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Indicating Pressure Gauges for Fire-Protection Service
| Published by | Publication Date | Number of Pages |
| UL | 03/17/2005 | 18 |
UL 393 – Indicating Pressure Gauges for Fire-Protection Service
Please note:All interim revisions for this edition available at time of your purchase will be included.
Indicating Pressure Gauges for Fire-Protection Service
UL 393
1 Scope
1.1 These requirements cover indicating pressure gauges of the elastic element type intended for use with sprinkler or standpipe equipment for fire-protection service.
1.2 These requirements cover gauges of trade sizes 3-1/2 to 4-1/2 inches (90 to 115 mm), inclusive.
1.3 The gauges covered by these requirements are intended for installation and use according to the following Standards of the National Fire Protection Association:
a) Standard for Installation of Sprinkler Systems, NFPA 13;
b) Standard for Installation of Standpipe and Hose Systems, NFPA 14;
c) Standard for Installation of Private Fire Service Mains and Their Appurtenances, NFPA 24; and
d) Standard for Installation of Stationary Fire Pumps for Fire Protection, NFPA 20.
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