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Standard 555, Edition 7

Standard for Fire Dampers

UL CSDS Proposal
Standard 555, Edition 7 Edition Date: July 08, 2011
Summary of Topics b0555_7_20110708_sum.html

Subject 555

Bulletin Dated: July 8, 2011

SUMMARY OF TOPICS

The following changes in requirements to the Standard for Fire Dampers, UL 555, are being proposed:

1. New Option for Evaluating Multiple Section Dampers for Dynamic Closure

Back to Standard 555, Edition 7

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