pump minimum efficiency index

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  • Minimum Efficiency Index - Apex Pumps

    2020-12-23 · Minimum Efficiency Index REGULATION (EU) No 547/2012 MEI only applies to water pumps with full size impellers, water pumps supplied with trimmed impellers are not applicable to the standard. The benchmark for most efficient water pumps is MEI ≥ 0,70. The efficiency of a pump with a trimmed impeller is usually lower than that of a pump with

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  • Minimum Efficiency Index: testing its performance - World ...

    2015-12-31 · The Minimum Efficiency Index (MEI) is an efficiency indicator specially introduced and defined for pumps. Besides the efficiency at the best efficiency point (BEP), two additional efficiency values...

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  • The Concept of the Minimum Efficiency Index (MEI) for Pumps

    2017-4-1 · The minimum efficiency required for a pump to be marketable in Europe was defined by specifying a threshold value of a new parameter: the Minimum Efficiency Index (MEI).

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  • Minimum Efficiency Index: testing its performance ...

    2017-7-31 · minimum efficiency index Minimum efficiency index (mei) means the dimensionless scale unit for hydraulic pump efficiency at best efficiency point (bep), part load (pl) and overload (ol). The Commission Regulation (eu) sets efficiency requirements to mei ≥ 0.40 as from 1 January 2015. The benchmark for water pump efficiency is mei ≥0.70 and

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  • (PDF) Minimum Efficiency Index: testing its performance

    2019-5-9 · Pump Energy Index (PEI) To establish baseline pump efficiency requirements, over more than 20 manufacturers submitted data on the five pump types, which resulted in more than 3,000 unique pumps. The pump data submitted was flow, head, power and efficiency. The DOE used this information to determine the baseline standards and life cycle cost ...

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  • minimum efficiency index - Armstrong Fluid Technology

    Minimum Efficiency Index (MEI) Standard: The purpose of the MEI is to develop a methodology for reducing the energy consumption of pumping systems. The MEI concept takes into account the factors of pump type, size (flow rate @ BEP), head, and specific speed to predict the efficiency …

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  • Minimum Efficiency Index (MEI) Committee PURPOSE: SCOPE

    2015-9-26 · Minimum Efficiency Index (MEI) for pump wet-ends only, define the data required to develop and the procedure to calculate the MEI, and outline the requirements for evaluating the MEI. This standard will include definitions, development, testing verification and labeling of the pump. Pumps meeting the MEI would ultimately be

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  • Demystifying the MEI pump efficiency index

    2013-5-13 · The Minimum Efficiency Index (MEI) identifies a minimum efficiency cut-off for those pumps performing under the new hydraulic efficiency levels. The first cut-off point got reinforced on 1 January 2013, while the second one, more stringent yet, will come into force on the same date in …

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  • 2020 Pump Efficiency, DOE Requirements | Pumps & Systems

    2019-5-9 · Pump Energy Index (PEI) To establish baseline pump efficiency requirements, over more than 20 manufacturers submitted data on the five pump types, which resulted in more than 3,000 unique pumps. The pump data submitted was flow, head, power and efficiency. The DOE used this information to determine the baseline standards and life cycle cost ...

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  • DOE Pump Efficiency Rulemaking

    2021-2-20 · Minimum Efficiency Index (MEI) Standard: The purpose of the MEI is to develop a methodology for reducing the energy consumption of pumping systems. The MEI concept takes into account the factors of pump type, size (flow rate @ BEP), head, and specific speed to predict the efficiency cut-off level.

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  • SIHI Water Pumps Meet the Minimum Efficiency Index (MEI ...

    2013-1-16 · The measure for the quality of a pump size in respect to efficiency is the Minimum Efficiency Index (MEI). From the 1st of January 2013 all water pumps need to fulfil the value of MEI >= 0.1 and form the 1st of January 2015 the value of MEI >= 0.4. Any water pump not meeting these requirements cannot be used.

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  • Ecodesign Minimum Efficiency Requirements Water Pumps

    2019-12-4 · In order to enforce this there will be a Minimum Efficiency Index (M.E.I.) criteria set for the above list of pumps. The MEI is a dimensionless figure that is derived from a complex calculation based on the efficiencies at BEP (Best Efficiency Point), 75% BEP & 110% BEP, and the specific speed. The range is used so that manufacturers

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  • Assessing the Energy Efficiency of Pumps and Pump Units

    2015-9-14 · 7. The Concept of the Minimum Efficiency Index (MEI) for Pumps . 8. The Concept of the Energy Efficiency Index (EEI) for Circulators and Pump Units . References . Europump, the European Association of Pump Manufacturers, was established in 1960. It

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  • Assessing the Energy Efficiency of Pumps and Pump Units ...

