Summary of Topics s47_7_sum.html
Summary of Topics
This new edition of ANSI/UL 47 dated March 3, 2023 incorporates revisions that provide clarification of products covered by the scope, additional cabinet types, alignment with requirements in NFPA 14, and renumbering and reformatting to align with current style. Some of the revisions include:
• Clarifications to Scope (1.1, 1.3), cabinet construction (Section 6), hose types and sizes (Section 15);
• Added definitions in 5.2, 5.4, and 5.6; and
• New sections for Rated Pressure (7), Metallic Materials (12), Optional Components (16), and Installation Instructions (24), among other clarifications and updates.