Recent Blog Posts
Last year IIAR published a new edition to Standard 8 Decommissioning of Closed-Circuit Refrigeration Systems. ANSI/IIAR 8-2020 contains many of the same minimum requirements as the 2015 edition, but as always, there are a few nuances worthy of our attention. First, let’s get the big picture of Standard 8. Overview of Standard 8 Standard 8 […]
IIAR’s suite of standards addresses the minimum requirements for ammonia refrigeration systems from design through decommissioning. Standard 7 is unique in tackling the development of operating procedures for these systems. The publication is titled Developing Operating Procedures for Closed-Circuit Ammonia Refrigeration Systems and was most recently updated in 2019. To better understand the function of […]
Last year, IIAR published a new edition of Standard 4 Installation of Closed-Circuit Ammonia Refrigeration Systems. We’ve spent considerable time familiarizing with this document and have distilled key themes into eight things you should know about Standard 4. 1. Install the system in accordance with its design. Remember the equipment layouts, elevation drawings, and piping […]
Earlier this year, IIAR published ANSI/IIAR 9-2020 Standard for Minimum System Safety Requirements for Existing Closed-Circuit Ammonia Refrigeration Systems. While it has long been recognized that new systems must adhere to the requirements of IIAR Standards 2 and 4, facilities with existing systems have often been confused on how they should relate to these standards. […]
Watch this overview of chapter 7, section 7.4 from the new standard for existing ammonia refrigeration systems by Peter Thomas: