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Standard 2351, Edition 2

Standard for Spray Nozzles for Fire-Protection Service

UL CSDS Proposal
Standard 2351, Edition 2 Edition Date: November 13, 2013
Summary of Topics b2351_2_20131113_sum.html

Subject 2351

Bulletin Dated: November 13, 2013


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

1. For Preliminary Review Only: Revisions to More Closely Align Text with UL’s Sprinkler Standards, Clarify Requirements and Update Testing Details

2. For Preliminary Review Only: New Air Bath Test for Automatic Nozzles with Glass Bulb Heat Responsive Elements

3. For Preliminary Review Only: New Heat Resistance Test Requested

4. For Preliminary Review Only: Protection of Glass Bulb Tips

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