UL 193 PDF
Price range: $90.90 through $181.80
Alarm Valves for Fire-Protection Service
1 Scope
1.1 These requirements cover alarm valves for use in automatic wet-pipe sprinkler systems for fire protection service. Alarm valves covered by these requirements are of either the variable- or constant-pressure type and are of the swing-check pattern. Ordinarily, variable-pressure alarm valves are acceptable for constant-pressure service without alteration; however, in some designs, that part of the device having to do with the delaying of alarms may be omitted.
1.2 Alarm valves covered by these requirements are intended for installation and use in accordance with the Standard for the Installation of Sprinkler Systems, NFPA 13.
Summary of Topics
This New Twelfth Edition of ANSI/CAN/UL 193 dated August 2, 2024 is being issued as a new joint US/Canada Standard reflecting the latest ANSI and SCC approval dates and incorporating the proposal dated April 5, 2024.
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