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Make sure your ammonia pipe labels meet IIAR standards.

If your facility uses an ammonia refrigeration system, you must comply with pipe marking guidelines from the International Institute of Ammonia Refrigeration (IIAR). This free guide contains:

  • An explanation of the 5 mandatory parts of ammonia pipe markers
  • Color, text, and size requirements
  • A list of common pipe marker abbreviations
  • A diagram showing exactly how an ammonia pipe label should look

This guide also makes a great reference tool. Post it in your facility to refer back to in the future.

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Ammonia Pipe Quick Guide
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