Most recent
UL 2167 Ed. 3-2026 (2026)
Water Mist Nozzles for Fire Protection Service - Published Date: May 11, 2026
This new Third Edition of ANSI/UL 2167 dated May 11, 2026 includes the following changes in requirements: – Editorial and formatting revisions; 4.2, 17.4, Table 45.1, 48.3.4, 49.2.2, Table 49.1, Table 49.2, and 51.2.3. – Alignment and clarifications to existing requirements; 5.2, 5.14, 5.22, 9.4, Section 13, Section 14, 15.3, 18.1 – 18.3, 30.1.4, 35.1, 35.2, and 37.1. – Expansion of requirements of Shipboard Machinery Space Fire Tests, Section 47; 5.13. – Addition of tests for open nozzle caps; 6.1, Section 19, Section 20, Section 21, 30.1.1, 30.1.2, 30.1.8, 30.2.1, 30.2.8, 30.3.1, 30.3.2, 30.4.1, 30.4.2, 30.5.1, 30.5.2, 30.5.3, 30.5.5, 30.6.1, 30.7.1, and 39.1.
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