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ISA 12.04.04 PDF
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Pressurized Enclosures
| Published by | Publication Date | Number of Pages |
| ISA | 07/25/2012 | 24 |
ISA 12.04.04 – Pressurized Enclosures
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.
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