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UL 404

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

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Organization: UL
Publication Date: 8 October 2010
Status: active
Page Count: 12
scope:

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).

Document History

UL 404
October 8, 2010
UL Standard for Safety Gauges, Indicating Pressure, for Compressed Gas Service
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...
October 8, 2010
UL Standard for Safety Gauges, Indicating Pressure, for Compressed Gas Service
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...
January 31, 2005
UL Standard for Safety Gauges, Indicating Pressure, for Compressed Gas Service
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...
January 31, 2005
UL Standard for Safety Gauges, Indicating Pressure, for Compressed Gas Service
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...
September 30, 1997
UL Standard for Safety Gauges, Indicating Pressure, for Compressed Gas Service
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...
June 25, 1993
UL Standard for Safety Gauges, Indicating Pressure, for Compressed Gas Service
A description is not available for this item.

References

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