What Does a Yellow Pipe Label Mean?

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A yellow pipe label is a common method of identifying the contents of a pipe in industrial and commercial settings. The color yellow is used to indicate the presence of a variety of materials, including natural gas, oil, steam, petroleum, or other gaseous materials. This color code is widely recognized and used in many industries to help ensure the safe handling of these materials.

The use of color codes for pipe identification is based on the American National Standards Institute (ANSI) A13.1 standard, which provides a consistent and standardized system for identifying pipes, valves, and other equipment throughout a facility. According to this standard, pipes carrying natural gas, oil, steam, petroleum, or other gaseous materials should be marked with a yellow background and bold black text, with the specific type of material identified.

For example, a pipe carrying natural gas would be labeled with the word “NATURAL GAS” in black letters. Similarly, a pipe carrying steam would be labeled with the word “STEAM” in black letters on a yellow background. This helps to ensure that the contents of a pipe are clearly identified and handled safely.

In addition to color codes, other methods of identification may also be used for pipes. These may include labeling, tagging, or marking the pipe with the type of fluid it is transporting or using advanced technology such as RFID tagging. This can provide an additional layer of safety and security, helping to ensure that the contents of the pipe are properly identified and handled.

Additional Resources

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  1. A Guide to ANSI Pipe Marking Standards
  2. Why is Pipe Marking Important?
  3. Using Valve Tags in the Workplace