UL 1478
Standard for Fire Pump Relief Valves
Underwriters Laboratories , 05/13/2004
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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.
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.
Product Information
Published:
05/13/2004
Language:
English
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