This document defines the test methods and performance characteristics for rigid or semi-rigid non-metallic ductwork which are used for ventilation and air conditioning of buildings.
This document does not include flexible ducts such as those made of textiles, non-metallic spiral ductwork or others, which are handled in EN 13180 or ductwork made from insulation duct board, which is handled in EN 13403. Requirements for the air tightness of the ventilation system for non-residential buildings are given in EN 16798 3. For residential buildings, it is essential to apply national rules.
This document specifies methods to test rigid or semi-rigid non-metallic ductwork under laboratory conditions. On-site tests are excluded. The test methods and performance characteristics are valid for ventilation ducts with circular, rectangular or other cross sections.

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This European Standard applies to both new and existing ventilation and air conditioning systems and specifies the assessment criteria of cleanliness, cleaning procedures of these systems, and the validation of the effectiveness of cleaning applies also to products, which conform to EN 1505, EN 1506, EN 13053, EN 13180 and EN 13403, used in air conditioning and ventilation systems for human occupancy defined in the scope of CEN/TC 156. This European Standard does not apply to installations for industrial processes.
Cleanliness of ventilation systems is considered important for human comfort and health, energy consumption, system service life and for cleanliness of operations or processes carried out in the ventilated area.
Considerations for change of component as an alternative for cleaning (e.g. in case of flexible ducts and air filters) are also included.
This European Standard specifies general requirements and procedures necessary in assessing and maintaining the cleanliness of ducted ventilation, including:
-   cleanliness quality classification;
-   how to assess the need for cleaning (visual, measurements);
-   assessment frequency (general guidance); guidance of system inspections in accordance with EN 15239, and EN 15240 when relevant;
-   selection of cleaning method – to be in line with handing over documentation according to
EN 12599;
-   how to assess the result of cleaning.
This European Standard is a parallel standard to EN 12097, which specifies requirements for dimension, shape and location for access panels for cleaning and service in ductwork systems.
This European Standard is made as an umbrella standard with informative annexes that can be revised, completed and further added in future revisions of this European Standard for specific system types, and products or applications in the system, such as:
-   Air Handling Units (AHU);
-   filter;
-   humidifiers;
-   heat recovery units;
-   decentralised air treatment units such as fan-coil units, indu

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This European Standard applies to technical ductwork products, intended for installation in ductwork conforming to EN 1505 and EN 1506, used in air conditioning and ventilation systems defined in the scope of CEN/TC 156. This document specifies the leakage requirements for technical ductwork products, i.e. components in the ductwork that has more functions than conveying air, such as sound attenuators, filter boxes and duct fans, etc.
The following products are not within the scope of this document:
-   ductwork components like bends, reducers and T-pieces. EN 12237 and EN 1507 apply;
-   flexible ducts according to EN 13180;
-   ducts made of insulation ductboards according to EN 13403;
-   dampers according to EN 1751;
-   air handling units according to EN 1886.
This document is a parallel standard to EN 12237, EN 1507 and EN 1751, based on the same leakage classification.

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This European Standard specifies dimensions of ducts and duct fittings with circular cross- section. It applies to ductwork used in ventilating and air conditioning systems in buildings, subject to human occupancy. The wall thickness of ducts and fittings is not specified in this standard; strength and leakage are dealt with in EN 12237 [2].
The corresponding standard for rectangular ducts is EN 1505 [1].

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This European standard specifies requirements for dimension, shape and location for access panels for cleaning and service in ductwork systems, which conform to EN 1505, EN 1506 and EN 13180.
National regulations shall always be followed, even when they deviate from requirements given in this standard.

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The European Standard applies to rectangular ductwork of sheet metal used in air conditioning and ventilation systems defined in the principal scope of CEN/TC 156.

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To specify a method for the measurement and calculation of the surface area of ductwork and ductwork components.

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This European Standard specifies the basic requirements and characteristics for ductwork made of insulation ductboards and used in ventilation and air conditioning systems of buildings subject to human occupancy. This standard does not specify the fire reaction classification for different types of ductboards.

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This standard specifies requirements and test methods for strength and air leakage of circular ductwork used in air conditioning and ventilation systems in buildings.
The standard is intended to establish the mechanical strength and leakage required to verify the fitness for the intended service as installed ductwork.
The standard is primarily intended for in-situ measurements, but provisions are also made for its use in laboratory testing. The requirements and methods are applicable also to rectangular ductwork in respect of air leakage.

