ISA 12.04.04 : 2012
Current
The latest, up-to-date edition.
1 Scope
2 Purpose
3 References
4 Definitions
5 General requirements
6 Enclosure requirements
7 Non-metallic enclosures, non-metallic parts of
enclosures protrude through the enclosure
8 Protecting hot surfaces and ignition-capable components
9 Protecting against enclosure rupture
10 PURGING requirements
11 Tests
12 Marking
13 Enclosure access for maintenance
Annex A (informative) - Comments on the text
Annex B (informative) - Information for sizing pipes and
ducts
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