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TIA 22-1, Reference: 4.7.1.6

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Changes made to this document:
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Date
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Published
15 Apr, 2021
Set in force
5 May, 2021
Changes made by this document:
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Date

Tentative Interim Amendment
NFPA® 12
Standard on Carbon Dioxide Extinguishing Systems
2022 Edition Reference: 4.7.1.6 TIA 22-1 (SC 21-4-8 / TIA Log #1543) Note: Text of the TIA was issued and approved for incorporation into the document prior to printing. 1. Revise 4.7.1.6 and renumber to read as follows:
4.7.1.6 Pipe Connections. 4.7.1.6.1 Welded joints and screwed or flanged fittings (malleable iron or ductile iron) shall be permitted to be used. 4.7.1.6.12 Mechanical grooved couplings and ...

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