time, through the two ends of the wall, the two directions of the corner, etc. In the straight state, it is recommended to mark once every 25' (7, 620mm) - 50' (15, 240mm). Pipeline identification solution:

Safety signs:

Hazard identification:

a) Scope of application: The substances in the pipeline, if they belong to the dangerous chemicals listed in GB13690, the pipelines shall be provided with hazard labels.

b) Representation method: Apply 150mm wide yellow on the pipe and 25mm wide black color ring or ribbon on both sides of the yellow. The safe color range should meet the requirements of GB2893.

c) indicates the location: on or near the identity of the basic identification color.

Fire protection logo:

The special fire-fighting pipelines set up in industrial production shall comply with the provisions of GB13495-1992, and shall identify the “fire-only” identification symbol on the pipeline. The marking part and the minimum font should meet the requirements of 4.5 and 5.4 respectively.

National standard for pipeline identification:

1. National standard (enforcement)

2. Mark the entire length of the pipe;

The rectangular identification mark is marked on the pipe. The minimum distance between the two marks should be 10m. The marked place should include the starting point, the end point, the intersection point, the turning point, the valve and the side of the wall hole. On the pipeline and other parts that need to be identified, the identification symbol consists of the substance name, flow direction and main process parameters.

GB7231-2003 color selection standard

1.ANSI standard

2. Can be seen at different angles, such as each direction through the valve, through the two ends of the wall, the two directions of the corner, etc.

In the straight state, it is recommended to mark once every 25' (7,620mm) - 50' (15, 240mm).

Generally, a set of stickers is placed every 10 meters or more, and a set of turns, walls, valves, and intersections are attached.

ANSI color selection criteria

Editor in charge: Wang Zhen

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