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Standard 555, Edition 7

Standard for Fire Dampers

UL CSDS Proposal
Standard 555, Edition 7 Edition Date: August 19, 2016
Summary of Topics b0555_7_20160819_sum.html

Subject 555

Bulletin Dated: August 19, 2016

SUMMARY OF TOPICS

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

1. The Long Term Holding Test

2. Temperature range expansion for Dynamic Closure Test

Back to Standard 555, Edition 7

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