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1、BRITISH STANDARD BS EN 13443-2:2005 +A1:2007 Water conditioning equipment inside buildings Mechanical filters Part 2: Particle rating 1 4 4m to less than 80 4 4m Requirements for performance, safety and testing The European Standard EN 13443-2:2005, incorporating amendment A1:2007, has the status of
2、 a British Standard ICS 13.060.20; 91.140.60 ? Licensed Copy: London South Bank University, London South Bank University, Wed Aug 08 03:51:46 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BS EN 13443-2:2005+A1:2007 This British Standard was published under the authority of the Standards Policy and Stra
3、tegy Committee on 27 February 2006 BSI 2007 ISBN 978 0 580 59876 0 National foreword This British Standard is the UK implementation of EN 13443-2:2005, incorporating amendment A1:2007. The UK participation in its preparation was entrusted by Technical Committee B/504, Water supply, to Subcommittee B
4、/504/13, Water treatment devices. A list of organizations represented on this subcommittee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a Britis
5、h Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments 1724331 July 2007Incorporating CEN amendment A1:2007. Licensed Copy: London South Bank University, London South Bank University, Wed Aug 08 03:51:46 GMT+00:00 2007, Uncontrolled Copy,
6、(c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13443-2:2005+A1 June 2007 ICS 13.060.20; 91.140.60 Supersedes EN 13443-2:2005 English Version Water conditioning equipment inside buildings - Mechanical filters - Part 2: Particle rating 1 m to less than 80 m - Requirements for performance
7、, safety and testing Appareils de traitement deau lintrieur des btiments - Filtres mcaniques - Partie 2: Particules de taille 1 m 80 m - Exigences de performances, de scurit et essais Anlagen zur Behandlung von Trinkwasser innerhalb von Gebuden - Mechanisch wirkende Filter - Teil 2: Filterfeinheit 1
8、 m bis 80 m - Anforderungen an Ausfhrung, Sicherheit und Prfung This European Standard was approved by CEN on 24 December 2004 and includes Amendment 1 approved by CEN on 10 May 2007. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving
9、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 CEN Management Centre or to any CEN member. This European Standard exists in three official versio
10、ns (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 CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium,
11、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 STAN
12、DARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2007 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13443-2:2005+A1:2007: E Licensed Copy: London Sou
13、th Bank University, London South Bank University, Wed Aug 08 03:51:46 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 13443-2:2005+A1:2007 (E) 2 Contents Page Foreword3 1 Scope 4 2 Normative references4 3 Terms and definitions .4 4 Symbols and abbreviations8 5 Design requirements.9 6 Performance requi
14、rements.10 7 Test procedures.11 8 Technical documents, labelling and marking.38 Annex A (informative) Typical test reports.40 Annex B (informative) Typical graphical representation of test results46 Annex C (normative) Integrity inspection and measurement of first bubble point50 Annex D (normative)
15、!Installation, operation and maintenance 53 Bibliography57 Licensed Copy: London South Bank University, London South Bank University, Wed Aug 08 03:51:46 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 13443-2:2005+A1:2007 (E) 3 Foreword This document (EN 13443-2:2005+A1:2007) has been prepared by Tec
16、hnical Committee CEN/TC 164 “Water supply”, the secretariat of which is held by AFNOR. This document shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2007 and conflicting national standards shall be withdrawn at
17、 the latest by December 2007. This document includes Amendment 1, approved by CEN on 2007-05-10. This document supersedes EN 13443-2:2005. The start and finish of text introduced or altered by amendment is indicated in the text by tags ! “. a) this document provides no information as to whether the
18、product may be used without restriction in any of the Member States. b) it should be noted that, while awaiting the adoption of verifiable European criteria, existing national regulation concerning the use and/or the characteristics of this product remain in force. This is the second part of the two
19、-part standard for mechanical filters. Part 1 is concerned with mechanical filters with a particle size rating from 80 m to 150 m. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria
20、, 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. Licensed Copy: L
21、ondon South Bank University, London South Bank University, Wed Aug 08 03:51:46 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 13443-2:2005+A1:2007 (E) 4 1 Scope This document specifies requirements relating to the construction, performance and methods of testing for mechanical filters for the removal
22、 of suspended matter in drinking water installations inside buildings. It applies to filters with a filtration rating from 1 m up to less than 80 m and which are intended for use in systems with a minimum pressure rating of PN 6, connections between DN 15 and DN 100 and service temperature of less t
23、han 30 C. This document is applicable to back-washable filters, integral filters and those designed for replaceable cartridges. It only concerns units that are permanently connected to the mains supply at point of entry or point of use. Part 1 of this standard (EN 13443-1) is a separate document and
24、 deals with filters with a particle rating between 80 m and 150 m. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced docu
25、ment (including any amendments) applies. EN 872, Water quality Determination of suspended solids Method by filtration through glass fibre filters EN 1717, Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflow EN 1344
26、3-1:2002, Water conditioning equipment inside buildings Mechanical filters Part 1: Particle rating 80 m to 150 m Requirements for performances, safety and testing ISO 304, Surface active agents Determination of surface tension by drawing up liquid films ISO 1219-1, Fluid power systems and components
27、 Graphic symbols and circuit diagrams Part 1: Graphic symbols ISO 4021, Hydraulic fluid power Particulate contamination analysis Extraction of fluid samples from lines of an operating system ISO 12103-1, Road vehicles Test dust for filter evaluation Part 1: Arizona test dust 3 Terms and definitions
