1、July 2017 English price group 26No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 23.080!%h?p“2692877www.din.deDIN EN
2、 16480Pumps Minimum required efficiency of rotodynamic water pumps;English version EN 16480:2016,English translation of DIN EN 16480:2017-07Pumpen Geforderte Mindesteffizienz bei Kreiselpumpen fr Wasser;Englische Fassung EN 16480:2016,Englische bersetzung von DIN EN 16480:2017-07Pompes Rendement min
3、imum requis des pompes eau rotodynamiques;Version anglaise EN 16480:2016,Traduction anglaise de DIN EN 16480:2017-07www.beuth.deDTranslation by DIN-Sprachendienst.In case of doubt, the German-language original shall be considered authoritative.Document comprises 76 pages 07.17 2A comma is used as th
4、e decimal marker. National foreword This standard includes safety requirements. This standard includes requirements for the energy efficiency of so-called water pumps (without drive). This document (EN 16480:2017) has been prepared by Technical Committee CEN/TC 197 “Pumps” (Secretariat: DIN, Germany
5、). The responsible German body involved in its preparation was DIN-Normenausschuss Maschinenbau (DIN Standards Committee Mechanical Engineering), Working Committee NA 060-11-01 AA “Centrifugal pumps” of Section “Pumps”. Representatives of manufacturers and users of pumps, and of the employers liabil
6、ity insurance associations contributed to this standard. This standard contains specifications giving detail to the essential requirements set out in the Ecodesign Directive, Directive 2005/32/EC (and 2009/125/EC), and which apply to pumps that are either first placed on the market or commissioned w
7、ithin the EEA. This standard serves to facilitate proof of compliance with the essential requirements of the directive. The European Standards referred to in Clause 2 and in the Bibliography of the EN have been published as the corresponding DIN EN or DIN EN ISO Standards with the same number. Where
8、 the International Standards referred to are not also DIN ISO Standards with the same number, there are no national standards available. In addition to the legal units of measurement, this standard also uses the unit “bar”. It should be noted that the Gesetz ber Einheiten im Messwesen (German Law on
9、 units in metrology) prohibits the use of this unit for official and commercial purposes in Germany. DIN EN 16480:2017-07 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 16480 May 2016 ICS 23.080 English Version Pumps - Minimum required efficiency of rotodynamic water pumps Pompes - Rendement m
10、inimum requis des pompes eau rotodynamiques Pumpen - Geforderte Mindesteffizienz bei Kreiselpumpen fr Wasser This European Standard was approved by CEN on 4 March 2016. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European S
11、tandard 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-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (Eng
12、lish, 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-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium,
13、 Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerlan
14、d, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Memb
15、ers. Ref. No. EN 16480:2016 EEN 16480:2016 (E) 2 Contents Page European foreword . 4 Introduction 5 1 Scope 7 2 Normative references 8 3 Terms and definitions . 8 3.1 General 8 3.2 List of quantities with definitions . 8 3.3 Lists of basic letters and subscripts . 10 3.4 General definitions 12 4 Min
16、imum Required Efficiencies and Minimum Efficiency Index 14 4.1 The concept of “house of efficiency” 14 4.2 Mathematical representation of minimum required efficiency . 15 4.3 Minimum efficiency at part load and overload . 16 4.4 Minimum Efficiency Index 17 5 Determination of the Efficiency of a Test
17、 Pump 20 5.1 General . 20 5.2 Test Procedures 20 5.3 Test conditions 21 5.4 Measuring uncertainties 22 5.5 Evaluation of test data 24 6 Proving the Minimum Efficiency Index of a pump size . 29 6.1 General remarks . 29 6.2 Determination of the Minimum Efficiency Index of a pump size 30 7 Verification
18、 of the Minimum Efficiency Index for a pump size 31 7.1 General remarks . 31 7.2 Procedure and decision . 31 Annex A (normative) Pump types in scope 35 Annex B (informative) General remarks on the efficiency of rotodynamic pumps 37 Annex C (informative) Mean Values of a Size Relevant for its Minimum
19、 Efficiency Index . 39 Annex D (informative) Methods recommended for manufacturers to determine the mean values of hydraulic quantities of a size relevant for MEI . 44 D.1 General remarks . 44 D.2 Determination of the mean efficiency of a pump size from a test on one single test pump . 44 D.3 Determ
20、ination of the mean efficiency of a pump size from a sample of M test pumps. 46 Annex E (informative) Numerical example 49 Annex F (informative) Application of mathematical statistics on tests 54 F.1 Purposes of applying statistics in the frame of qualification and verification 54 F.2 Confidence int
21、erval . 55 DIN EN 16480:2017-07 EN 16480:2016 (E) 3 F.3 Law of error propagation . 57 F.4 Numerical example 57 Annex G (informative) Measurement uncertainties . 64 G.1 General remarks . 64 G.2 Determination of the overall measurement uncertainty of efficiency 66 Annex H (informative) Explanations co
22、ncerning the methodology of the verification procedure and the probability of the results . 68 Annex I (informative) Reporting of Test Results 71 I.1 Test Report Requirements 71 I.2 Pump test sheet . 71 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements
23、 of EU Directive 2009/125/EC, establishing a framework for the setting of ecodesign requirements of energy related products and implemented by the European Commission Regulation (EU) No. 547/2012 . 73 Bibliography . 74 DIN EN 16480:2017-07 EN 16480:2016 (E) 4 European foreword This document (EN 1648
24、0:2016) has been prepared by Technical Committee CEN/TC 197 “Pumps - Minimum required efficiency of rotodynamic water pumps”, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorseme
25、nt, at the latest by November 2016, and conflicting national standards shall be withdrawn at the latest by November 2016. 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 identif
26、ying any or all such patent rights. 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 EU Directive 2009/125/EC. For relationship with EU Directive 2009/125/EC, see informative Annex
27、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, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Fo
28、rmer Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. DIN EN 16480:2017-07 EN 16480:2016 (E)
