Ansi Pipe Labeling Color Coding Standards

Ansi pipe labeling and marking standards what are osha s requirements related to ansi pipe marking standards.

Ansi pipe labeling color coding standards.

Nitric acid boiler water. 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. Scheme for the identification of piping systems a13 1 1956. 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 color code standards when following the ansi a13 1 standards the most important thing is to understand the six most common color schemes. Osha references the standard from ansi the american national standards institute but it doesn t refer to the most current version. 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. This standard explains colors text size and placement of pipe marking labels.

Color marking will make identification easier for raw material and fluid that being transport by the pipe. The asme standard for pipe identification is a widely used guideline in. 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. 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.

Are particular shades of yellow green red and blue required for pipe labels. The following are the main options for this set of 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. Pipe color coding is not a complicated process especially if industry standards are used.

This standard identifies the color of the labels and what those colors mean. Compressed air defined by user defined by user defined by user defined by user pipes shall be marked. There are various national and international pipe color code standards are available. Ansi recommendations for pipe marking are recognized and respected in most industries and are an excellent starting point for most pipe marking projects.

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. I have used both british and american version to spell color colour. 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.