UL-1091 Standard for Butterfly Valves for Fire-Protection Service

UL-1091 - 6TH EDITION - CURRENT
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Included in this current edition are the following subparts:

 6TH EDITION - June 3, 2004
 CHANGE 05/10 - May 12, 2010


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Document Number

UL-1091

Revision Level

6TH EDITION

Status

Current

Publication Date

June 3, 2004

Page Count

26 pages