29、5Introduction Purpose and content of the standard The water pumps within the scope of this European Standard are typically produced and sold by pump manufacturers as series of large to very large numbers. The performance characteristics of pumps of one size produced by a manufacturer show some scatt
30、er caused by manufacturing tolerances, but are described by mean values and curves which represent that size. The total consumption of electric energy by water pumps installed in applications within the scope of this European Standard depends on the total number of installed pumps of each size and o
31、n its mean efficiency. The quality of a size in respect to its mean efficiency is quantitatively described by the Minimum Efficiency Index (MEI) which is defined and used in this standard. To achieve a certain value of the Minimum Efficiency Index (MEI), a corresponding minimum value of the mean eff
32、iciency of a size is required. This European Standard defines for each pump type and size within the scope of the standard - the minimum required value of efficiency depending on the value of the Minimum Efficiency Index (MEI). Also, this standard prescribes how the value of the Minimum Efficiency I
33、ndex (MEI) of a pump size indicated by the manufacturer can be verified by an independent institution (e.g. in the frame of market surveillance). For the manufacturer of the pump size it is generally left free how to prove the indicated value of the Minimum Efficiency Index (MEI) of a size. Neverthe
34、less, this standard describes also a method to prove by the manufacturer that the mean values of efficiency meet the requirements for indicating a certain value of the Minimum Efficiency Index (MEI). Normally, the qualification of a pump size for a certain MEI value done by the manufacturer will be
35、based on tests and evaluations made on a sample of pumps of this size. It is essential that tests and evaluations carried out for the purpose of qualifying the corresponding size fulfil certain requirements: From the tests on the sample pumps, it becomes possible to predict for the corresponding siz
36、e the confidence intervals within which the true mean values of efficiencies which are relevant for the qualification are enclosed with a sufficiently high probability. Only in that way, the qualification of the size in respect to a required and/or indicated value of Minimum Efficiency Index (MEI) w
37、ill make sure that the aspired effect of energy saving will be reached. If a pump size has been qualified according to the criteria described in this European Standard, every test on one or more test pump(s) of the same size (with a full impeller diameter) which is carried out in the frame of a veri
38、fication procedure shall result with a very high probability in a confirmation of the qualification. Caused by technical alignment procedures of the single pump components, e.g. bearings or shaft seals, the performance of the pump is gained after a certain running-in time. Ways to prove and to verif
39、y the Minimum Efficiency Index (MEI) of a pump size This European Standard describes different ways how manufacturers can achieve the qualification of a pump size for a certain value of the Minimum Efficiency Index (MEI) and how this qualification can be verified by an independent institution. For t
40、he manufacturer, it is generally left free to choose and apply appropriate methods to prove that the mean efficiency values of a size are at least equal to or higher than particular threshold values of efficiency. These particular threshold values of efficiency are related to the value of the Minimu
41、m Efficiency Index (MEI) to be indicated for the size. The way to determine these values of efficiency is described in this standard. If the way chosen by the manufacturer to prove the MEI value of a size deviates from the way mentioned in the next paragraph, the manufacturer has to document all tes
42、ts, evaluations and/or calculations which are carried out and the methods which are applied to prove the justification of the indicated MEI value. DIN EN 16480:2017-07 EN 16480:2016 (E) 6 If the manufacturer decides to determine the mean performance values of the size by one of the methods described
43、 in Annex D of this standard, he has to carry out tests according to the requirements given in Annex C of this standard and evaluations as described in Annex C of this standard and to prove as described in Clause 7 of this standard that the criteria for the achievement of a certain value of the Mini
44、mum Efficiency Index (MEI) of the size are fulfilled. The test conditions, the results of test evaluation and the fulfilment of the criteria are documented and stored. The time period to keep documentation available for the authorities to prove conformity is fixed by the legal text. The independent
45、institution carries out tests on pumps of the size in question according to the requirements given in 5.2 to 5.4 of this standard as well as evaluations as described in 5.5 of this standard and applies the methodology and procedure described in Clause 4 of this standard. For an independent instituti
46、on, two ways are possible and specified by this standard to verify the value of Minimum Efficiency Index (MEI) indicated by the manufacturer: a) If the documentation of the qualification is presented by the manufacturer to the independent institution on request, the procedure of verification execute
47、d by the independent institution is based on the documentation of tests and evaluations done and documented by the manufacturer. In this case, the documentation will be checked by the independent institution in respect to being in accordance with requirements and criteria given in this standard. b)
48、If no documentation is presented by the manufacturer on request or if the documentation presented by the manufacturer on request is not accepted as proof of the indicated value of MEI, the independent institution carries out tests on pumps of the size in question according to the requirements given
49、in Annex C of this standard as well as evaluations as described in 5.5 of this standard and applies the methodology and procedure described in Clause 4 of this standard. Relevance of Sections of this standard for manufacturers or independent institutions Clause 4 describes nominal values of minimum required efficiency for a certain value of the Minimum Efficiency Index (MEI) and is generally relevant when applying this standard. Clause 5 specifies test procedures, test conditions a