    The Minimum Efficiency Index (MEI) is an efficiency indicator specially introduced and defined for pumps. Besides the efficiency at the best efficiency point (BEP), two additional efficiency values at specified part-load and overload points are incorporated. ... Assessing the Energy Efficiency of Pumps and Pump Units, developed in cooperation ...

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  • GRUNDFOS DATA BOOKLET - bore pumps

    2015-1-11 · MEI index Minimum Efficiency Index (MEI) is the dimensionless scale unit for hydraulic pump efficiency at best efficiency point, part load and overload. EU regulations set efficiency requirements to MEI ≥ 0.1 as from 1 January 2013 and MEI ≥ 0.4 as from 1 January 2015. An indicative benchmark for the

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  • How the concepts of “House of Efficiency” and “Extended ...

    2013-3-8 · Minimum required pump efficiency Values of minimum required pump efficiency were elaborated by a study at TU Darmstadt are based on statistical evaluations of data of nearly 2.400 „state of the art“ pumps of European manufacturers, collected by questionnaires and on general fluiddynamic laws and technological aspects

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  • 2020 Pump Efficiency, DOE Requirements | Pumps & Systems

    2019-5-9 · Pump Energy Index (PEI) To establish baseline pump efficiency requirements, over more than 20 manufacturers submitted data on the five pump types, which resulted in more than 3,000 unique pumps. The pump data submitted was flow, head, power and efficiency. The DOE used this information to determine the baseline standards and life cycle cost ...

    Get Price
  • minimum efficiency index - Armstrong Fluid Technology

    2017-7-31 · minimum efficiency index Minimum efficiency index (mei) means the dimensionless scale unit for hydraulic pump efficiency at best efficiency point (bep), part load (pl) and overload (ol). The Commission Regulation (eu) sets efficiency requirements to mei ≥ 0.40 as from 1 January 2015. The benchmark for water pump efficiency is mei ≥0.70 and

    Get Price
  • water pumps BSI Standards Publication efficiency of ...

    2019-12-18 · 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 Index (MEI) of a pump size indicated by the manufacturer can be verified by an independent institution (e.g. in the frame of market surveillance).

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  • Ecodesign Minimum Efficiency Requirements Water Pumps

    2019-12-4 · In order to enforce this there will be a Minimum Efficiency Index (M.E.I.) criteria set for the above list of pumps. The MEI is a dimensionless figure that is derived from a complex calculation based on the efficiencies at BEP (Best Efficiency Point), 75% BEP & 110% BEP, and the specific speed. The range is used so that manufacturers

    Get Price
  • Data Book 3D SERIES 50 M - EBARA Pumps Europe S.p.A.

    2021-3-18 · The minimum efficiency index (MEI) is a measure of the quality of a pump size in respect to its mean efficiency. The minimum efficiency index is based on the hydraulic efficiency and on the head at the best efficiency point. The efficiency of a pump with trimmed impeller is usually lower than that of a pump with the full impeller diameter.

    Get Price
  • CR, CRI, CRN - Grundfos

    Minimum efficiency index (MEI) means the dimensionless scale unit for hydraulic pump efficiency at best efficiency point (BEP), part load (PL) and overload (OL). The Commission Regulation (EU) sets efficiency requirements to MEI ≥ 0.10 as from 1 January 2013 and MEI ≥ 0.40 as from 1 January 2015. An indicative benchmark for best-performing ...

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  • ESBE | ENERGY EFFICIENCY INDEX (EEI)

    2020-6-4 · ENERGY EFFICIENCY INDEX (EEI) EEI specifies how much the power of a pump is below one predefined reference power source. In building design, energy efficiency has come to the forefront. Products that can deliver the desired effect with lower electrical energy will save money and reduce emissions. In accordance with the ErP directives ...

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  • How the concepts of “House of Efficiency” and “Extended ...

