ULSE - UL 1478A
Pressure Relief Valves for Sprinkler Systems
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| Organization: | ULSE |
| Publication Date: | 20 May 2013 |
| Status: | active |
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.
1.2 Requirements for installation of these valves are included in the Standard for the Installation of Sprinkler Systems, NFPA 13.
Document History
UL 1478A
May 20, 2013
Pressure Relief Valves for Sprinkler Systems
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...