Ansi Pipe Labeling Color Coding Standards

Ansi asme a13 1 latest revision ansi asme a13 1 ansi asme a13 1 is the most common pipe identification standard used in the united states.

Ansi pipe labeling color coding standards.

The standard specifies the primary and secondary means of identifying pipe content as well as the size color and placement of the identification device. Color marking will make identification easier for raw material and fluid that being transport by the pipe. Pipe marking standards are not specifically outlined or defined by osha but standard number 1910 261 a 3 ii notes the asme s ansi standard a13 1 as the recommended scheme for identification of pipe systems. This standard explains colors text size and placement of pipe marking labels.

Color coding of pipelines and piping materials are standard industry practices. Osha references the standard from ansi the american national standards institute but it doesn t refer to the most current version. The reason pipe marking is a little less straightforward is because osha s standard on the issue 29 cfr 1910 261 a 3 ii only states. Ansi pipe labeling and marking standards what are osha s requirements related to ansi pipe marking standards.

This standard identifies the color of the labels and what those colors mean. Ansi asme a13 1 pipe color code standards explained businesses should familiarize themselves with the ansi asme a13 1 pipe color code standard which is the industry consensus standard for marking pipes. There are various national and international pipe color code standards are available. Yes asme a13 1 2015 references the technical definitions color standards and color tolerances set forth in the american national standards institute ansi national electrical manufacturers association nema z535 1 safety colors standard which was last updated in 2017.

The asme standard for pipe identification is a widely used guideline in. Compressed air defined by user defined by user defined by user defined by user pipes shall be marked. Nitric acid boiler water. Ansi recommendations for pipe marking are recognized and respected in most industries and are an excellent starting point for most pipe marking projects.

Pipe color coding is not a complicated process especially if industry standards are used. These colors will be used on almost all pipes and making sure that everyone in the facility can immediately recognize them and what they mean will improve safety significantly. The american national standards institute ansi offers a systematic approach for labeling the piping systems in a facility in the ansi asme a13 1 standard. Pipe marking guide to the ansi asme a13 1 2007 standard for the identification of pipes color code material properties flammable letter color on field color black eljo example hydrogen acetic acid.

Are particular shades of yellow green red and blue required for pipe labels. There are many standards out there from a variety of sources but the most popular is the ansi asme a13 1 standard. Pipe marking color code standards when following the ansi a13 1 standards the most important thing is to understand the six most common color schemes.