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UL 1478A:2017

UL 1478A:2017

$78.65

Pressure Relief Valves for Sprinkler Systems

Published By Publication Date Number of Pages
UL 2017-08-04 15
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1 Scope

1.1 These requirements cover pressure relief valves intended for use in sprinkler systems for fire protection service to relieve excessive pressures caused by thermal expansion, downstream of a pressure reducing valve or in valve trim.

Section 1 effective May 20, 2015

1.2 Requirements for installation of these valves are included in the Standard for the Installation of Sprinkler Systems, NFPA 13.


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UL 1478A:2017
$78.65