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Get Your IIAR Ammonia Label Reference

This reference chart outlines pipe and equipment labeling requirements for ammonia-based refrigeration systems. Learn the various parts of a compliant label, proper color schemes, and where on the pipe to locate the label.

  • Detailed breakdown of pipe & system component markers
  • Explains identifiers, physical state, pipe contents, and pressure levels
  • Lists common abbreviations and descriptions for ammonia piping and components
  • Critical resource for facilities with ammonia-based refrigeration systems

  • ANSI-approved IIAR standards

  • Ensure safe industrial refrigeration

  • Perfect ammonia training resource

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Essentials for Ammonia Pipe Markers

The pressurized ammonia in industrial refrigeration systems can pose serious hazards if workers can’t easily identify the system’s parts. To help, the International Institute of Ammonia Refrigeration (IIAR) created a standard for labeling ammonia pipes and related components. IIAR Bulletin No. 114 describes a color scheme, label format, sizing recommendations, and abbreviations for these pipe markers.

This full-color guide collects the essentials in one place. Get your free copy as a reference guide or training material, and use the IIAR approach to keep your ammonia refrigeration system running smoothly.

Use The Ammonia Refrigeration Industry Standard In Your Facility

Grab Our Full-Color Chart For Your Facility Today

Ammonia Pipe Marking Chart