These markers are manufactured with rigid vinyl, their surface is printed with UV ink and then coiled. Coiled or wrap around a pipe markers are styles AA through E (pipes diameters from 3/8" through 6"). These markers are simply uncoiled by hand, and automatically recoiled around the pipe. Marker sizes C, D, E are supplied with a 1/2" wide strip of 3M™ 467 adhesive which only needs to be released when there is a constant pipe temperature of 100° or more.
Marker styles F through H (pipes over 6") are not coiled because of their size, they are installed using nylon ties. Style F is supplied with two 34" long ties, styles G and H are supplied with two 48" long ties. For pipes larger than 14" in diameter order additional nylon ties.
The following chart shows the recommended pipe marker letter height and marker size based on the outside pipe diameter of the pipe to be identified. For pipes smaller than 3/4" and for valve identification, the use of a permanent legible tag is recommended.
Pipe O.D. | Text Size | Marker Style | Maximum Characters |
3/8" to 1/2" | 1/4" | AA | 20 |
3/4" - 1" | 1/2" | A | 22 |
1 1/2" - 2 | 3/4" | B | 18 |
2 1/2" - 7-7/8" | 1-1/4" | C, D, E | 22 |
8" - 10" | 2-1/2" | F, G | 22 |
Over 10" | 3-1/2" | H | 16 |
Size selection MUST include insulation thickness |
The secondary means of identification is the color code of the marker. The exact colors are contained in the ANSI Z535.1 Safety Color Code.
Color is the secondary means to identification but many times the most important. The color of the marker should be used to identify the characteristic hazard of the contents of the pipe. The following chart list the classifications shown by ANSI / ASME A13.1 2015 as the suggested color combinations for the pipe markers.
FLUID SERVICE | COLOR COMBINATIONS |
Fire Quenching Fluids | |
Toxic & Corrosive Fluids | |
Flammable & *Oxidizing Fluids | |
Combustible Fluids | |
Potable, Cooling, Boiler feed, & other Water | |
Compressed Air | |
Defined by the User | |
Defined by the User | |
Defined by the User | |
Defined by the User | |
* New 2015 classification, Oxidizing Fluids |
Install pipe labels close to valves or flanges
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Install pipe labels near branches and whenever a pipe changes direction.
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Install pipe labels before and after all wall, floor and ceiling penetrations
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Install pipe labels at frequent intervals on straight pipe runs.
Brimar recommends 25 ft. |