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UL 404

8th Edition, February 11, 2015

Complete Document

UL Standard for Safety Gauges, Indicating Pressure, for Compressed Gas Service

Includes all amendments and changes through Revision Page(s) , February 11, 2015


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Product Details:

  • Revision: 8th Edition, February 11, 2015
  • Published Date: February 11, 2015
  • Status: Active, Most Current
  • Document Language: English
  • Published By: UL (UL)
  • Page Count: 12
  • ANSI Approved: Yes
  • DoD Adopted: No

Description / Abstract:

These requirements cover indicating pressure gauges of the elastic element type usually employed in the high-pressure side of regulators or reducing valves used on compressed gas containers or cylinders of oxygen, hydrogen, nitrogen, and other gases. Such gauges usually have pressure ranges of 0 – 1500, 0 – 2000, 0 – 3000, 0 – 4000, 0 – 5000, or 0 – 6000 pounds per square inch (psi) (0 – 10.34, 0 – 13.78, 0 – 20.68, 0 – 27.56, 0 – 34.47, or 0 – 41.36 MPa).