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UL 67377 Ed. 2-2016
Outline of Investigation for Oxygen Reduction Fire Protection System Units - Published Date: August 4, 2016
These requirements cover oxygen reduction re protection system units, intended to separate oxygen and nitrogen from ordinary air to produce a ux of reduced-oxygen (elevated nitrogen) air for limiting the potential for ignition of Class A and Class B res and re spread of Class A combustibles in a protected volume.
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