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Standard 1091, Edition 6

Standard for Butterfly Valves for Fire-Protection Service

UL Bulletin
Standard 1091, Edition 6 Edition Date: April 03, 2014 $203.00-$254.00
Summary of Topics m1091b_1_20140403_sum.html

Subject 1091B (1091)

Bulletin Dated: April 3, 2014

Summary of Topics

This bulletin announces the availability of the Outline of Investigation for System Control Ball Valves for Fire Protection Service, UL 1091B.

Back to Standard 1091, Edition 6

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