Ammonia refrigeration systems are typically configured with hundreds of valves that require maintenance to help ensure that they will function properly when adjusted from their normal position. ANSI/IIAR 6-2019 Standard for Inspection, Testing, and Maintenance of Closed-Circuit Ammonia Refrigeration Systems includes the minimum requirements for valve inspection, testing, and maintenance (ITM) in Table 11.1.6. Concerning […]
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. […]
20 Indian dairy workers are hospitalized after an ammonia leak in this week’s edition of the Ammonia Week in Review… 20 in Hospital after Ammonia Gas Leak in Andhra Pradesh – About 20 workers, including 14 women, were hospitalised following an ammonia gas leak from a private dairy unit in Andhra Pradesh’s Chittoor district on Thursday night, […]
Watch this overview of chapter 7, section 7.4 from the new standard for existing ammonia refrigeration systems by Peter Thomas:
A small ammonia leak leads to two injuries in this week’s edition of the Ammonia Week in Review… Two Perdue Workers Injured in Ammonia Leak at Plant – Two Perdue workers were transported to the hospital for treatment, according to a Perdue spokesperson, following a “small leak of ammonia” which they added was being used as a refrigerant. […]
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