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UL 262 Document Information:
Title
UL Standard for Safety Gate Valves for Fire-Protection Service
Underwriters Laboratories Inc.
Publication Date:
Feb 26, 2004
Scope:
These requirements cover gate valves intended for installation
in piping systems supplying water for fire-protection service. Gate
valves covered by these requirements are of the
outside-screw-and-yoke type or of the nonrising stem type, the
latter for installation either above or below ground.
The gate valves covered by these requirements are intended for
installation and use in accordance with the Standards for:
a) Low Expansion Foam , NFPA 11;
b) Installation of Sprinkler Systems, NFPA 13;
c) Installation of Standpipe and Hose Systems, NFPA 14;
d) Water Spray Fixed Systems for Fire Protection, NFPA 15;
e) Deluge Foam-Water Sprinkler and Foam-Water Spray Systems,
NFPA 16;
f) Installation of Centrifugal Fire Pumps, NFPA 20;
g) Water Tanks for Private Fire Protection, NFPA 22; and
h) Installation of Private Fire Service Mains and Their
Appurtenances, NFPA 24.
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