Does the power distribution box in the ammonia generator room need to be explosion-proof
◼ Ammonia plant rooms are classified as hazardous and all electrical equipment inside the plant room should be intrinsically rated with explosive proof rated equipment (either Zone 0 or Zone 1)] or alternatively if suitable refrigerant detectors are installed . Multiple fan or multispeed fan systems can be partially operated to deliver by the eme vated, access to the. While the requirements have not changed substantially since the 2014 edition, we have put together this blog to summarize the requirements applicable to the design of new ammonia refrigeration machinery room ventilation systems. While ammonia deflagrations are generally less energetic than hydrocarbon vapor explosionsscribd.
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