EN 1856-2:2009

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.SULNOMXþNLAbgasanlagen - Anforderungen an Metall-Abgasanlagen - Teil 2: Innenrohre und Verbindungsstücke aus MetallConduits de fumée - Prescriptions relatives aux conduits de fumée métalliques - Partie 2: Tubages et éléments de raccordement métalliquesChimneys - Requirements for metal chimneys - Part 2: Metal flue liners and connecting flue pipes91.060.40Dimniki, jaški, kanaliChimneys, shafts, ductsICS:Ta slovenski standard je istoveten z:EN 1856-2:2009SIST EN 1856-2:2009en,fr,de01-oktober-2009SIST EN 1856-2:2009SLOVENSKI
STANDARDSIST EN 1856-2:20041DGRPHãþD

EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 1856-2June 2009ICS 91.060.40Supersedes EN 1856-2:2004
English VersionChimneys - Requirements for metal chimneys - Part 2: Metalflue liners and connecting flue pipesConduits de fumée - Prescriptions relatives aux conduits defumée métalliques - Partie 2: Tubages et éléments deraccordement métalliquesAbgasanlagen - Anforderungen an Metall-Abgasanlagen -Teil 2: Innenrohre und Verbindungsstücke aus MetallThis 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 1856-2:2009: ESIST EN 1856-2:2009

Test methods . 22 A.1 Measure of diameter of flexible flue liner . 22 A.1.1 Procedure . 22 A.1.2 Results . 22 A.2 Gas tightness . 22 A.2.1 General . 22 A.2.2 Conditioning and apparatus . 22 A.2.3 Procedure . 22 A.2.4 Results . 22 A.3 Tensile strength . 22 A.3.1 Test assembly . 22 A.3.2 Procedure . 23 A.3.3 Test results . 23 A.4 Crushing resistance . 23 A.4.1 Test apparatus . 23 A.4.2 Procedure . 23 A.4.3 Test results . 23 A.5 Flexibility test . 24 A.5.1 Test apparatus . 24 A.5.2 Test conditioning . 24 A.5.3 Procedure . 24 A.5.4 Results . 24 A.6 Torsion strength test . 25 A.6.1 Test apparatus . 25 A.6.2 Test assembly . 25 A.6.3 Procedure . 25 A.6.4 Results . 26 A.7 Thermal performance test . 26 A.7.1 Apparatus . 26 A.7.2 Test structures . 27 A.7.3 Test samples . 28 A.7.4 Thermal test procedure . 28 Annex B (normative)
Choice of size for type test and sampling . 32 B.1 General . 32 B.2 Thermal testing . 32 B.3 Mechanical tests . 32 B.4 Gas tightness . 32 B.5 Samples . 32 B.6 Factory production control. 32 B.7 Nature of changes requiring further type test . 32 Annex ZA (informative)
Relationship between this European Standard and the Essential Requirements of Construction Products Directive (89/106/EEC) . 33 ZA.1 Scope and relevant characteristics . 33 ZA.2 Procedure(s) for attestation of conformity of rigid or flexible flue liners and rigid connecting flue pipes . 36 ZA.2.1 System(s) of attestation of conformity . 36 ZA.2.2 EC Declaration of conformity . 37 ZA.3 CE marking and labelling. 38 Bibliography . 43
supersedes EN 1856-2:2004. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EC Directive 89/106/EEC. For relationship with EC Directive 89/106/EEC, see informative Annex ZA, which is an integral part of this document. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: 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 the United Kingdom. SIST EN 1856-2:2009

EN 1856-1:2009 except wind load. 6.1.2 Flexible flue liners 6.1.2.1 General Flexible flue liners shall comply with the following requirements. 6.1.2.2 Compressive strength of fittings and supports The manufacturer shall declare the relevant design load of fittings and supports. The compressive strength requirements shall be in accordance with 6.2.1.1 and 6.2.1.2 of EN 1856-1:2009. 6.1.2.3 Tensile strength The manufacturer shall declare the relevant design load of flexible flue liners. The flexible flue liner, when tested in accordance with A.3, shall meet the gas tightness requirement of 6.3. 6.1.2.4 Crushing resistance When tested in accordance with A.4, the outside diameter of the flexible flue liner shall not have been reduced to less than 75 % of its original nominal diameter and shall meet the gas tightness requirement of 6.3. 6.1.2.5 Flexibility When tested in accordance with A.5.2, the flexible flue liner shall meet the gas tightness requirement of 6.3. When tested in accordance with A.5.2, the inner layer of the double skin flexible flue liner shall remain overlapped at the minimum bending radius declared by the manufacturer. Oval flexible liners shall be subjected to the test method of A.5.2 in both axes of the oval shape. 6.1.2.6 Torsion strength When a flexible flue liner is tested in accordance with A.6, it shall meet the gas tightness requirement of 6.3. 6.1.2.7 Pulling force Before the thermal performance test, as per 6.4.1.1 (see also A.7), it shall be checked that the pulling force measured in A.7.3.1.1 shall be less than 0,5 kN. SIST EN 1856-2:2009

