The following chart shows the recommended pipe marker letter height and marker size based on 24" ducts.
DMS (16 x 2-1/4") |
DML (24 x 4") |
Color is the secondary means to identify the contents of a piping system 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.
Install duct markers with permanent adhesive on air ducts in the following color codes:
All the stock legends above are available in three color combinations:
Yellow/Black,
Green/White,
Blue/White
Custom Duct Markers are also available.
3.5 mil thick flexible vinyl with a heavy coat of aggressive permanent acrylic pressure sensitive adhesive ideal for indoor and outdoor applications. The legend is printed using UV fade resistant inks.
Brimar recommends the following locations for installation of duct markers: