1、BSI Standards PublicationPD CEN/TS 1452-7:2014Plastics piping systems forwater supply and for buriedand above-ground drainageand sewerage under pressure Unplasticized poly(vinylchloride) (PVC-U)Part 7: Guidance for the assessment ofconformityPD CEN/TS 1452-7:2014 PUBLISHED DOCUMENTNational forewordT
2、his Published Document is the UK implementation of CEN/TS1452-7:2014. It supersedes DD ENV 1452-7:2001 and DD CEN/TS1456-2:2003 which are withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee PRI/88/2, Plastics piping for pressure applications.A list of organizations
3、represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0
4、580 76569 8ICS 23.040.20; 91.140.60Compliance with a British Standard cannot confer immunity fromlegal obligations.This Published Document was published under the authority of theStandards Policy and Strategy Committee on 31 January 2014.Amendments issued since publicationDate T e x t a f f e c t e
5、dPD CEN/TS 1452-7:2014TECHNICAL SPECIFICATION SPCIFICATION TECHNIQUE TECHNISCHE SPEZIFIKATION CEN/TS 1452-7 January 2014 ICS 91.140.60 Supersedes CEN/TS 1456-2:2003, ENV 1452-7:2000English Version Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pr
6、essure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 7: Guidance for the assessment of conformity Systmes de canalisations en plastique pour lalimentation en eau, pour branchements et collecteurs dassainissement enterrs et ariens avec pression - Poly(chlorure de vinyle) non plastifi (PVC-U) -
7、Partie 7: Guide pour lvaluation de la conformit Kunststoff-Rohrleitungssysteme fr die Wasserversorgung und fr erdverlegte und nicht erdverlegte Entwsserungs- und Abwasserdruckleitungen - Weichmacherfreies Polyvinylchlorid (PVC-U) - Teil 7: Empfehlungen fr die Beurteilung der Konformitt This Technica
8、l Specification (CEN/TS) was approved by CEN on 9 December 2013 for provisional application. The period of validity of this CEN/TS is limited initially to three years. After two years the members of CEN will be requested to submit their comments, particularly on the question whether the CEN/TS can b
9、e converted into a European Standard. CEN members are required to announce the existence of this CEN/TS in the same way as for an EN and to make the CEN/TS available promptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force (in parallel to t
10、he CEN/TS) until the final decision about the possible conversion of the CEN/TS into an EN is reached. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Gree
11、ce, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG
12、CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. CEN/TS 1452-7:2014 EPD CEN/TS 1452-7:2014CEN/TS 1452-7:2014 (E) 2 Contents Page Foreword . 3 Introduction 4 1 Scope
13、. 5 2 Normative references . 5 3 Terms and definitions 5 4 Abbreviated terms 9 5 General . 9 6 Testing and inspection . 9 6.1 Grouping 9 6.1.1 General . 9 6.1.2 Size groups 10 6.1.3 Fitting/valve groups 10 6.2 Type tests (TTs) 10 6.3 Batch release tests (BRTs) 16 6.4 Process verification tests (PVTs
14、) 18 6.5 Audit tests (ATs) . 20 6.6 Indirect tests (ITs) . 23 6.7 Test records 23 Annex A (informative) Basic test Matrix for PVC-U Water and Pressure Sewer piping components . 24 Bibliography . 26 PD CEN/TS 1452-7:2014CEN/TS 1452-7:2014 (E) 3 Foreword This document (CEN/TS 1452-7:2014) has been pre
15、pared by Technical Committee CEN/TC 155 “Plastics piping systems and ducting systems”, the secretariat of which is held by NEN. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for i
16、dentifying any or all such patent rights. This document supersedes ENV 1452-7:2000, CEN/TS 1456-2:2003, which have been technically revised. EN ISO 1452, Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure Unplasticized poly(vinyl chloride) (
17、PVC-U), consists of the following parts: Part 1: General Part 2: Pipes Part 3: Fittings Part 4: Valves Part 5: Fitness for purpose of the system This part of EN ISO 1452 gives guidance for the assessment of conformity of compounds/formulations, products, joints and assemblies in accordance with the
18、applicable parts of EN ISO 1452 intended to be included in the manufacturers quality plan as part of the quality management system and for the establishment of certification procedures: Part 7: Guidance for the assessment of conformity. According to the CEN-CENELEC Internal Regulations, the national
19、 standards organizations of the following countries are bound to announce this Technical Specification: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Li
20、thuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. PD CEN/TS 1452-7:2014CEN/TS 1452-7:2014 (E) 4 Introduction Figures 1 and 2 are intended to provide general information on the concept of testing
21、and organization of those tests used for the purpose of the assessment of conformity. For each type of tests (i.e. type testing (TT), batch release test (BRT), process verification test (PVT) and audit test (AT), this part of EN ISO 1452 details the applicable characteristics to be assessed as well
22、as the frequency and sampling of testing. A typical scheme for the assessment of conformity of compounds/formulations, pipes, fittings, valves, joints or assemblies by manufacturers is given in Figure 1. Figure 1 Typical scheme for the assessment of conformity by a manufacturer A typical scheme for
23、the assessment of conformity of compounds/formulations, pipes, fittings, valves, joints or assemblies by manufacturers, including a certification, is given in Figure 2. Figure 2 Typical scheme for the assessment of conformity by a manufacturer, including a certification PD CEN/TS 1452-7:2014CEN/TS 1
24、452-7:2014 (E) 5 1 Scope This part of EN ISO 1452 gives guidance for the assessment of conformity of compounds/formulations, products, joints and assemblies in accordance with the applicable parts of EN ISO 1452 intended to be included in the manufacturers quality plan as part of the quality managem
25、ent system and for the establishment of certification procedures. NOTE 1 It is recommended that the quality management system conforms to or is no less stringent than the relevant requirements to EN ISO 9001 1. NOTE 2 If certification is involved, the certification body and inspection body is prefer
26、ably compliant with EN ISO/IEC 17065 5 or EN ISO/IEC 17021 3, as applicable. In conjunction with Parts 1 to 5 of EN ISO 1452 (see Foreword) this document is applicable to unplasticized poly(vinyl chloride) (PVC-U) plastics piping systems for water supply and for buried and above-ground drainage and
27、sewerage under pressure. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced docu
28、ment (including any amendments) applies. EN ISO 1452-1:2009, Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 1: General (ISO 1452-1:2009) EN ISO 1452-2:2009, Plastics piping systems for
29、water supply and for buried and above-ground drainage and sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 2: Pipes (ISO 1452-2:2009) EN ISO 1452-3:2010, Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure - Unplast
30、icized poly(vinyl chloride) (PVC-U) - Part 3: Fittings (ISO 1452-3:2009, corrected version 2010-03-01) EN ISO 1452-4:2009, Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 4: Valves (ISO
31、1452-4:2009) EN ISO 1452-5:2010, Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 5: Fitness for purpose of the system (ISO 1452-5:2009, corrected version 2010-03-01) 3 Terms and definiti
32、ons For the purposes of this document, the following terms and definitions given in EN ISO 1452-1:2009, EN ISO 1452-2:2009, EN ISO 1452-3:2010, EN ISO 1452-4:2009 and the following apply. 3.1 certification body impartial body, governmental or non-governmental, possessing the necessary competence and
33、 responsibility to carry out certification of conformity according to given rules of procedure and management Note 1 to entry: A certification body is preferably compliant with EN ISO/IEC 17065 5. 3.2 inspection body body that performs inspection Note 1 to entry: A body can be an organization or par
34、t of an organization. PD CEN/TS 1452-7:2014CEN/TS 1452-7:2014 (E) 6 Note 2 to entry: An inspection body is preferably compliant with EN ISO/IEC 17020 2. 3.3 testing laboratory laboratory which measures, tests, calibrates or otherwise determines the characteristics of the performance of materials and
35、 products Note 1 to entry: In the context of this part of EN ISO 1452, the materials and products can be subject to type testing, batch release testing, process verification testing, audit testing and witness testing, as applicable. Note 2 to entry: A testing laboratory is preferably compliant with
