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UL 525

UL Standard for Safety Flame Arresters

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Organization: UL
Publication Date: 9 May 2008
Status: active
Page Count: 27
scope:

These requirements cover tank vent deflagration flame arresters and in-line detonation flame arresters.

The requirements for tank vent deflagration flame arresters cover arresters for use on vents of storage tanks for petroleum oil and gasoline. These flame arresters are intended to prevent propagation of flame into the storage tank. Combination flame arrester-vent valves are also covered.

The requirements for in-line detonation flame arresters cover arresters for use in piping systems containing flammable vapors and gases in mixture with air. These flame arresters are unidirectional or bidirectional and are intended to prevent the transmission of detonation and deflagration.

Document History

UL 525
May 9, 2008
UL Standard for Safety Flame Arresters
These requirements cover tank vent deflagration flame arresters and in-line detonation flame arresters. The requirements for tank vent deflagration flame arresters cover arresters for use on vents...
May 9, 2008
UL Standard for Safety for Flame Arresters
These requirements cover tank vent deflagration flame arresters and in-line detonation flame arresters. The requirements for tank vent deflagration flame arresters cover arresters for use on vents...
May 9, 2008
UL Standard for Safety Flame Arresters
These requirements cover tank vent deflagration flame arresters and in-line detonation flame arresters. The requirements for tank vent deflagration flame arresters cover arresters for use on vents...
February 27, 2004
UL Standard for Safety for Flame Arresters
A description is not available for this item.
January 1, 1994
UL Standard for Safety Flame Arresters
A description is not available for this item.

References

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