EN 1856-1:2009

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Dimniki - Zahteve za kovinske dimnike - 1. del: Proizvodi za sistemske dimnikeAbgasanlagen - Anforderungen an Metall-Abgasanlagen - Teil 1: Bauteile für System-AbgasanlagenConduits de fumèe - Prescriptions pour les conduits de fumèe mètalliques - Partie 1: Composants de systèmes de conduits de fumèeChimneys - Requirements for metal chimneys - Part 1: System chimney products91.060.40Dimniki, jaški, kanaliChimneys, shafts, ductsICS:Ta slovenski standard je istoveten z:EN 1856-1:2009SIST EN 1856-1:2009en,fr,de01-oktober-2009SIST EN 1856-1:2009SLOVENSKI
STANDARDSIST EN 1856-1:2003/A1:2006SIST EN 1856-1:20031DGRPHãþD

EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 1856-1June 2009ICS 91.060.40Supersedes EN 1856-1:2003
English VersionChimneys - Requirements for metal chimneys - Part 1: Systemchimney productsConduits de fumèe - Prescriptions pour les conduits defumèe mètalliques - Partie 1: Composants de systèmes deconduits de fumèeAbgasanlagen - Anforderungen an Metall-Abgasanlagen -Teil 1: Bauteile für System-AbgasanlagenThis European Standard was approved by CEN on 7 May 2009.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN 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 translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre:
Avenue Marnix 17,
B-1000 Brussels© 2009 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 1856-1:2009: ESIST EN 1856-1:2009

Corrosion tests . 27 A.1 Corrosion test method for products designated V1 . 27 A.1.1 General . 27 A.1.2 Pass/Fail criteria . 27 A.1.3 Sampling. 27 A.1.4 Test methods . 27 A.1.5 Evaluation. 31 A.1.6 Test report . 32 A.2 Corrosion test method for products designated V2 . 35 A.2.1 General . 35 A.2.2 Pass/Fail criteria . 35 A.2.3 Sampling. 35 A.2.4 Test methods . 35 A.2.5 Evaluation. 37 A.2.6 Test report . 38 A.3 Corrosion test method for products designated V3 . 39 A.3.1 General . 39 A.3.2 Pass/Fail criteria . 39 A.3.3 Sampling. 40 A.3.4 Test methods . 40 A.3.5 Evaluation. 43 A.3.6 Test report . 43 Annex B (normative)
Choice of size for type test and sampling . 46 Annex C (normative)
Sampling for factory production control . 47 C.1 Incoming material . 47 C.1.1 Sampling plans . 47 C.1.2 Acceptable quality level (AQL) . 47 C.1.3 Normal, tightened or reduced inspection . 47 C.1.4 Single, double, multiple or sequential sampling . 47 C.1.5 Batch quantity . 47 C.1.6 The inspection level . 47 C.2 In-process inspection . 48 C.2.1 All dimensional aspects . 48 C.2.2 Joint leakage tests . 48 C.2.3 Insulation weight checks . 48 C.2.4 Volume and density checks . 48 C.2.5 Finished goods checks . 48 Annex D (normative)
Factory production control . 49 D.1 General . 49 D.2 Insulation material . 49 D.3 Metals, including coatings. 49 D.4 Supports . 49 D.5 Seals and sealants . 49 D.6 Manufacturing checks . 50 D.6.1 Dimensions . 50 D.6.2 Other checks . 50 Annex ZA (informative)
Clauses of this European Standard addressing the provisions of the EU Construction Products Directive . 51 ZA.1 Scope and relevant characteristics . 51 ZA.2 Procedure(s) for attestation of conformity of metal system chimneys . 53 ZA.2.1 System(s) of attestation of conformity . 53 SIST EN 1856-1:2009

Introduction This European Standard has been prepared to be a harmonised standard to provide means of conforming to the essential requirements of the Construction Products Directive and associated EFTA regulations. The generic word "chimney", when used in this European Standard, refers to systems with metallic liner used to convey the products of combustion from any appliance to the outside atmosphere, and thus includes all other terms of common use in the trade, such as vents, flues, shafts, exhaust systems, ducts, etc. This European Standard addresses the durability against corrosion by the use of a minimum material specification for the flue liner as well as an interim solution for testing products for durability against corrosion. Three corrosion resistance tests and their requirements have been adopted from existing corrosion testing being undertaken in various member states (see Annex A). This European Standard describes chimney components, from which system chimneys can be assembled as illustrated in Figure 1. SIST EN 1856-1:2009

