ANSI Pipe Marking

ANSI Pipe Marking Specifications

The ANSI requires that piping in an industrial settings feature pipe marking labels that effectively communicate the contents of the pipes, such as Ammonia, along with arrows that indicate the direction of the flow. Hazards such as extreme temperature or pressure must also be identified if they exist.

The ANSI A13.1 standard separates materials carried in above-ground piping systems into three categories:

1. High-Hazard Materials
2. Low-Hazard Materials
3. Fire Suppression Materials

The three hazard classes have different color-coded labels associated with them. All high-hazard materials use black characters on a yellow background.

 The low-hazard materials are divided into two different color schemes depending on physical state. Liquid materials are labeled using white lettering on a green background, and gaseous materials are labeled using white characters on a blue background.

Labels for fire suppression materials use white letters on a red background.

A label must be placed on a pipein a manner that makes it easy to read. Labels should be placed on the lower side of the pipe if the employee has to look up to the pipe, on the upper side of the pipe if the employee has to look down at the pipe.

Labels have to be applied on all differing piping segments, including pipes that change direction or pass through walls and floors. They must also be placed at regular intervals on long runs of straight pipe.

You can create your own fully compliant pipe markers using DuraLabel Continuous Vinyl and ribbons with either the DuraLabel PRO, DuraLabel 7000, or DuraLabel 9000 printer. This industrial quality supply comes in a wide variety of colors and is resistant to UV rays, moisture, chemicals and scratching.

Use DuraLabel vinyl tapes and specialty supplies to label Ammonia piping, Medical Piping, Marine Piping, and all HVAC components.

We recommend the DuraLabel PRO
as a general purpose label printer