Recent Blog Posts

Q&A | Compressor Relief Valves

October 14th, 2014

Question: What is the proper procedure for selecting the pressure relief valve capacity for a positive displacement compressor? Answer: ANSI/IIAR 2-2008 Addendum B §6.1.2.1 addresses this very question. Furthermore, Appendix E (Informative) of that same document gives a detailed example of one acceptable method for determining the proper capacity. A summary of the steps in Appendix […]

Q&A | Ammonia Pipe Labels

September 30th, 2014

Question: I’ve heard that the ammonia pipe labeling requirements have changed. Is that true? Answer: Yes and No. It is true that IIAR updated Bulletin No. 114 Identification of Ammonia Refrigeration Piping and System Components in March 2014. The update includes a fundamental change that we will address in this blog. Before doing that, however, it is important that we unpack […]

Q&A | OSHA Violations

May 23rd, 2013

Question: What is the most common OSHA citation? Answer: The International Institute of Ammonia Refrigeration publishes the Condenser each quarter. The May 2013 addressed this exact question in the IIAR Government Relations article on page 14. According to the article, from 2009 through 2012 the most cited OSHA standards were: Hazard Communication Electrical, Wiring Methods Lockout/Tagout […]