[EN 1443:2003] SIST EN 1856-1:2009

[EN 1443:2003] 3.2.2 chimney component any part of a chimney
[EN 1443:2003] 3.3 chimney designation shortened description of a specific chimney type, which clearly distinguishes it from any other types 3.4 chimney fitting chimney component conveying products of combustion except a chimney section (see Figure 1)
[EN 1443:2003] 3.5 chimney section straight chimney component conveying products of combustion (see Figure 1)
[EN 1443:2003] 3.6 cladding additional non-structural outer wall around a chimney for protection against heat transfer or weathering, or for decorative purposes (see Figure 1)
[EN 1443:2003] 3.7 connecting flue pipe component or components connecting the heating appliance outlet and the chimney (see Figure 1)
[EN 1443:2003] 3.8 corrosion load combination of condensate and corrosion resistance classes necessary for the different operating conditions and types of fuel 3.9 custom built chimney chimney that is installed or built on-site using a combination of compatible chimney components that may be from one or different sources
[EN 1443:2003] 3.10 design load (DL) load which a chimney or its components are designed to be subjected to, under normal operating conditions, when installed as per manufacturer's installation instruction SIST EN 1856-1:2009

[EN 1443:2003] 3.12 enclosure barrier that, when built around a chimney, will give additional safety in case of fire and can provide additional heat transfer resistance (see Figure 1)
[EN 1443:2003] 3.13 external installation part of a chimney, which is located outside the building 3.14 firestops barrier to prevent the spread of fire
3.15 flexible pipe metal liner, or metal connecting flue pipe having a single or double skin construction, designed to bend in any direction without permanent deformation 3.16 flue passage for conveying the products of combustion to the outside atmosphere (see Figure 1)
[EN 1443:2003] 3.17 flue gas gaseous portion of the products of combustion conveyed in a flue
[EN 1443:2003] 3.18 flue liner wall of a chimney consisting of components the surface of which is in contact with products of combustion (see Figure 1)
[EN 1443:2003] 3.19 heating appliances unit generating products of combustion which need to be conveyed to the outside atmosphere (see Figure 1)
[EN 1443:2003] 3.20 insulation material or air gap between the flue liner and the outer wall, designed to increase thermal resistance of the chimney (see Figure 1) SIST EN 1856-1:2009

[EN 1443:2003] 3.23 manufacturer instructions product written information which is provided for use by the buyer or installer 3.24 metal chimney chimney with its flue liner made of metal, which may have additional surrounding structural elements and accessories, as well as insulation 3.25 metal liner rigid or flexible flue liner made of metal
Figure 1 — Terminology - chimney components and chimney accessories 3.26 minimum declared wall thickness value for the minimum thickness of the liner wall as stated by the manufacturer for the type test 3.27 multi-wall chimney chimney consisting of a flue liner and at least one additional wall
[EN 1443:2003] SIST EN 1856-1:2009

[EN 1443:2003] 3.30 nominal size whole number representing the value of the internal diameter of the flue liner, expressed in millimetres 3.31 non enclosed chimney chimney which is installed without any enclosure or cladding 3.32 outer wall external wall of a chimney, the surface of which comes in contact with ambient or the external environment, or is within cladding or enclosure (see Figure 1)
[EN 1443:2003] 3.33 positive pressure chimney chimney designed to operate with the pressure inside the flue greater than the pressure outside the flue
[EN 1443:2003] 3.34 relining process of restoring or replacing the flue liner of a chimney
[EN 1443:2003] 3.35 resistance to fire ability of a chimney to prevent ignition of adjacent combustible material, and to prevent the spread of fire to adjacent areas 3.36 single-wall chimney chimney where the flue liner is the chimney
[EN 1443:2003] 3.37 sootfire combustion of the flammable residue deposited on the flue liner
[EN 1443:2003] 3.38 structurally independent chimney chimney which is not attached to buildings, masts or other support structure SIST EN 1856-1:2009

