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UL 1478 PDF
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Standard for Fire Pump Relief Valves
| Published by | Publication Date | Number of Pages |
| UL | 05/13/2004 | 14 |
UL 1478 – Standard for Fire Pump Relief Valves
Please note:All interim revisions for this edition available at time of your purchase will be included.
Standard for Fire Pump Relief Valves
UL 1478
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.
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