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UNI EN 1366-9 : 2008

Current
Current

The latest, up-to-date edition.

FIRE RESISTANCE TESTS FOR SERVICE INSTALLATIONS - PART 9: SINGLE COMPARTMENT SMOKE EXTRACTION DUCTS
Published date

08-06-2008

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Test equipment
   4.1 General
   4.2 Furnace
   4.3 Perforated plate
   4.4 Inlet nozzles (fire test)
   4.5 Ambient leakage measuring device
   4.6 Pressure sensors for differential pressure control
   4.7 Welded connecting tube
   4.8 Extract fan connecting duct
   4.9 Extraction fan
   4.10 Thermocouples
   4.11 Oxygen measuring equipment
   4.12 Restraint equipment
   4.13 Observation window
5 Test conditions
   5.1 Differential pressure conditions
   5.2 Heating conditions
6 Test specimen
   6.1 Size
        6.1.1 Length
        6.1.2 Cross-section
   6.2 Number
   6.3 Design
7 Installation of test specimen
   7.1 General
   7.2 Standard supporting construction
   7.3 Duct arrangement
   7.4 Restraint of ducts
   7.5 Perforated plate
8 Conditioning
   8.1 General
9 Application of instrumentation
   9.1 Thermocouples
        9.1.1 Furnace thermocouples (plate thermometers)
        9.1.2 Gas temperature within flow nozzles
   9.2 Pressure
   9.3 Oxygen measurements
   9.4 Observations of reduction of cross-section
10 Test procedure
   10.1 Pre-test calibration
        10.1.1 Oxygen-measuring instrument
        10.1.2 Perforated plate
   10.2 Leakage measurement at ambient temperature
   10.3 Fire test
        10.3.1 Extraction fan
        10.3.2 Ignition of furnace
        10.3.3 Furnace conditions
        10.3.4 Temperatures and pressures
        10.3.5 Oxygen measurements
        10.3.6 General observations
        10.3.7 Reduction of cross-section
        10.3.8 Leakage calculations
        10.3.9 Termination of test
11 Performance criteria
   11.1 General requirements
   11.2 Criteria at ambient temperature
   11.3 Criteria under fire conditions
        11.3.1 General
        11.3.2 Leakage
        11.3.3 Reduction in cross-section
        11.3.4 Mechanical stability
12 Test report
13 Direct field of application of test results
   13.1 General
   13.2 Duct sizes
   13.3 Hangers
   13.4 Pressure difference
   13.5 Number of sides of duct
Annex A (informative) - Measurement of volume/mass flow
      A.1 Hints on measuring volume flow or mass flow with
          differential pressure devices
      A.2 Density
      A.3 Absolute Pressure (barometric pressure)
      A.4 Viscosity
      A.5 Characteristic data of the inlet nozzles according
          to Figure 10
Annex B (informative) - Measurement of oxygen content
Annex C (informative) - The usage of correction factors for
        the consideration of different parameters

Describes a test method for determining the fire resistance of smoke extraction ducts that are used for single compartment applications only.

Committee
CT 11
DocumentType
Test Method
PublisherName
Ente Nazionale Italiano di Unificazione (UNI)
Status
Current

Standards Relationship
EN 1366-9:2008 Identical

EN 1507:2006 Ventilation for buildings - Sheet metal air ducts with rectangular section - Requirements for strength and leakage
ISO 10294-3:1999 Fire resistance tests Fire dampers for air distribution systems Part 3: Guidance on the test method
ISO 13943:2017 Fire safety — Vocabulary
EN 1366-1:2014 Fire resistance tests for service installations - Part 1: Ventilation ducts
EN 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 5167-1:2003)
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
EN 1366-8:2004 Fire resistance tests for service installations - Part 8: Smoke extraction ducts
EN 60584-1:2013 Thermocouples - Part 1: EMF specifications and tolerances
EN ISO 13943:2017 Fire safety - Vocabulary (ISO 13943:2017)
EN 1363-1:2012 Fire resistance tests - Part 1: General Requirements
EN 1751:2014 Ventilation for buildings - Air terminal devices - Aerodynamic testing of damper and valves
ISO 5221:1984 Air distribution and air diffusion Rules to methods of measuring air flow rate in an air handling duct
EN 1363-2:1999 Fire resistance tests - Part 2: Alternative and additional procedures
IEC 60584-1:2013 Thermocouples - Part 1: EMF specifications and tolerances

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