[EN 1443:2003] 3.41 terminal fitting installed at the outlet of a chimney (see Figure 1)
[EN 1443:2003] 3.42 test assembly complete assembly of all parts necessary to enable the specific performance criteria to be assessed, comprising test chimney, test structures, and measuring equipment (as specified in the test method) 3.43 test chimney assembly of the chimney components (as specified in the test method), necessary to the assessment of a specific performance criteria of a metal system chimney product 3.44 test structure assembly of the additional materials (non-chimney components) to enable the test chimney to be assessed for the specific performance criteria 3.45 thermal resistance of a chimney resistance to heat transfer through the wall or walls of the chimney
[EN 1443:2003] 3.46 wet operating condition condition when the chimney is designed to operate normally with the temperature of the inner surface of the flue liner at or below the water dew point
[EN 1443:2003] 4 Manufacturer’s declaration for type test The manufacturer shall provide the relevant information from 7.2 and, in addition, shall declare: a) the type of metals from which the chimney fittings or sections are made, according to EN 10088-1 and EN 573-3, and the nominal and minimum wall thickness; b) the internal diameter of the chimney fittings or sections and the nominal product size; c) the minimum wall thickness after manufacture, the installed length, liner external circumference, total mass and design loads of the fitting or section and, if appropriate, the insulation density or mass. SIST EN 1856-1:2009

Performance requirements 6.1 General Unless otherwise stated, performance requirements for fittings shall be the same as those for chimney sections. 6.2 Mechanical resistance and stability NOTE A NPD value (no performance determined) implies a zero mechanical resistance or stability value. 6.2.1 Compressive strength 6.2.1.1 Chimney sections and fittings The manufacturer shall declare the relevant design loads. When tested according to the test method described in EN 1859 a multi-wall chimney section or fitting shall withstand a load of at least three times the manufacturer's declared design load. When tested according to the test method described in EN 1859, single- and multi-wall chimney sections or fittings where the flue liner is load bearing, shall withstand a load of at least four times the manufacturer's declared design load. 6.2.1.2 Chimney support The manufacturer shall declare the relevant design loads. When tested according to the test method described in EN 1859, the maximum displacement of the test chimney at the support shall not be greater than 5 mm, in the direction of the load when the manufacturer's declared design load is applied. The support shall withstand an intensity of loading of at least three times the manufacturer's declared design load. SIST EN 1856-1:2009

6.4 Sootfire resistance When a chimney made of sections and/or fittings designated as sootfire resistant is tested according to the thermal shock test method described in EN 1859, the maximum surface temperature of combustible materials adjacent to the test chimney, at the distance declared, shall not exceed 100°C when related to an ambient temperature of 20°C and shall meet the gas tightness given in 6.5. The distance declared shall not exceed the criteria for normal operating conditions.
The chimney to be tested shall be the largest diameter in the manufacturer’s range, up to and including 200 mm.
The distance to combustible material for chimneys larger than that tested shall be increased by a factor.
For diameters from 201 to 300 the factor shall be 1 time the distance to combustible material determined for the 200 mm product, for diameters from 301 to 450 the factor shall be 1.5, and those diameters from 451 to 600 shall apply a factor of 2, and above 600 the factor shall be 4. 6.5 Hygiene, health and environment, gas tightness When a chimney is tested according to the test methods described in EN 1859, the leakage rate shall not be greater than that given in Table 1, both before and after the thermal performance test at normal operating condition and, where appropriate, the resistance to sootfire test (see possible test sequence of EN 1859). For positive pressure systems a gas tightness test shall also be performed on other diameters than that for thermal testing.
It shall be undertaken on the smallest, largest and one diameter in between, using two chimney sections with a joint, not subjected to thermal testing. SIST EN 1856-1:2009

6.6 Safety in use 6.6.1 Thermal performance at normal operating conditions When a chimney made of sections and/or fittings is tested according to the heat stress test method described in EN 1859, the maximum surface temperature of combustible materials adjacent to the test chimney, at the distance declared by the manufacturer, for the designated temperature class, shall not be greater than 85°C, when related to an ambient temperature of 20°C and shall meet the gas tightness given in 6.5.
The chimney to be tested shall be the largest in the manufacturer’s range, up to and including 200 mm.
The distance to combustible material for chimneys larger than that tested shall be increased by a factor.
For diameters from 201 to 300 the factor shall be 1 time the distance to combustible material determined for the 200 mm value; for diameters from 301 to 450 factor shall be 1.5, and those diameters from 451 to 600 shall apply a factor of 2, and above 600 the factor shall be 4. Where a chimney is designated sootfire resistant the requirement for the thermal performance at normal operating conditions shall be verified both before and after the thermal shock test to check the durability of any thermal insulation in soot fire condition. In addition, for positive pressure chimneys, and negative pressure chimneys which incorporate a seal or sealant as part of the joint, the elongation of the test chimney measured after subjecting the test chimney to the cycling criteria of EN 1859, shall not exceed 0.005 m, and meet the gas tightness given in 6.5. 6.6.2 Accidental human contact Where the surface temperature of a chimney, when measured during the thermal tests of 6.4 and 6.6.1, exceeds the values in Table 2 and where accidental human contact is possible, then the manufacturer shall specify that the chimney shall be protected from touching. SIST EN 1856-1:2009

