BS ISO 21925-1 - FIRE RESISTANCE TESTS - FIRE DAMPERS FOR AIR DISTRIBUTION SYSTEMS - PART 1: MECHANICAL DAMPERS

Available format(s)

Hardcopy , PDF

Language(s)

English

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Principles of the test
5 Apparatus
6 Test construction
7 Determination of leakage of connecting duct and
   measuring station
8 Determination of leakage at ambient temperature
9 Fire test
10 Classification and criteria
11 Test report
12 Direct field of application of test results
Annex A (informative) - Explanatory material about the
        test methods historical information
Annex B (informative) - Alternative thermal release mechanisms
Annex C (informative) - Test of thermal release mechanisms
Annex D (informative) - Reliability tests for thermal release
         mechanisms

BS ISO 21925-1.

Committee	FSH/22/-/4
DocumentType	Draft
Pages	54
PublisherName	British Standards Institution
Status	NA

ISO 5167-1:2003	Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 1: General principles and requirements
ISO 5221:1984	Air distribution and air diffusion Rules to methods of measuring air flow rate in an air handling duct
ISO 834-1:1999	Fire-resistance tests Elements of building construction Part 1: General requirements