    2013-3-8 · Minimum required pump efficiency Values of minimum required pump efficiency were elaborated by a study at TU Darmstadt are based on statistical evaluations of data of nearly 2.400 „state of the art“ pumps of European manufacturers, collected by questionnaires and on general fluiddynamic laws and technological aspects

    Get Price
  • Grundfos CRT04 pumps - Lenntech

    Minimum efficiency index (MEI) means the dimensionless scale unit for hydraulic pump efficiency at best efficiency point (BEP), part load (PL) and overload (OL). The Commission Regulation (EU) sets efficiency requirements to MEI > 0.1 as from 1 January 2013 and MEI > 0.4 as from 1 January 2015.

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  • EUR-Lex - 32012R0547 - EN - EUR-Lex

    The minimum efficiency index (MEI) is based on the full impeller diameter.’; (9) Standard text: ‘The operation of this water pump with variable duty points may be more efficient and economic when controlled, for example, by the use of a variable speed drive that matches the pump …

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  • minimum efficiency index - Armstrong Fluid Technology

    2017-7-31 · minimum efficiency index Minimum efficiency index (mei) means the dimensionless scale unit for hydraulic pump efficiency at best efficiency point (bep), part load (pl) and overload (ol). The Commission Regulation (eu) sets efficiency requirements to mei ≥ 0.40 as from 1 January 2015. The benchmark for water pump efficiency is mei ≥0.70 and

    Get Price
  • SP A, SP - Water Bore Pump submersible water pumps

    2020-8-22 · efficiency index (MEI). Minimum efficiency index Minimum efficiency index (MEI) means the dimensionless scale unit for hydraulic pump efficiency at best efficiency point (BEP), part load (PL) and overload (OL). The Commission Regulation (EU) sets efficiency requirements to MEI ≥ 0.10 as from 1 January 2013 and MEI ≥ 0.40 as from 1 January 2015.

    Get Price
  • ESBE | ENERGY EFFICIENCY INDEX (EEI)

    2020-6-4 · ENERGY EFFICIENCY INDEX (EEI) EEI specifies how much the power of a pump is below one predefined reference power source. In building design, energy efficiency has come to the forefront. Products that can deliver the desired effect with lower electrical energy will save money and reduce emissions. In accordance with the ErP directives ...

    Get Price
  • Data Book 50Hz - EBARA Pumps Europe S.p.A.

    2021-3-12 · The minimum efficiency index (MEI) is a measure of the quality of a pump size in respect to its mean . efficiency. The minimum efficiency index is based on the hydraulic efficiency and on the head at the best efficiency point. The efficiency of a pump with trimmed impeller is usually lower than that of a pump with the full impeller . diameter.

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  • Incorporate Minimum Efficiency Requirements for Heating ...

    2021-5-17 · The table below includes minimum efficiency requirements for the following ENERGY STAR-qualified covered product categories: air-source heat pumps (residential) and geothermal heat pumps (residential). These ASHRAE 90.1-2016 Table 6.8.1-1 and Table 6.8.1-2 equipment types are excluded: through-the-wall, air cooled; small-duct high velocity, air cooled; air …

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  • Prepare for DOE Pump Efficiency Regulations

    2015-9-26 · To reduce the burden on pump manufacturers while addressing pump efficiency, HI recommended that the DOE adopt a Minimum Efficiency Index (MEI) that is central to the European Union (EU) 547/2012 Standard. Pump Type European MEI=0.1 “C” Value North American Database Failure Rate MEI=0.1 MEI=0.4 “C” Value American Database Failure Rate ...

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  • Pump System Calculator | Australian Building Codes Board

    The simple method can be chosen if the minimum efficiency index is known. If not, additional information about the pump’s characteristics will be needed. In this example, the minimum efficiency index is not known, so the alternate method is selected. Based on this choice, enter the water flow rate, system head and the efficiency.

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  • Pump Efficiency—What Is Efficiency?

    2012-1-20 · Editor's Note: This is the first in a six-part series on centrifugal pump efficiency. For other articles in this series, click Centrifugal Pump Efficiency series.. In this multi-part series, we will investigate several aspects of centrifugal pump efficiency.First, I will define efficiency and give some examples.

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  • Efficiency requirements for residential central AC and ...

    2019-7-30 · The National Appliance Energy Conservation Act of 1987 established the first minimum efficiency requirements for central air-conditioning and heat pump equipment sold in the United States. These standards went into effect in 1992, and later updates went into effect in …

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  • Successful project management (Part 2) - Pump Industry ...