The values in Table 2 are based on the criteria in EN ISO 13732-1 relating to a 1 s burn threshold.
6.6.3 Thermal resistance The thermal resistance value of the chimney section declared by the manufacturer shall be verified either by testing, according to the test method of EN 1859 (being the reference value), or by calculation using the simplified calculation of EN 1859. When the value for the thermal resistance is calculated, the thermal conductivity value shall be based on the mean temperature of the insulation depending on the nominal temperature of Table 3 up to 200 ºC. Table 3 — Temperature classes and test temperatures Temperature class Nominal working temperature (T)°C Flue gas test temperature°C T 080 T 100 T 120 T 140 T 160 T 200 T 250 T 300 T 400 T 450 T 600 ≤ 80 ≤ 100 ≤ 120 ≤ 140 ≤ 160 ≤ 200 ≤ 250 ≤ 300 ≤ 400 ≤ 450 ≤ 600 100 120 150 170 190 250 300 350 500 550 700
Multi-wall chimney products which have a liner gas tightness of P1, H1 or H2 may also be wet designated without undertaking the water vapour diffusion test, provided that the product passes the condensate penetration resistance requirement of 6.6.5. 6.6.5 Condensate penetration resistance When a section or fitting designated for wet operating conditions and not previously subjected to the water vapour diffusion resistance test is tested according to the test method described in EN 1859, the outer surface of the section or fitting shall remain dry and the increase in mass of the section or fitting shall not exceed 1,0 % of the insulating material. 6.6.6 Rainwater penetration resistance When multi-wall insulated sections or fittings which are subject to rain penetration either externally or internally are tested according to the test method described in EN 1859, the increase in mass of each section or fitting shall not exceed 1,0% of the insulating material. 6.6.7 Flow resistance 6.6.7.1 Chimney sections The manufacturer shall declare the mean value of roughness for chimney sections, which shall be determined according to the method given in EN 1859 or obtained from data given in EN 13384-1. 6.6.7.2 Chimney fitting The manufacturer shall declare the coefficient of flow resistance due to a directional and/or cross-sectional and/or mass flow change in the flue for chimney fittings which shall be determined according to the method given in EN 1859 or obtained from data given in EN 13384-1. 6.6.7.3 Terminals The manufacturer shall declare the coefficient of flow resistance of the terminal which shall be verified according to the test method described in EN 1859 or obtained from data given in EN 13384-1. 6.6.8 Other requirements for terminals 6.6.8.1 Rain protection terminals Where a rain protection terminal is tested for rain water penetration according to the test method described in EN 1859, the mass of the water collected in the flue liner shall not exceed 5 × 10-2 mm3/s per millimetre of flue liner diameter. SIST EN 1856-1:2009

Material type Material Nº Symbol 10
13 20
70 99b EN AW – 4047A
EN AW – 1200A
EN AW-6060 1.4301
1.4307
1.4401
1.4404a
1.4432
1.4539 To be declared EN AW Al Si 12(A) and
Cu <0,1%, Zn<0,15% (cast aluminium)
EN AW-Al 99,0 (A)
EN
AW-AI
MgSi X5CrNi 18-10
X2CrNi 18-9
X5CrNiMo 17-12-2
X2CrNiMo 17-12-2
X2CrNiMo 17-12-3
X1NiCrMoCu 25-20-5 To be declared a Equivalent for material Nº 1.4404 = 1.4571(symbol X6CrNiMoTi 17-12-2). b A material type not currently specified in the Table (and assigned a material number) may be assigned the material type 99 for the purpose of designating the product in accordance with Clause 9.
It may be considered as a suitable liner material provided that it has passed the appropriate corrosion test according to its intended designation V1, V2, or V3.
The manufacturer shall declare the material specification (see 7.2)
6.7.3 Freeze-thaw resistance Metal chimney products are considered to satisfy the requirement on freeze-thaw resistance. 6.7.4 Flue liner seals. Flue liner seals shall be in accordance with EN 14241-1 SIST EN 1856-1:2009

The manufacturer shall include in his documentation and instructions the followi
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