(a) water pumps designed specifically for pumping clean water at temperatures below – 10 °C or above 120 °C, except with regard to the information requirements of Annex II, points 2(11) to 2(13); (b) water pumps designed only for fire-fighting applications; (c) displacement water pumps; (d) self-priming water pumps.
Commission Regulation (EU) No 547/2012 of 25 June 2012 implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to ecodesign requirements for water pumps Text with EEA relevance
Modified by
- Commission Regulation (EU) 2016/2282of 30 November 2016amending Regulations (EC) No 1275/2008, (EC) No 107/2009, (EC) No 278/2009, (EC) No 640/2009, (EC) No 641/2009, (EC) No 642/2009, (EC) No 643/2009, (EU) No 1015/2010, (EU) No 1016/2010, (EU) No 327/2011, (EU) No 206/2012, (EU) No 547/2012, (EU) No 932/2012, (EU) No 617/2013, (EU) No 666/2013, (EU) No 813/2013, (EU) No 814/2013, (EU) No 66/2014, (EU) No 548/2014, (EU) No 1253/2014, (EU) 2015/1095, (EU) 2015/1185, (EU) 2015/1188, (EU) 2015/1189 and (EU) 2016/2281 with regard to the use of tolerances in verification procedures(Text with EEA relevance), 32016R2282, December 20, 2016
(1) " water pump " is the hydraulic part of a device that moves clean water by physical or mechanical action and is of one of the following designs:End suction own bearing (ESOB), End suction close coupled (ESCC), End suction close coupled inline (ESCCi), Vertical multistage (MS-V), Submersible multistage (MSS);
(2) " End suction water pump " means a glanded single stage end suction rotodynamic water pump designed for pressures up to 16 bar, with a specific speed ns between 6 and 80 rpm, a minimum rated flow of 6 m3 /h (1,667·10–3 m3 /s), a maximum shaft power of 150 kW, a maximum head of 90 m at nominal speed of1450 rpm and a maximum head of 140 m at nominal speed of2900 rpm;(3) " Rated flow " means the head and flow that the manufacturer will guarantee under normal operating conditions;(4) " Glanded " means sealed shaft connection between the impeller in the pump body and the motor. The driving motor component remains dry;(5) " End suction own bearing water pump " (ESOB) is an end suction water pump with own bearings;(6) " End suction close coupled water pump " (ESCC) is an end suction water pump of which the motor shaft is extended to become also the pump shaft;(7) " End suction close coupled inline water pump " (ESCCi) means a water pump of which the water inlet of the pump is on the same axis as the water outlet of the pump;(8) " Vertical multistage water pump " (MS-V) means a glanded multi stage (i > 1) rotodynamic water pump in which the impellers are assembled on a vertical rotating shaft, which is designed for pressures up to 25 bar, with a nominal speed of2900 rpm and a maximum flow of 100 m3 /h (27,78·10–3 m3 /s);(9) " Submersible multistage water pump " (MSS) means a multi stage (i > 1) rotodynamic water pump with a nominal outer diameter of 4″ (10,16 cm) or 6″ (15,24 cm) designed to be operated in a borehole at nominal speed of2900 rpm, at operating temperatures within a range of 0 °C and 90 °C;(10) " rotodynamic water pump " means a water pump that moves clean water by means of hydrodynamic forces;(11) " displacement water pump " means a water pump that moves clean water by enclosing a volume of clean water and forcing this volume to the outlet of the pump;(12) " self-priming water pump " means a water pump that moves clean water and which can start and/or operate also when only partly filled with water;(13) " clean water " means water with a maximum non-absorbent free solid content of 0,25 kg/m3 , and with a maximum dissolved solid content of 50 kg/m3 , provided that the total gas content of the water does not exceed the saturation volume. Any additives that are needed to avoid water freezing down to – 10 °C shall not be taken into account.
(1) from 1 January 2013 , water pumps shall have a minimum efficiency as defined in Annex II, point 1(a);(2) from 1 January 2015 , water pumps shall have a minimum efficiency as defined in Annex II, point 1(b);(3) from 1 January 2013 , the information on water pumps shall comply with the requirements set out in Annex II, point 2.
