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UL 193

$315.50

Alarm Valves for Fire-Protection Service
standard by Underwriters Laboratories, 02/26/2016

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Description

Please note: All interim revisions for this edition available at time of your purchase will be included.

Alarm Valves for Fire-Protection Service
UL 193
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 include the sizes 1 – 12 inches, inclusive.

1.3 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.

Product Details

Edition:
11
Published:
02/26/2016