PDF Standards UL 1478A

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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.

Product Details

Edition:

1

Published:

05/20/2013

Number of Pages:

14

Note:

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