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Standard 1091, Edition 6

Standard for Butterfly Valves for Fire-Protection Service

UL Bulletin
Standard 1091, Edition 6 Edition Date: December 19, 2003 $203.00-$254.00
Summary of Topics b1091_6_20031219_sum.html

Subject 1091 (In reply, refer to Subject 1091)

Bulletin Dated: December 19, 2003


This bulletin proposes the Sixth Edition of UL 1091. The following changes in the requirements are being proposed:

This proposed new edition is a periodic re-issuance to ensure that UL's Standards remain up to date with regard to format and editorial issues such as numbering, pagination, and cross-referencing. This proposed new edition also includes a revision to the marking requirements.

COMMENTS DUE: February 4, 2004

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