EH Horizontal Multistage Pumps
EH Horizontal Multistage Pumps
The EH Series, multistage booster pump is designed to meet your pressure boosting needs. The stainless steel construction offers high performance in a wide variety of applications. The EH Series is offered in five flow rates and different horsepower sizes in 1-phase or 3-phase to make sure you have the right pump to fit your application.
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Applications
- Water Distribution / Pressure Boosting
- Circulation of hot and cold water for heating, cooling, conditioning systems
- Irrigation / Gardening / Sprinklers
- Wash down unit
- Domestic, industrial and agricultural systems
Features
- Reinforced with tie rods and corrosion resistance (EH 15-20)
- Materials WRAS and ACS certificated
- Flexible application base plate (only for EH and EH DTm)
- Floating neck ring in PPS
- Heavy duty oversize motor shaft
- Impellers and diffusers are made of stainless steel
- Easy maintenance
- Connections: Rp threaded for inlet and outlet (NPT optional)
- Mechanical seal Type E0 = Carbon graphite / Ceramic alumina / EPDM: EH 3-5-9, EH DTm 3-5-9
- Mechanical seal Type E1 = Carbon graphite / Silicon carbide / EPDM: EH 15-20
Pump Specifications
- Flow: up to 29 m³/h
- Head: up to 104 m
- Maximum working pressure 10 Bar
- Max. altitude at nominal load: 1000 m
- Maximum allowable amount of sand: 50 g/m³ (EH)
- Maximum ambient temperature: 40 °C
- The hydraulic characteristics are guaranteed, according to ISO standard 9906:2012, grade 3B
Motor Specifications
- Asynchronous, TEFC (Totally Enclosed, Fan-Cooled)
- 2 pole
- Protection degree: IPX5
- Insulation class: F
- Frequency of starts:
- Max. 60 starts/hour for motor power up to 3 kW (with min. 1 minute resting time)
- Max. 30 starts/hour for motor power from 4 kW (with min. 2 minute resting time)
- Single-Phase version
- High Efficiency single-phase motors according to EU Regulation 2019/1781
- Standard voltage 220-240 V ± 5%
- Thermal protection built into the motor
- Three-Phase version
- High Efficiency three-phase motors of 0.75 kW according to EU Regulation 2019/1781
- Efficiency class: IE3 (Premium Efficiency) according to IEC 60034-30-1:2014
- Electrical performance according to IEC 60034-2-1:2007
- Standard voltage:
- 220-240 / 380-415 V ± 5 % up to 3 kW
- 380-415 / 660-690 V ± 5 % from 4 kW
- Thermal protection to be provided into the starter panel by the installer
Related Products
Mechanical Seal Specifications
Model Type Position A
Stationary partB
Rotating partC
Other componentsD
ElastomersTemperature [°C] EH 3-5-9 / EH DTm 3-5-9 E0 V B G E Ceramic alumina Carbon graphite AISI 316 EPDM -15 / 110 EH 15-20 E1 B Q G E Carbon graphite Silicon Carbide AISI 316 EPDM -15 / 110 ON REQUEST E2 Q Q G E Silicon Carbide Silicon Carbide AISI 316 EPDM -15 / 110 V3* Q Q G V Silicon Carbide Silicon Carbide AISI 316 FKM -10 / 110 V8* Q U G V Silicon Carbide Tungsten Carbide AISI 316 FKM -10 / 110 - * on request version with stopper pin
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EH3 Hydraulic Performance at 50 Hz
Pump model Q = Delivery l/min 0 25 33,3 50 75 m³/h 0 1,5 2 3 4,5 US gpm 0 6,6 8,8 13,2 19,8 H = Total meters head of water column [m] EH 3/2 22,4 20 18,7 15,5 9,7 EH 3/3 33,2 29,3 27,4 22,5 13,8 EH 3/4 43,7 38,3 35,6 29,1 17,5 EH 3/5 54 46,8 43,4 35,2 20,7 EH 3/6 65,1 56,7 52,6 42,8 25,4 EH 3/7 75,3 65,1 60,2 48,7 28,4 EH 3/8 87,6 77 71,7 58,8 35,6 EH 3/9 98 85,8 79,8 65,2 39,1 EH5 Hydraulic Performance at 50 Hz
