UL 1478A

Standard for Pressure Relief Valves for Sprinkler Systems

Underwriters Laboratories , 05/20/2013

Publisher: UL

File Format: PDF

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Description

Standard By:Underwriters Laboratories , 05/20/2013

Published:05/20/2013

Language:English

Please note: All interim revisions for this edition available at time of your purchase will be included.

Pressure Relief Valves for Sprinkler Systems
UL 1478A

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.

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

UL 1478A

Standard for Pressure Relief Valves for Sprinkler Systems

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