What does emer vac mean?
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In the equipment data sheet provided in English, there is a word called “emer vac” that appears in the pressure column
Vac is an abbreviation for Vacuum, meaning vacuum. Emer is a bit confusing; it seems similar to emergency, which means a critical situation, but I’m not sure.
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Refer to the common terms and abbreviations used in chemical engineering equipment: Emer, Emerg – Emergency; Vac – Vacuum. The specific meaning of expressions like \"emer vac\" needs to be understood by you on your own.
Emer vac must be an emergency/accident decompression system.
I think it means emergency steam
I also looked up the meanings of these two words separately, but when used together they don’t make sense. Moreover, it’s hard to explain what they mean when they appear in the pressure column
Does it mean that the maximum pressure cannot be exceeded?