17/30363845 DC : 0
NA
Status of Standard is Unknown
BS ISO 21927-3 - SMOKE AND HEAT CONTROL SYSTEMS - PART 3: SPECIFICATION FOR POWERED SMOKE AND HEAT EXHAUST VENTILATORS
Hardcopy , PDF
English
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviations
4 Requirements
5 Testing, assessment and sampling methods
6 Marking, labelling and packaging
Annex A (normative) - Criteria to determine
family of fans in order to select the sizes
to be tested
Annex B (normative) - Criteria to determine
a family of motors in order to select the
sizes to be tested
Annex C (normative) - Test method for the
determination of fire resistance of powered
smoke and heat control ventilators (fans)
Annex D (normative) - Test methods for
electric motors to determine the
impact of the changes on the product
characteristics
Annex E (normative) - Test method for assessing
the response delay and ability to open under
environmental conditions
Annex F (informative) - Explanatory notes
Annex G (informative) - General guidance for
installation and maintenance
Bibliography
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