What is the ASME standard for pipe marking?

Pipe markings are used in a wide range of environments including commercial, industrial, and even residential. They are also used in structures around the world. These markings are an easy and affordable way to ensure those who need to know what is contained within a pipe can identify it right away. In order to make this process easier, most companies have adopted a set of pipe marking standards that was developed by the American Society of Mechanical Engineers, or ASME.

Even places outside of the United States use these standards, or a local version that is very much like the ASME instructions. This is because they are a proven way to ensure the information that is needed is readily available. The current set of standards is A13.1, which was updated in 2007 and then again reaffirmed in 2013. These standards cover a variety of different areas related to pipe markings.

Breakdown of Pipe Marking Standards

The ASME standards list out a number of different things that need to be included on the labels that are used for marking pipes. The following are the main areas that are covered under the set of standards from ASME:

  • Color Scheme – The color scheme is one of the easiest ways to let people know what is in a pipe. There are quite a few different color standards in place, each with a different meaning. By following the standards, people can look in any facility and quickly identify what types of liquids and gasses will be found in each pipe.
  • Label Size – The size of the markings is very important. Size pipes themselves vary in size significantly, ASME has several categories of the label length based on how large a pipe is.
  • Text Size – Similarly, the size of the text on the markings is important to ensure maximum visibility while still fitting on the labels themselves.
  • Label Placement – Pipes often run long distances, and can even travel through walls or other obstructions. ASME has included a list of required placement locations along the pipes to ensure people can easily see what is printed on those labels.

These are the main categories that are covered in the ASME standards. When followed properly maintenance workers, emergency responders, and many others will be able to identify what is flowing within pipes so that they can take the correct actions.

 

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