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UL 2351:2018

UL 2351:2018

$139.75

Standard for Spray Nozzles for Fire-Protection Service

Published By Publication Date Number of Pages
UL 2018-10-02 71
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1 Scope

1.1 These requirements cover automatic and non-automatic (open) type water spray nozzles for installation in accordance with the Standard for Installation of Sprinkler Systems, NFPA 13, and the Standard for Water Spray Fixed Systems for Fire Protection, NFPA 15.

1.2 Nozzles are categorized by the discharge coefficient "K" of the orifice, water discharge angle or pattern, type of coating or plating, and other factors that have a bearing on their application. Automatic nozzles are also categorized by operating temperature rating.

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UL 2351:2018
$139.75