UL 246 UL Standard for Safety Hydrants for Fire-Protection Service
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UL 246 Document Information:
Title
UL Standard for Safety Hydrants for Fire-Protection Service
Underwriters Laboratories Inc.
Publication Date:
Jun 2, 1993
Scope:
These requirements cover the performance of and methods for
testing hydrants employed in piping systems supplying water for
fire-protection service.
Hydrant types covered by this standard include:
a) Base valve design with a main valve of either the compression
type opening with the pressure or against it, or gate type with the
outlets individually valved or without valves; and
b) Wet barrel design with outlets individually valved.
Requirements for the installation and use of hydrants covered by
these requirements include, among others, the Standard for the
Installation of Private Fire Service Mains, NFPA 24.
A product that contains features, characteristics, materials, or
systems new or different from those in use when the standard was
developed, and that involves a risk of fire, electric shock, or
injury to persons shall be evaluated using the appropriate
additional component and end-product requirements as determined by
the intent of this standard.
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