Recent Blog Posts

Q&A | Normative vs. Informative

July 11th, 2013

Question: Is  ANSI/IIAR 2-2008 Equipment, Design, and Installation of Closed-Circuit Ammonia Mechanical Refrigerating Systems normative or informative? Answer: Normative. All sections within IIAR 2 should be considered normative unless it is specifically stated that the section is informative. The second paragraph on the first page of the document reads as follows: This standard includes both Normative (required) and Informative […]

Q&A | Relief Valve Discharge Piping

June 24th, 2013

Question: Is it permissible to use galvanized pipe on pressure relief valve discharge piping? Answer: As a “best practice” we recommend using the same piping materials for the closed circuit refrigeration system as for the relief valve discharge piping. Specifically, IIAR-2 states that piping in the closed circuit portion of the system should be of […]

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 […]