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ISA 12.04.04-2012
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Pressurized Enclosures
standard by The International Society of Automation, 07/25/2012
This standard applies to equipment made suitable for use in hazardous (classified) locations by pressurizing the use of a pressurizing system.
This standard applies both to equipment with and without an internal release of a flammable gas or vapor.
This standard does not apply to occupied portions of buildings such as ventilated or pressurized control rooms.
Product Details
- Published:
- 07/25/2012
- ANSI:
- ANSI Approved
- Number of Pages:
- 24