Exclusive Resources in this week’s edition of the Ammonia Week in Review… Refrigeration Purging Video Series – You’ll get familiar with manual, refrigerated, and automatic purging techniques. This is a must-watch for anyone new to the industry, studying for the RETA CARO exam, or an experienced technician looking for a refresher on purging best practices. […watch here] Installation Identification […]
Code requirements for installation identification signs vary based on when an ammonia refrigeration system was built. Most existing installation identification signs were installed in accordance with the Mechanical or Fire Codes (UMC, CMC, and UFC), ASHRAE 15, or IIAR 2 OR 9. Here is a historical snapshot of code requirements for installation identification signs throughout […]
History Unfolds in this week’s edition of the Ammonia Week in Review… Chemical Leak Discovered at Historic Bojangles Coliseum in Charlotte – Officials confirmed that an ammonia leak was discovered at the decades-old arena around 5 a.m. on Sept. 19. […keep reading] NTSB Report Reveals New Details on Deadly Teutopolis Ammonia Spill – A teenager driving a minivan […]
Lessons And Resources in this week’s edition of the Ammonia Week in Review… National Transportation Safety Board – NTSB releases final report on the 2023 anhydrous ammonia leak near Teutopolis. […keep reading] Emergency Response Exercise Simulates Aqueous Ammonia Leak at Unit 17 Power Plant – The exercise simulated a scenario in which a valve broke on a tank […]
Question: Are oil drain valves and service valves required to be plugged or capped when not in use? Answer: Yes. All shut-off valves connecting equipment or piping to the atmosphere must be plugged, capped, blanked, or locked closed when they are not in use. ANSI/IIAR 2-2021 §13.3.2.6 states “Shut-off valves connecting ammonia-containing equipment or piping […]
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