Regarding the distance between the boiler and the ammonia storage tank
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Is the boiler considered a source of open flame, and are there any requirements regarding the distance from the ammonia storage tank?
Boilers are considered open-flame devices, while liquid ammonia falls under category B liquids or gases. Based on this, refer to the building codes or relevant regulations to determine the required spacing. The spacing is related to the volume of the storage tank.
Liquid ammonia can be considered a Class B flammable liquid; by determining its volume, it is possible to determine the required distance from open flames (boilers)