An accidental release of 12 tons of anhydrous ammonia at a storage/dispensing facility resulted in the hospitalization of five people and the evacuation of 550 residents. The unexpected release of anhydrous ammonia is believed to be due to a design error that may have caused a 3/4″ (1.91 cm) schedule 80 vent stack on the...
The IMPORTANCE of Hydrostatic relief valves in Ammonia Systems
