EMSA: Valve failures is the lead cause of ammonia-related accidents
Most common causes of accidents
#1 Valve failures
Valve failures is the most common cause among the reviewed accidents. Failure in valves, seals, or equipment connections leads to ammonia dispersion, resulting in some cases in severe or fatal injuries and environmental damage; as example can be mentioned the incident in an ammonia tank storage installation on the January 4, 2005. In this event, due to the complete opening of the ammonia storage tank drainage valve, there was a sudden and violent release of ammonia.
This incident resulted in serious injuries to the personnel. Additionally, it caused the formation of an additional leak near the drainage point, releasing significant amounts of liquid ammonia that evaporated and dispersed in t
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