UL 193
Original price was: $631.00.$315.00Current price is: $315.00.
Alarm Valves for Fire-Protection Service
Underwriters Laboratories , 02/26/2016
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.
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UL 193
Original price was: $100.65.$50.00Current price is: $50.00.
Alarm Valves for Fire-Protection Service
Underwriters Laboratories , 01/12/2004
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.
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