This document defines performance requirements, methods of testing and marking requirements for fire pump relief valves intended to rapidly relieve the excessive water pressure in the supply piping for standpipe systems or sprinkler systems or both. Performance and test requirements for other auxiliary components or attachments to fire pump relief valves are not covered by this standard.
Status: PublishedPublication date: 2020-05
Edition: 1Number of pages: 11
Technical Committee: ISO/TC 21/SC 5 Fixed firefighting systems using water
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