Standard 2351, Edition 2
UL 2351

Standard for Spray Nozzles for Fire-Protection Service

UL CSDS Proposal Edition 2 Published Date: January 31, 2014 Last Revision: June 03, 2014
Summary of Topics b2351_2_20140131_sum.html

Subject 2351

Bulletin Dated: January 31, 2014

SUMMARY OF TOPICS

The following changes in requirements to the Standard for Safety for Spray Nozzles for Fire-Protection Service, UL 2351, are being proposed:

1. Revisions to More Closely Align Text with UL's Sprinkler Standards, Clarify Requirements and Update Testing Details

2. New Air Bath Test for Automatic Nozzles with Glass Bulb Heat Responsive Elements

3. New Heat Resistance Test Requested

4. Protection of Glass Bulb Tips
Back to Standard 2351, Edition 2

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