(1) " Impeller " means the rotating component of a rotodynamic pump which transfers energy to the water;(2) " Full impeller " means the impeller with the maximum diameter for which performance characteristics are given for a pump size in the catalogues of a water pump manufacturer;(3) " Specific speed " (ns ) means a dimensional value characterising the shape of the water pump impeller by head, flow and speed (n):[min –1 ]Where " Head " (H) means the increase in the hydraulic energy of water in meters [m], produced by the water pump at the specified point of operation," Rotational speed " (n) means the number of revolutions per minute [rpm] of the shaft," Flow " (Q) means the volume flow rate [m3 /s] of water through the water pump,"S tage " (i) means the number of series impellers in the water pump," Best efficiency point " (BEP) means the operating point of the water pump at which it is at the maximum hydraulic pump efficiency measured with clean cold water,
(4) " Hydraulic pump efficiency " (η) is the ratio between the mechanical power transferred to the liquid during its passage through the water pump and the mechanical input power transmitted to the pump at its shaft;(5) " Clean cold water " means clean water to be used for pump testing, with a maximum kinematic viscosity of 1,5 × 10–6 m2 /s, a maximum density of1050 kg/m3 and a maximum temperature of 40 °C;(6) " Part load " (PL) means the operating point of the water pump at 75 % of the flow at BEP;(7) " Over load " (OL) means the operating point of the water pump at 110 % of the flow at BEP;(8) " Minimum Efficiency Index " (MEI) means the dimensionless scale unit for hydraulic pump efficiency at BEP, PL and OL;(9) " C " means a constant for each specific water pump type quantifying the differences in efficiency for different pump types.
at the best efficiency point (BEP) of at least (η ΒΕΡ )min requ , when measured according to Annex III, and calculated with the C-value for MEI = 0,1, according to Annex III,a minimum efficiency at part load (PL) of at least (η ΡL )min requ when measured according to Annex III, and calculated with the C-value for MEI = 0,1, according to Annex III,a minimum efficiency at over load (OL) of at least (η ΟL )min requ when measured according to Annex III and calculated with the C-value for MEI = 0,1, according to Annex III.
a minimum efficiency at the best efficiency point (BEP) of at least (η ΒΕΡ )min requ when measured according to Annex III and calculated with the C-value for MEI = 0,4, according to Annex III,a minimum efficiency at part load (PL) of at least (η ΡL )min requ when measured according to Annex III and calculated with the C-value for MEI = 0,4, according to Annex III,a minimum efficiency at over load (OL) of at least (η ΟL )min requ when measured according to Annex III and calculated with the C-value for MEI = 0,4, according to Annex III.
(a) the technical documentation of water pumps; (b) free access websites of manufacturers of water pumps.
MEI = 0,10 | MEI = 0,40 | |
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C (ESOB, | ||
C (ESOB, | ||
C (ESCC, | ||
C (ESCC, | ||
C (ESCCi, | ||
C (ESCCi, | ||
C (MS-V, | ||
C (MSS, |
(1) The Member State authorities shall verify one single unit of the model. (2) The model shall be considered to comply with the applicable requirements if: (a) the values given in the technical documentation pursuant to point 2 of Annex IV to Directive 2009/125/EC (declared values), and, where applicable, the values used to calculate these values, are not more favourable for the manufacturer or importer than the results of the corresponding measurements carried out pursuant to paragraph (g) thereof; and (b) the declared values meet any requirements laid down in this Regulation, and any required product information published by the manufacturer or importer does not contain values that are more favourable for the manufacturer or importer than the declared values; and (c) when the Member State authorities test the unit of the model, the determined values (the values of the relevant parameters as measured in testing and the values calculated from these measurements) comply with the respective verification tolerances given in Table 2.
(3) If the results referred to in point 2(a) or (b) are not achieved, the model shall be considered not to comply with this Regulation. (4) If the result referred to in point 2(c) is not achieved, the Member State authorities shall select three additional units of the same model for testing. (5) The model shall be considered to comply with the applicable requirements if, for these three units, the arithmetical mean of the determined values complies with the respective verification tolerances given in Table 2. (6) If the result referred to in point 5 is not achieved, the model shall be considered not to comply with this Regulation. (7) The Member State authorities shall provide all relevant information to the authorities of the other Member States and to the Commission without delay after a decision being taken on the non-compliance of the model according to points 3 and 6.
Parameters | Verification tolerances |
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Efficiency at BEP (η | The determined value shall not be lower than the declared value by more than 5 %. |
Efficiency at PL (η | The determined value shall not be lower than the declared value by more than 5 %. |
Efficiency at OL (η | The determined value shall not be lower than the declared value by more than 5 %. |
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