UL 1478A BULLETIN-2012
UL Standard for Safety OUTLINE OF INVESTIGATION FOR PRESSURE RELIEF VALVES FOR SPRINKLER SYSTEMS (COMMENTS DUE: DECEMBER 11@ 2012)

Standard No.

UL 1478A BULLETIN-2012

Release Date

2012

Published By

Underwriters Laboratories (UL)

Status

Be replaced 2013-05

Replace By

UL 1478A-2013

Latest

UL 1478A BULLETIN-2017

UL 1478A BULLETIN-2012 history

• 2017 UL 1478A BULLETIN-2017 UL Standard for Safety Pressure Relief Valves for Sprinkler Systems (COMMENTS DUE: July 31@ 2017)
• 1970 UL 1478A-2017
• 2013 UL 1478A-2013 UL Standard for Safety Pressure Relief Valves for Sprinkler Systems (First Edition)
• 2012 UL 1478A BULLETIN-2012 UL Standard for Safety OUTLINE OF INVESTIGATION FOR PRESSURE RELIEF VALVES FOR SPRINKLER SYSTEMS (COMMENTS DUE: DECEMBER 11@ 2012)
• 2011 UL 1478A BULLETIN-2011 UL Standard for Safety OUTLINE OF INVESTIGATION FOR PRESSURE RELIEF VALVES FOR SPRINKLER SYSTEMS (COMMENTS DUE: JANUARY 20@ 2012)