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What
color codes are commonly used?
Select the proper color for
your pipe markers, and for pipe markers to be printed on-site,
load your printer with the appropriate blank materials.
The most common color combinations
are based on ANSI A13.1 standards. The ANSI color codes are
listed as follows:
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- Red: Fire Quencing Materials,
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- Yellow: Materials Inherently
Hazardous,
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- Gas Blue:
Materials of Inherently Low Hazard,
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- Liquid Green:
Materials of Inherently Low Hazard
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In practice, most ANSI pipe markers
use a yellow background. DIN, APWA and the Ammonia standards offer
alternative color schemes. Many plants favor pipe marking schemes
that do not match the ANSI standards. They may color code by system
or train, for example.
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