UL 33 UL Standard for Safety Heat Responsive Links for Fire-Protection Service
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UL 33 Document Information:
Title
UL Standard for Safety Heat Responsive Links for Fire-Protection Service
Underwriters Laboratories Inc.
Publication Date:
Mar 27, 2003
Scope:
These requirements cover heat responsive links used for
fire-protection service. These links
consist of devices intended for installation under load conditions
such as for use with automatic
fire suppression systems; or automatic closure devices for doors,
windows, dampers or smoke relief
vents.
Heat responsive links are categorized by temperature rating, type of
coating or plating, minimum
and maximum design load, and other factors which may have a bearing on
their intended use.
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