Use the form below to order your free ammonia pipe
marking guide. This FREE laminated guide clearly
explains ammonia pipe-marking requirements.

This
labeling guide graphically shows and explains the IIAR
ammonia refrigeration system pipe marking standards.
These pipe marking standards apply to ammonia refrigeration
systems and chillers in cold storage facilities, industrial
plants, buildings and any other location in which ammonia
is used as the heat transfer medium for cooling.
Other Labeling Guides: A
standard
pipe marking guide is also available. It shows the
pipe marking code used for most other types of
pipes.