36、EN ISO/IEC 17025 4. 3.4 quality management system management system to direct and control an organization with regard to quality Note 1 to entry: Requirements for quality management systems are given in EN ISO 9001 1. 3.5 quality plan document setting out the specific quality practices, resources an
37、d sequence of activities relevant to a particular product or range of products 3.6 type test TT test performed to prove that the material, product, joint or assembly is capable of conforming to the requirements given in the relevant standard Note 1 to entry: The type test results remain valid until
38、there is a change in the material or product or assembly, provided that the process verification tests are done regularly. 3.7 batch release test BRT test performed by or on behalf of the manufacturer on a batch of formulation/compound or products, which has to be satisfactorily completed before the
39、 batch can be released 3.8 process verification test PVT test performed by or on behalf of the manufacturer on formulation/compound or products or joints or assemblies at specific intervals to confirm that type test originally performed on these formulation/compound or products or joints or assembli
40、es continue to be valid and that the process continues to be capable of producing products which conform to the requirements given in the relevant standard Note 1 to entry: Such tests are not required to release batches of formulation/compound or products and are carried out as a measure of process
41、control. 3.9 audit test AT test performed by a test laboratory on behalf of an inspection body or certification body to confirm that the formulation/compound, product, joint or assembly continues to conform to the requirements given in the relevant standard and to provide information to assess the e
42、ffectiveness of the quality management system PD CEN/TS 1452-7:2014CEN/TS 1452-7:2014 (E) 7 3.10 indirect test IT test performed by or on behalf of the manufacturer, different from that specified test for that particular characteristic, having previously verified its correlation with the specified t
43、est 3.11 witness test WT test accepted by an inspection or a certification body for type testing and/or audit testing, which is carried out by or on behalf of the manufacturer and supervised by a representative of the inspection or certification body, qualified in testing 3.12 material generic term
44、for compositions (compounds/formulations) grouped by families, expressed by generic names, e.g. polypropylene, stainless steel, brass or EPDM Note 1 to entry: Definition from European Commission, Directorate-General for Enterprise and Industry, Sub-group on Product Testing Procedures (EC, DG ENT and
45、 IND, SG PTP). 3.13 compound/formulation clearly defined homogenous mixture of base polymer with additives, e.g. anti-oxidants, pigments, stabilizers and others, at a dosage level necessary for the processing and the intended use of the final product Note 1 to entry: In water and food contact regula
46、tions, the term “composition” is often used instead of compound or formulation. 3.14 material batch clearly identified quantity of a given homogeneous compound/formulation manufactured under uniform conditions and defined and identified by the compound/formulation manufacturer 3.15 product pipe, fit
47、ting, or valve of a clearly identified type intended to be a part of a piping system which the manufacturer puts on the market 3.16 product batch clearly identified collection of products, manufactured consecutively or continuously under the same conditions, using the same compound/formulation confo
48、rming to the same specification Note 1 to entry: The production batch is defined and identified by the product manufacturer. 3.17 lot clearly identifiable sub-division of a batch for inspection purposes 3.18 sample one or more products drawn from the same production batch or lot, selected at random
49、without regard to their quality Note 1 to entry: The number of products in the sample is the sample size. PD CEN/TS 1452-7:2014CEN/TS 1452-7:2014 (E) 8 3.19 group collection of similar products from which samples are selected for testing purposes 3.20 component part of a product manufactured out of a specific composition (compound/formulation), brought to the market as part of another product or as a spare part Note 1 to entry: For drinking water application, components may be considered as products and be individually approved (e.g. o-r
