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UL 555S

UL Standard for Safety Leakage Rated Dampers for Use in Smoke Control Systems

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Organization: UL
Publication Date: 1 January 1996
Status: inactive
Page Count: 23

Document History

February 13, 2014
UL Standard for Safety Smoke Dampers
These requirements cover smoke dampers intended for use in heating, ventilating, and air conditioning (HVAC) systems. Smoke dampers are intended: a) To restrict the spread of smoke in HVAC systems...
February 13, 2014
UL Standard for Safety Smoke Dampers
These requirements cover smoke dampers intended for use in heating, ventilating, and air conditioning (HVAC) systems. Smoke dampers are intended: a) To restrict the spread of smoke in HVAC systems...
February 13, 2014
UL Standard for Safety Smoke Dampers
These requirements cover smoke dampers intended for use in heating, ventilating, and air conditioning (HVAC) systems. Smoke dampers are intended: a) To restrict the spread of smoke in HVAC systems...
February 13, 2014
UL Standard for Safety Smoke Dampers
These requirements cover smoke dampers intended for use in heating, ventilating, and air conditioning (HVAC) systems. Smoke dampers are intended: a) To restrict the spread of smoke in HVAC systems...
June 1, 1999
UL Standard for Safety Smoke Dampers
These requirements cover smoke dampers intended for use in heating, ventilating, and air conditioning (HVAC) systems. Smoke dampers are intended: a) To restrict the spread of smoke in HVAC systems...
June 1, 1999
UL Standard for Safety Smoke Dampers
These requirements cover smoke dampers intended for use in heating, ventilating, and air conditioning (HVAC) systems. Smoke dampers are intended: a) To restrict the spread of smoke in HVAC systems...
June 1, 1999
UL Standard for Safety Smoke Dampers
These requirements cover smoke dampers intended for use in heating, ventilating, and air conditioning (HVAC) systems. Smoke dampers are intended: a) To restrict the spread of smoke in HVAC systems...
June 1, 1999
UL Standard for Safety Smoke Dampers
These requirements cover smoke dampers intended for use in heating, ventilating, and air conditioning (HVAC) systems. Smoke dampers are intended: a) To restrict the spread of smoke in HVAC systems...
June 1, 1999
UL Standard for Safety Smoke Dampers
These requirements cover smoke dampers intended for use in heating, ventilating, and air conditioning (HVAC) systems. Smoke dampers are intended: a) To restrict the spread of smoke in HVAC systems...
June 1, 1999
UL Standard for Safety Smoke Dampers
A description is not available for this item.
June 1, 1999
UL Standard for Safety Smoke Dampers
These requirements cover smoke dampers intended for use in heating, ventilating, and air conditioning (HVAC) systems. Smoke dampers are intended: a) To restrict the spread of smoke in HVAC systems...
June 1, 1999
UL Standard for Safety for Smoke Dampers
These requirements cover smoke dampers intended for use in heating, ventilating, and air conditioning (HVAC) systems. Smoke dampers are intended: a) To restrict the spread of smoke in HVAC systems...
June 1, 1999
UL Standard for Safety Smoke Dampers
These requirements cover smoke dampers intended for use in heating, ventilating, and air conditioning (HVAC) systems. Smoke dampers are intended: a) To restrict the spread of smoke in HVAC systems...
June 1, 1999
UL Standard for Safety Smoke Dampers
These requirements cover smoke dampers intended for use in heating, ventilating, and air conditioning (HVAC) systems. Smoke dampers are intended: To restrict the spread of smoke in HVAC systems that...
June 1, 1999
UL Standard for Safety Smoke Dampers
These requirements cover smoke dampers intended for use in heating, ventilating, and air conditioning (HVAC) systems. Smoke dampers are intended: a) To restrict the spread of smoke in HVAC systems...
June 1, 1999
UL Standard for Safety Smoke Dampers
A description is not available for this item.
June 1, 1999
UL Standard for Safety Smoke Dampers
These requirements cover smoke dampers intended for use in heating, ventilating, and air conditioning (HVAC) systems. Smoke dampers are intended: a) To restrict the spread of smoke in HVAC systems...
June 1, 1999
UL Standard for Safety Smoke Dampers
These requirements cover smoke dampers intended for use in heating, ventilating, and air conditioning (HVAC) systems. Smoke dampers are intended: a) To restrict the spread of smoke in HVAC systems...
UL 555S
January 1, 1996
UL Standard for Safety Leakage Rated Dampers for Use in Smoke Control Systems
A description is not available for this item.

References

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