UL 1478:2018

$155.35

Standard for Fire Pump Relief Valves

Published By	Publication Date	Number of Pages
UL	2018-04-12	17

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Category: UL

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Description

1 Scope

1.1 These requirements cover direct acting (spring loaded) and pilot operated fire pump relief valves of nominal 3/4 inch (19.05 mm) size and larger, intended for use in water supply systems for fire protection service.

1.2 Requirements for the installation and use of these valves are included in the Standard for the Installation of Centrifugal Fire Pumps, NFPA 20.

Additional information