Standard 1767, Edition 4
Red Line
October 29, 2015
UL 1767

Standard for Early-Suppression Fast-Response Sprinklers

UL Red Line Edition 4 Published Date: October 29, 2015
Summary of Topics s1767_4_sum.html

SUMMARY OF TOPICS

These revisions to ANSI/UL 1767 include the following changes in requirements:

Revisions to Clarify Requirements and Update Testing Details

ESFR Sprinklers Having a RTI Greater Than 36 (m•s)1/2

Revised Heat Resistance Test Requirements

Sprinkler Test Orientation for Salt Spray Exposure
Back to Standard 1767, Edition 4

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