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UL 393

8th Edition, March 31, 2009

Complete Document

UL Standard for Safety Indicating Pressure Gauges for Fire-Protection Service

Includes all amendments and changes through Revision Page(s) , March 31, 2009

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Product Details:

  • Revision: 8th Edition, March 31, 2009
  • Published Date: March 31, 2009
  • Status: Active, Most Current
  • Document Language: English
  • Published By: UL (UL)
  • Page Count: 22
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

These requirements cover indicating pressure gauges of the elastic element type intended for use with sprinkler or standpipe equipment for fire-protection service.

These requirements cover gauges of trade sizes 3-1/2 to 4-1/2 inches (90 to 115 mm), inclusive.

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.