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This standard specifies requirements for the construction and application of supports for sheet metal ductwork in ventilation and air conditioning systems.
The standard applies to any shape of ductwork (rectangular, circular and oval), and components used in ventilation and air conditioning systems in buildings.
The standard also takes into account insulation loads, safety factors, imposed loads (cleaning and maintenance), vibration isolation, and corrosion resistance.
The standard does not consider loading due to earthquakes.
The standard does not deal with fire requirements and fire protection of ducts and support systems.

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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.
Acoustic, thermal, reaction to fire, and pressure loss properties of flexible ducts are not covered in this standard.

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This European Standard specifies dimensional characteristics of circular flanges for sheet metal ductwork. It applies to ductwork used in ventilating and air conditioning systems in buildings, subject to human occupancy.  For flange dimensions of industrial fans see ISO 6580 and ISO 13351.

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This European Standard specifies dimensions of sheet metal air ducts and duct fittings with rectangular cross section. It applies to ductwork used in ventilation and air conditioning systems in buildings subject to human occupancy. The wall thickness of ducts and fittings is not specified in this standard; strength and leakage are dealt with in prEN 1507. The corresponding standard for circular ducts is prEN 1506.

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Standard for cleanliness of ductwork systems to include design, commissioning and maintenance aspects.

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2009-01-09 SJ: WI deleted according to Alert 4 (3YTF).
2008-08-27  Tolerance of 9 months before FV per CEN/TC 156 resolution 429/2008.
Tolerance of 9 months before Enquiry stage. Res. 335/2006 taken by CEN/TC 156 on 2006-03-08

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This European Standard specifies dimensions of ducts and duct fittings with circular cross-section. It applies to ductwork used in ventilating and air conditioning systems in buildings, subject to human occupancy. The wall thickness of ducts and fittings is not specified in this standard; strength and leakage are dealt with in prEN 12237. The corresponding standard for rectangular ducts is prEN 1505.

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This European Standard applies to both new and existing ventilation and air conditioning systems and specifies the assessment criteria of cleanliness, cleaning procedures of these systems, and the validation of the effectiveness of cleaning applies also to products, which conform to EN 1505, EN 1506, EN 13053, EN 13180 and EN 13403, used in air conditioning and ventilation systems for human occupancy defined in the scope of CEN/TC 156. This European Standard does not apply to installations for industrial processes.
Cleanliness of ventilation systems is considered important for human comfort and health, energy consumption, system service life and for cleanliness of operations or processes carried out in the ventilated area.
Considerations for change of component as an alternative for cleaning (e.g. in case of flexible ducts and air filters) are also included.
This European Standard specifies general requirements and procedures necessary in assessing and maintaining the cleanliness of ducted ventilation, including:
-   cleanliness quality classification;
-   how to assess the need for cleaning (visual, measurements);
-   assessment frequency (general guidance); guidance of system inspections in accordance with EN 15239, and EN 15240 when relevant;
-   selection of cleaning method – to be in line with handing over documentation according to
EN 12599;
-   how to assess the result of cleaning.
This European Standard is a parallel standard to EN 12097, which specifies requirements for dimension, shape and location for access panels for cleaning and service in ductwork systems.
This European Standard is made as an umbrella standard with informative annexes that can be revised, completed and further added in future revisions of this European Standard for specific system types, and products or applications in the system, such as:
-   Air Handling Units (AHU);
-   filter;
-   humidifiers;
-   heat recovery units;
-   decentralised air treatment units such as fan-coil units, indu

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This European Standard specifies dimensions of ducts and duct fittings with circular cross-section. It applies to ductwork used in ventilating and air conditioning systems in buildings, subject to human occupancy. The wall thickness of ducts and fittings is not specified in this standard; strength and leakage are dealt with in prEN 12237. The corresponding standard for rectangular ducts is prEN 1505.

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This prestandard applies to ductwork in buildings for human occupancy. It specifies the dimensions, shape and location requirements for openings, access and inspection covers and access doors for cleaning and service in ductwork. It applies to ductwork which is in accordance to standards prEN 1505, prEN 1506 and prEN XXXD.

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This Technical Report specifies unified test procedures and conditions for the experimental determination of mechanical energy loss coefficients for ductwork components such as ducts, bends, diffusors, converging junctions and diverging junctions.

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