EN 1859:2009 with the exception of the test rig (Figures 4 and 5) which shall be replaced by the test rig described in Annex A, it shall meet the gas tightness requirements defined in 6.3. 6.2.2 Rigid connecting flue pipes and fittings The manufacturer shall declare the minimum distance to combustible material, either measured according to Annex A or calculated as at least three times their nominal diameter but not less than 375 mm (as specified in EN 15287-1:2007, 4.3.9.3, paragraph 3, first sentence for connecting flue pipes naturally ventilated) and the requirements of 6.4.1 shall be met. The maximum surface temperature of combustible material adjacent to a rigid connecting flue pipe and its fittings designated as sootfire resistant, at the distance declared by the manufacturer, shall not exceed 100 °C when related to an ambient temperature of 20 °C. When a rigid connecting flue pipe and its fittings designated as sootfire resistant are tested to the test method described in A.7.3.3 and A.7.4, it shall also meet the gas tightness requirement of 6.3. 6.2.3 Flexible flue liners and fittings When a flexible flue liner and its fittings, designated as sootfire resistant, are tested according to the test method described in A.7.4.3, they shall meet the gas tightness requirements defined in 6.3. The test sample shall allow the test ball defined in A.7.3.1.2 to move freely down. 6.3 Gas tightness When tested in accordance with A.2 for flexible flue liners and their fittings or with 4.4 of EN 1859:2009 for rigid flue liners and rigid connecting flue pipes and their fittings, the leakage rate shall not be greater than those specified in Table 1. Table 1 — Leakage rate Pressure type Test pressure Pa Leakage rate/flue surface area l ⋅⋅⋅⋅ s-1 ⋅⋅⋅⋅ m-2 N1 40 < 2,0 N2 20 < 3,0 P1 200 < 0,006 P2 200 < 0,120 H1 200 and 5 000 < 0,006 H2 200 and 5 000 < 0,120 6.4 Safety in use 6.4.1 Thermal performance at normal operating conditions 6.4.1.1 Rigid flue liners and fittings When a flue liner and its fittings are tested according to the heat stress test method of EN 1859 with the exception of the test rig (Figures 4 and 5) which shall be replaced by the test rig described in A.7.2, they shall meet the gas tightness of 6.3. SIST EN 1856-2:2009

Table 2 — Material specification for connecting flue pipes Material type Material No. Symbol 00
99 c Cast iron
Normal steel EN 10025-5
Aluminium coated steel
EN AW – 4047A
EN AW - 1200
EN AW - 6060
1.4301
1.4307
1.4401
1.4404 b
1.4432
1.4539
Double sided vitreous enamelled steel To be declared -
S 235 JRG 2
EN 10154
EN AW Al Si 12 ª
EN AW-AL 99,0A
EN AW-Al 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
Cu < 0,1 %, Zn < 0,15 %. b
Equivalent for material no. 1.4404 = 1.4571 (symbol X6CrNiMoTi17-12-2). c
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 flue 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 Clause 7).
EXAMPLE L 40045 represents a flue liner made of 1.4401 stainless steel with a thickness of 0,45 mm. SIST EN 1856-2:2009

99 c EN AW – 4047A
EN AW - 1200
EN AW - 6060
1.4301
1.4307
1.4401
1.4404 b
1.4432
1.4539
To be declared EN AW Al Si 12 ª
EN AW-AL 99,0 ª
EN AW-Al 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
Cu < 0,1 %, Zn < 0,15 %. b
Equivalent for material no. 1.4404 = 1.4571 (symbol X6CrNiMoTi17-12-2). c
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 flue 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 Clause 7).
6.5.2 Freeze thaw resistance Metal flue liners and connecting flue pipes are considered to satisfy freeze thaw resistance requirements. 6.5.3 Flue liner seals Flue liner seals shall be in accordance with EN 14241-1. 7 Product information 7.1 Manufacturer's instructions The manufacturer‘s instructions shall be available in the language of each country where the product is placed on the market. SIST EN 1856-2:2009

EXAMPLES
Rigid connecting flue - EN 1856-2-T400-N1-W - Vm-L40045- G (xx) M or G (xx) NM a
Product description
Document number
Temperature class (see Table 3)
Pressure level (N or P or H)
Condensate resistance (W: wet or D: dry)
Corrosion resistance (durability against corrosion) (see 6.7.1 and Annex A of
EN 1856-1:2009)
Connecting flue pipe material specification (see Table 2)
Sootfire resistance (G: yes or O: no) and distance to combustible material xx (in mm) and if measured M and if not measured NM (only for connecting flue pipes)
a See 7.2.1.
Flexible flue liner - EN 1856-2-T400-N1 - W -Vm-L40010 a - G
Product description
Document number
Temperature class (see Table 4)
Pressure level (N or P or H)
Condensate resistance (W: wet or D: dry)
Corrosion resistance (durability against corrosion) (see 6.5.1 and Annex A of EN 1856-1:2009)
Flue liner material specification (see Table 3)
Sootfire resistance (G: yes or O: no)
a Inner skin for double skin flexible flue liners.
the operations referred to under i) and j),
only the operations under i) or,
only those under j). The operations under i) centre as much on the intermediate states of the product as on manufacturing machines and their adjustment, and equipment etc. These controls and tests and their frequency are chosen based on product type and composition, the manufacturing process and its complexity, the sensitivity of product features to variations in manufacturing parameters etc. The manufacturer shall have or have available the installations, the equipment and the personnel which enable him to carry out the
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