Ventilation for buildings - Ductwork - Dimensions and mechanical requirements for flexible ducts
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Vervangt NEN-EN 13180:1998 Ontw.
Nederlandse norm
NEN-EN 13180 (en)
Ventilatie in gebouwen - Luchtkanalen Afmetingen en mechanische eisen voor flexibele kanalen
ICS 91.140.30
januari 2002
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NEN-EN 13180
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Als Nederlandse norm is aanvaard: - EN 13180:2001,IDT
Normcommissie 351 074 "Klimaatbeheersing in gebouwen"
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EUROPEAN STANDARD
EN 13180
NORME EUROPÉENNE EUROPÄISCHE NORM
November 2001
ICS 91.140.30
English version
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Ventilation for buildings - Ductwork - Dimensions and mechanical requirements for flexible ducts
Ventilation des bâtiments - Réseau de conduits Dimensions et prescriptions mécaniques pour les conduits flexibles
Lüftung von Gebäuden - Luftleitungen - Maße und mechanische Anforderungen für flexible Luftleitungen
This European Standard was approved by CEN on 29 September 2001.
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CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official versions.
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CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.
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EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36
© 2001 CEN
B-1050 Brussels
All rights of exploitation in any form and by any means reserved worldwide for CEN national Members.
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Ref. No. EN 13180:2001 E
EN 13180:2001 (E)
Contents page Foreword .................................................................................................................................................3
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Introduction ............................................................................................................................................5 1
Scope..........................................................................................................................................5
2
Terms and definitions ...............................................................................................................5
3
Dimensions for ducts................................................................................................................6
4
Mechanical properties and requirements ...............................................................................8
5
Test methods .............................................................................................................................9
6
Test report................................................................................................................................15
7
Marking, labelling and packaging..........................................................................................15
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Annex A (informative) Example of a test sheet ................................................................................16 Bibliography .........................................................................................................................................17
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EN 13180:2001 (E)
Foreword This European Standard has been prepared by Technical Committee CEN/TC 156 "Ventilation for buildings", the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by May 2002, and conflicting national standards shall be withdrawn at the latest by May 2002. This standard is one of a series of standards for ductwork used for ventilation and air conditioning of buildings for human occupancy.
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The position of this standard in the field of mechanical building services is shown in Figure 1. Mechanical building services
Control Systems
Ventilation and air conditioning systems
or Air handling units
Installation
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Rectangular sheet metal air ducts – Requirements for strength and leakage
Circular sheet metal air ducts –Requirements for strength and leakage
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Hangers and supports – Requirements for strength
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Sheet metal air ducts with rectangular cross section -Dimensions
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Sheet metal air ducts with circular cross section Dimensions
Ductwork
Heating Systems
Requirements for
Measurement of duct surface area
Flanges
ductwork components to facilitate
maintenance
Determination of
Flexible
Ductwork made of
mechanical energy
ducts
insulation ductboards
loss Figure 1 Position of EN 13180 in the field of mechanical building services
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EN 13180:2001 (E)
Annex A is informative. This standard includes a Bibliography. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom.
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EN 13180:2001 (E)
Introduction This standard has been prepared to: – specify dimensions and tolerances for flexible ducts;
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– give methods for the performance testing of flexible ducts; – and enable assessment of minimum technical requirements.
However because of the different types of flexible ducts and the various requirements in each application, some technical characteristics are presented as classes and may differ depending on the materials used. This standard can be used for the following applications:
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– testing of components during and after manufacturing; – attestation purposes.
Temperature characteristics are supplied by the manufacturer.
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Scope
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This standard specifies requirements and test methods for the technical characteristics of flexible ducts used in ventilation and air conditioning installations in buildings for human occupancy. This standard identifies the following parameters which shall be tested or inspected: – dimensions and tolerances; – mechanical resistance.
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Acoustic, thermal, reaction to fire, and pressure loss properties of flexible ducts are not covered in this standard.
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Terms and definitions
For the purposes of this European Standard, the following terms and definitions apply.
2.1
flexible duct duct which can be manually longitudinally compressed or decompressed and flexed without permanently damaging the cross section area
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EN 13180:2001 (E)
2.2 air leakage factor air tightness expressed as the air leakage rate per unit envelope area
2.3 crushing strength load, at right angles to the axis of the duct, per unit deflection up to a maximum of 10 % deformation
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positive rated operating pressure tested maximum positive pressure at which the duct is rated
2.5
2.6
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negative rated operating pressure tested maximum negative pressure at which the duct is rated
nominal length of a flexible duct actual length of a flexible duct after decompression and in an unstressed state
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sag angle of deflection of one end of a flexible duct when extending in the air beyond the horizontal support of the remainder of the flexible duct
2.8
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test pressure (ps) static gauge pressure measured in the duct being tested
3
Dimensions for ducts
3.1 Ducts with circular cross section
The deviations depending on the nominal diameter shall conform to Table 1 when verified in accordance with 5.2. The nominal diameters shall also apply to fittings.
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EN 13180:2001 (E)
Table 1 Nominal diameters and deviations
Nominal diameter d
Deviations
mm
mm Class A
Class B
80
+1
+3
100
0
0
200
+2
+4
250
0
0
63
150 160
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125
300
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400 450
+3
+6
500
0
0
560
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630
NOTE Figures in bold indicate recommended sizes in accordance with EN 1506
Where a nominal diameter other than those given in Table 1 is specified by the client, the deviations used shall be those applicable to the nearest smaller nominal diameter given in Table 1.
3.2 Ducts with non-circular cross section
The nominal dimensions and tolerances shall be as specified by the manufacturer.
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