UL 5552006 Fire Dampers 防火阀标准.pdf

UL 555-2006 Fire Dampers 防火阀标准.pdf文档页数:40文档大小:787.88KB文档格式:pdf UL555 isbn0-7629-1165-4 Fire DampersCOPYRIGHTED MATERIALNOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULreproduction networking permitted f...

UL 555-2006 Fire Dampers 防火阀标准.pdf

文档页数:40文档大小:787.88KB文档格式:pdf

UL555 isbn0-7629-1165-4 Fire DampersCOPYRIGHTED MATERIALNOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULreproduction networking permitted from IHSUL COPYRIGHTED MATERIALNOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULreproduction or networking permitted from IHSjuly12,2006-u555 Underwriters Laboratories Inc .( UL) 333 Pfingsten RoadNorthbrook ,IL 60062-2096UL Standard for Safety for Fire Dampers ,UL 555Seventh Edition ,Dated July 12 ,2006Summary of TopicsThe Seventh Edition of the Standard for Fire Dampers ,UL 555 has been issued to reflect thelatest ANSI approval date and to incorporate the proposals dated February 17 ,2006 and June 2 , 2006 .These proposals included the following : The revision of allowable clearance between parts during and after a fire test . The revision to delete the " Ambient'rating from 14.1.3.The deletion of paragraph 1 .13 which addresses issues specific to the certification of aproduct . Revisions to update references throughout the standard . Editorial revisions throughout standard . The revised requirements are substantially in accordance with UL's Propo...

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