Iiar Ammonia Refrigeration Piping Handbook Pdf Link Jun 2026
: Unlike traditional HVAC systems that use copper, ammonia is highly corrosive to copper and brass. Consequently, systems must utilize steel, stainless steel, or aluminum.
– The main standard is terse. The separately sold Commentary on IIAR 2 explains ambiguous clauses. For example, the standard says "avoid dead legs" — the commentary gives specific inch and time limits (e.g., any dead leg > 6 inches must be flushed weekly). iiar ammonia refrigeration piping handbook pdf link
The is a foundational resource for the safe design, installation, and operation of ammonia-based cooling systems. Due to its status as protected intellectual property of the International Institute of Ammonia Refrigeration (IIAR) , it is primarily available through their official store rather than as a free public download. Official Access & Documentation : Unlike traditional HVAC systems that use copper,
Many large engineering firms, refrigeration contractors, and food processing plants already hold an IIAR Corporate Membership. They likely have a site license for the piping handbook PDF. Ask your safety manager or engineering lead for the internal download link. The separately sold Commentary on IIAR 2 explains
– Some municipalities have a copy of IIAR 2 on file for plan review. You may be allowed to photograph specific pages or tables for your project.