    The product approach – The House of Efficiency. Originating from a preparatory study for the Energy Using Products (EuP) Directive (2005/32/EC), the ‘House of Efficiency’ is a pass or fail scheme that takes into account design and application requirements as well as pump minimum efficiency, dependent on flow capacity and other design ...

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  • minimum efficiency index - Armstrong Fluid Technology

    2017-7-31 · minimum efficiency index Minimum efficiency index (mei) means the dimensionless scale unit for hydraulic pump efficiency at best efficiency point (bep), part load (pl) and overload (ol). The Commission Regulation (eu) sets efficiency requirements to mei ≥ 0.40 as from 1 January 2015. The benchmark for water pump efficiency is mei ≥0.70 and

    Get Price
  • SIHI water pumps met already the Minimum Efficiency Index ...

    2012-12-18 · The measure for the quality of a pump size in respect to efficiency is the Minimum Efficiency Index (MEI). From the 1st of January 2013 all water pumps need to fulfil the value of MEI >= 0.1 and form the 1st of January 2015 the value of MEI >= 0.4. Any water pump not meeting these requirements cannot be used.

    Get Price
  • BS EN 16480 : 2016 PUMPS - MINIMUM REQUIRED

    2016-1-1 · 4 Minimum Required Efficiencies and Minimum Efficiency Index 5 Determination of the Efficiency of a Test Pump 6 Proving the Minimum Efficiency Index of a pump size 7 Verification of the Minimum Efficiency Index for a pump size Annex A (normative) - Pump types in scope Annex B (informative) - General remarks on the efficiency ...

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  • SS-EN 16480:2016 - Pumps - Minimum required efficiency

    SS-EN 16480:2016 Pumps - Minimum required efficiency of rotodynamic water pumps (Swedish Standard) This European Standard specifies performance requirements (methods and procedures for testing and calculating) for determining the Minimum Efficiency Index (MEI) of rotodynamic glanded water pumps for pumping clean water, including where integrated in other products.

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  • CR, CRN, CRNE high pressure

    • The efficiency of a pump with a trimmed impeller is usually lower than that of a pump with the full impeller diameter. The trimming of the impeller will adapt the pump to a fixed duty point, leading to reduced energy consumption. The minimum efficiency index (MEI) is based on the full impeller diameter. • The operation of this water pump ...

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  • PEER-REVIEWED TECHNICAL PAPERS Section J Case Study

    2020-8-17 · conducted to determine the design pump head and flow. The calculations yield a pump design operation point of 200kPa and 35L/s flow. The selected pump is an end suction own-bearing two-pole pump and with the minimum efficiency index (MEI) by the manufacturer listed as 0.70 (see Figure 2). The manufacturer’s website specifies that the

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  • Pump System Calculator | Australian Building Codes Board

    The simple method can be chosen if the minimum efficiency index is known. If not, additional information about the pump’s characteristics will be needed. In this example, the minimum efficiency index is not known, so the alternate method is selected. Based on this choice, enter the water flow rate, system head and the efficiency.

    Get Price
  • VM Series - Xylem Inc.

    2020-1-7 · Max η ( % ) of pump 39 47 56 62 Minimum efficiency index MEI ( ≥ ) 0,7 0,7 0,7 0,7 Standard temperature ( °C ) 1-10vmp_2p50-en_a_tg-30 +90 VM..P SERIES 1 3 5 10 VERSIONI 1-10VM 135 1 0 ... 0,75 to 375 kW have IE3 as minimum level of efficiency or IE2 fitted with variable speed drive. IE2 motor can be

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  • Efficiency requirements for residential central AC and ...

    2019-7-30 · The National Appliance Energy Conservation Act of 1987 established the first minimum efficiency requirements for central air-conditioning and heat pump equipment sold in the United States. These standards went into effect in 1992, and later updates went into effect in …

    Get Price
  • What is an ErP Pump Crawley Gatwick

    2019-10-20 · From 1st January, all electric motors from 7.5-375 kW must either meet the IE3 premium efficiency standard or the IE2 higher efficiency standard equipped with a variable frequency drive (VFD). From 1st January, all water pumps in the scope of this regulation must have a Minimum Efficiency Index (MEI) ≥0.40.

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