28、For the purposes of this document, the following terms and definitions apply. 3.1 average pore diameter (DMP) value, in m, of the pore diameter which corresponds to the mode of the relative frequency of pore diameter distribution of a filter media determined by air porosimetry 3.2 backwashable filte
29、r filter unit which is equipped with facilities, manual or automatic, to enable the periodic, in situ cleaning of the filter element by reversing the flow of water through the element 3.3 bubble point lowest air pressure at which a stream of bubbles appears at a point of the filter media surface whe
30、n immersed under air pressure in a wetting liquid in accordance with Annex C Licensed Copy: London South Bank University, London South Bank University, Wed Aug 08 03:51:46 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 13443-2:2005+A1:2007 (E) 5 3.4 cartridge filter filter unit comprising a housing a
31、nd replaceable element 3.5 collapse pressure ( Pc) 80 % of the differential pressure at the inflexion point 3.6 counting threshold electronic threshold for detecting particles of a given size 3.7 cumulative mean filtration efficiency per period (Edp) cumulative efficiency calculated from the total n
32、umbers of particles greater than size d counted upstream and downstream of a filter during the period p 3.8 cumulative overall mean filtration efficiency (Edg) cumulative efficiency calculated from the total number of particles greater than size d counted upstream and downstream of a filter during t
33、he whole test 3.9 depth filter filter element, comprising a thick porous barrier, with a pore size larger than the particles to be removed, such that the particles are trapped mainly within the depth of the element as water passes through it 3.10 differential pressure (dP) pressure difference betwee
34、n the inlet and outlet of the filter unit measured under predetermined conditions. The differential pressure generated by the complete filter is equal to the sum of the differential pressures generated by the housing and by the filter element 3.11 differential pressure at the inflexion point (dPi )
35、differential pressure across the filter unit including the cartridge at the inflexion point, minus the differential pressure generated by the test container alone (see Figure B.4) 3.12 drinking water water intended for human consumption as defined by Council Directive 98/83/EC (see 1) 3.13 fibre par
36、ticle which is larger than 50 m and for which the ratio of length to width is at least 10 3.14 filter cartridge replaceable filter element (spun, wound, pleated, .) 3.15 filter element that part of a mechanical filter designed to retain particulate matter 3.16 filter housing pressure vessel which co
37、ntains and seals the filter element and usually comprises the head, which usually embodies the connection, and the sump or body, which contains the element Licensed Copy: London South Bank University, London South Bank University, Wed Aug 08 03:51:46 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 134
38、43-2:2005+A1:2007 (E) 6 3.17 filter system complete installation comprising the filter housing, isolation valves, pressure gauges, pipework, etc. 3.18 final differential pressure (dPF) differential pressure of the filter element at the end of testing 3.19 inflexion point point of discontinuity on a
39、graph of pressure drop against solids loading curve, indicating deformation of the cartridge and potential solids break-through (see Figure B.4) 3.20 integral filter complete filter for which the filter element and housing are inseparable 3.21 ISO Coarse Test Dust (ISO CTD) siliceous test powder hav
40、ing a particle size distribution by convention between 0 m and 200 m in accordance with ISO 12103-1 NOTE It may also be referred to as ISO 12103-1 A4 dust. 3.22 ISO Medium Test Dust (ISO MTD) siliceous test powder having a particle size distribution by convention between 0 m and 80 m in accordance w
41、ith ISO 12103-1 NOTE It may also be referred to as ISO 12103-1 A3 dust. 3.23 mechanical filter appliance designed to remove particulate matter from water by passage of the water through a porous medium 3.24 net differential pressure (dPN) difference between the final differential pressure of the clo
42、gged filter element and the differential pressure across the clean filter element (see 3.8) 3.25 nominal flow rate flow rate for the filter specified by the manufacturer or, in the absence of this specification, the flow rate through the clean filter element at which the pressure drop across the fil
43、ter element is 20 kPa 3.26 particle shedding release of particles of the filter element construction material into the filtered water 3.27 reference filtration rating (S) dimension, in m , of the ISO MTD or ISO CTD particles at which the overall mean cumulative filtration efficiency of a filtering c
44、artridge tested in accordance with the procedure described in this document, is greater than or equal to 99,8 % 3.28 retention capacity (CR) mass of ISO MTD or ISO CTD effectively retained by the filter element when the final standard differential pressure of 250 kPa is reached (CR250) or a specific
45、 one of x kPa (CRx), calculated by subtraction of the mass of contaminant in the filtrate from the injected mass Licensed Copy: London South Bank University, London South Bank University, Wed Aug 08 03:51:46 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 13443-2:2005+A1:2007 (E) 7 3.29 surface filter
46、 filter element comprising a thin permeable material, with a pore size smaller than the particles to be removed, such that the particles are trapped mainly on the surface of the material as the water passes through it 3.30 total mass of injected contaminant (Mi) mass of ISO MTD or ISO CTD injected i
47、nto the test circuit up to the point when the specified final differential pressure is reached Licensed Copy: London South Bank University, London South Bank University, Wed Aug 08 03:51:46 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 13443-2:2005+A1:2007 (E) 8 4 Symbols and abbreviations The gener
48、ic symbols and abbreviations used in this document are given in Table 1. Table 1 Symbols and abbreviations Symbol or abbreviation Parameter Unit Ce Test concentration mg/l Ci Injection concentration mg/l CR2 500 Retention capacity at 2 500 kPa g CRx Retention capacity at x kPa g CTD Coarse Test Dust
49、 - P Differential pressure kPa PF Final differential pressure kPa d Size of the particle m dPc Loss of pressure due to the test housing alone kPa dPeo Loss of pressure due to the clean filter alone kPa dPF Loss of pressure at the end of the test kPa dPi Loss of pressure at the point of inflexion kPa dPo Loss of pressure due to the test housing kPa dPs Loss of specific pressure kPa Ed Cumulative filtration efficiency at the size grea