UL 555-2006 PDF

Scope: 1.1 These requirements cover fire dampers that are intended for use where air ducts penetrate or terminate at openings in walls or partitions; in air transfer openings in partitions; and where air ducts extend through floors as specified in the Standard for Installation of Air-Conditioning and Ventilating Systems, NFPA 90A. Fire dampers are intended for installation in accordance with codes such as the BOCA National Mechanical Code, SBCCI Standard Mechanical Code, ICBO Uniform Mechanical Code, and the International Mechanical Code. 1.2 Fire dampers are evaluated for use as either: a) Fire Dampers for Static Systems - For HVAC systems that are automatically shut down in the event of a fire or for air transfer openings in walls or partitions, b) Fire Dampers for Dynamic Systems - For HVAC systems that are operational in the event of a fire, or c) Combination Fire and Smoke Dampers - For locations in HVAC systems where a fire damper and a smoke damper are required at a single location. 1.3 Under these requirements a fire damper is subjected to a standard fire exposure, controlled to achieve specified temperatures throughout a specified time period, followed by the application of a specified standard hose stream. This exposure by itself is not representative of all fire conditions; conditions vary with changes in

UL 555-2006 history

1970 UL 555-2020 UL Standard for Safety Fire Dampers
2016 UL 555 BULLETIN-2016 UL Standard for Safety Fire Dampers (COMMENTS DUE: September 19@ 2016)
2015 UL 555 BULLETIN-2015 UL Standard for Safety Fire Dampers (COMMENTS DUE: January 26@ 2015)
2013 UL 555 BULLETIN-2013 UL Standard for Safety Fire Dampers (COMMENTS DUE: July 01@ 2013)
2012 UL 555 BULLETIN-2012 UL Standard for Safety Fire Dampers (COMMENTS DUE: May 07@ 2012)
1970 UL 555 BULLETIN-2011
2010 UL 555 BULLETIN-2010 UL Standard for Safety Fire Dampers (COMMENTS DUE: FEBRUARY 22@ 2010)
2009 UL 555 BULLETIN-2009 UL Standard for Safety Fire Dampers (COMMENTS DUE: JULY 27@ 2009)
2008 UL 555 BULLETIN-2008 UL Standard for Safety Fire Dampers (COMMENTS DUE: AUGUST 11@ 2008)
2007 UL 555 BULLETIN-2007 UL Standard for Safety Fire Dampers COMMENTS DUE: MARCH 28, 2007
2006 UL 555 BULLETINS-2006 CSDS 12/08/2006 (2p); CSDS 10/20/2006 (2p)
2006 UL 555-2006 UL Standard for Safety Fire Dampers Seventh Edition
2005 UL 555 BULLETIN-2005 UL Standard for Safety Fire Dampers
2001 UL 555 BULLETINS-2001 UL Standard for Safety Fire Dampers (07/13/2001 (18p); 04/06/2001 (22p))
2000 UL 555 BULLETINS-2000 UL Standard for Safety Fire Dampers (10/26/2000 (2p); 03/31/2000 (10p))
1999 UL 555-1999 Fire dampers
1995 UL 555-1995 Fire dampers
1990 UL 555-1990 Fire dampers