Graphic Products” six-page “Guides & Standards for Facility Pipe Marking” reference includes the standards for ANSI pipe markers, ammonia pipe markers, and additional standards for pipe markers in commercial, public, school, and retail buildings. Also featured are requirements for size, color and content identification of the pipe markers, as well as proper placement on the pipes. Pipe marking support products are also included as options for simplifying difficult pipe labeling applications. For more information and to download this guide, visit