Pump model Q = Delivery l/min 0 33,3 50 75 100 116,7 m³/h 0 2 3 4,5 6 7 US gpm 0 8,8 13,2 19,8 26,4 30,8 H = Total meters head of water column [m] EH 5/2 23,5 21,7 20,5 18,3 15 11,8 EH 5/3 34,8 31,9 30 26,5 21,3 16,5 EH 5/4 46,2 42,4 39,9 35,2 28,4 21,9 EH 5/5 57,3 52,1 48,8 42,7 34 25,8 EH 5/6 69,5 64 60,3 53,4 43,2 33,6 EH 5/7 80,7 73,9 69,5 61,3 49,2 37,9 EH 5/8 93,9 87,1 82,6 73,8 60,6 47,9 EH 5/9 105,4 97,5 92,3 82,4 67,4 53 EH9 Hydraulic Performance at 50 Hz
Pump model Q = Delivery l/min 0 50 75 100 116,7 133,3 166,7 200 233,3 m³/h 0 3 4,5 6 7 8 10 12 14 US gpm 0 13,2 19,8 26,4 30,8 35,2 44 52,8 61,6 H = Total meters head of water column [m] EH 9/2 23,7 22 20,8 19,7 18,9 18,1 15,6 11,9 6,9 EH 9/3 35,3 32,7 30,8 29,1 27,9 26,6 22,8 17,2 9,7 EH 9/4 47,4 44,2 41,9 39,7 38,2 36,5 31,7 24,3 14,4 EH 9/5 60,1 56,6 54 51,4 49,7 47,8 42,1 33 20,7 EH 9/6 71,8 67,4 64,2 61 58,9 56,5 49,5 38,5 23,7 EH 9/7 84,3 79,4 75,8 72,2 69,9 67,1 59,2 46,5 29,3 EH 9/8 96 90,3 86,1 81,9 79,2 76 66,8 52,2 32,5 EH15 Hydraulic Performance at 50 Hz
Pump model Q = Delivery l/min 0 133,3 166,7 200 233,3 283,3 333,3 400 m³/h 0 8 10 12 14 17 20 24 US gpm 0 35,2 44 52,8 61,6 74,7 87,9 105,5 H = Total meters head of water column [m] EH 15/2 28,5 25 24 22,9 21,7 19,2 15,9 10,3 EH 15/3 43,3 38,3 36,9 35,3 33,5 29,9 25 16,5 EH 15/4 57,9 51,4 49,5 47,4 45 40,3 33,8 22,5 EH 15/5 72,6 64,5 62,2 59,6 56,7 50,8 42,7 28,6 EH 15/6 87,5 78,2 75,5 72,5 69 62,1 52,5 35,6 EH 15/7 101,9 90,8 87,5 84 79,8 71,7 60,5 40,7 EH20 Hydraulic Performance at 50 Hz
Pump model Q = Delivery l/min 0 166,7 200 233,3 283,3 333,3 400 466,7 m³/h 0 10 12 14 17 20 24 28 US gpm 0 44 52,8 61,6 74,7 87,9 105,5 123,1 H = Total meters head of water column [m] EH 20/2 31,2 27,9 27,2 26,5 25,3 23,1 18,5 12,7 EH 20/3 46,8 41,9 40,8 39,8 37,8 34,6 27,7 19 EH 20/4 62,5 56 54,6 53,2 50,6 46,3 37,2 25,6 EH 20/5 78,5 70,6 68,9 67,3 64,1 58,9 47,6 33,2 -
EH3 Hydraulic Performance at 60 Hz
Pump
modelQ = DELIVERY l/min 0 33 42 50 58 67 75 83 92 m³/h 0 2 2.5 3 3.5 4 4.5 5 5.5 US GMP 0 8.8 11.0 13.2 15.4 17.6 19.8 22.0 24.2 H = TOTAL M.HEAD OF WATER COLUMN [m] EH 3/2T6 32.0 28.0 26.0 24.5 22.5 20.5 18.0 15.5 13.0 EH 3/3T6 47.5 41.0 38.5 35.5 32.5 29.5 26.0 22.5 18.5 EH 3/4T6 63.5 55.0 51.5 48.0 44.0 39.5 35.0 30.0 25.0 EH 3/5T6 80.5 70.5 66.0 62.0 57.0 51.5 46.0 40.0 33.0 EH 3/6T6 96.0 83.5 78.5 73.0 67.0 61.0 54.0 47.0 38.5 EH 3/7T6 113.0 99.0 93.5 87.0 80.5 73.0 65.0 56.5 47.0 EH5 Hydraulic Performance at 60 Hz
Pump
modelQ = DELIVERY l/min 0 42 50 58 67 75 83 92 100 117 133 141.7 m³/h 0 2.5 3 3.5 4 4.5 5 5.5 6 7 8 8.5 US GMP 0 11.0 13.2 15.4 17.6 19.8 22.0 24.2 26.4 30.8 35.2 37.5 H = TOTAL M.HEAD OF WATER COLUMN [m] EH 5/2T6 34.0 31.0 30.0 29.5 28.5 27.5 27.0 25.5 24.5 21.5 18.0 16.0 EH 5/3T6 50.5 46.0 45.0 44.0 42.5 41.5 40.0 38.0 36.5 32.0 27.0 23.5 EH 5/4T6 68.0 62.5 61.0 59.5 58.0 56.5 54.5 52.5 50.0 44.5 37.5 33.0 EH 5/5T6 85.0 79.0 77.0 75.5 73.5 71.5 69.0 66.5 64.0 57.0 48.0 43.0 EH 5/6T6 102.0 94.0 91.5 89.5 87.5 85.0 82.0 79.0 75.0 67.0 56.5 50.0 EH 5/7T6 120.0 111.0 108.5 106.0 103.5 100.5 97.5 94.0 90.0 80.0 68.0 60.5 EH9 Hydraulic Performance at 60 Hz
Pump
modelQ = DELIVERY l/min 0 100 117 133 141.7 167 200 233 267 283.3 m³/h 0 6 7 8 8.5 10 12 14 16 17 US GMP 0 26.4 30.8 35.2 37.5 44.0 52.8 61.6 70.4 74.8 H = TOTAL M.HEAD OF WATER COLUMN [m] EH 9/2T6 35.0 31.0 30.0 29.5 29.0 27.5 24.5 20.5 15.0 11.5 EH 9/3T6 52.5 46.5 45.0 44.0 43.5 41.0 37.0 30.5 22.5 17.5 EH 9/4T6 70.0 62.0 61.0 59.0 58.5 55.5 50.0 41.5 30.5 24.0 EH 9/5T6 87.5 77.0 75.0 73.0 72.0 68.0 61.0 50.5 37.0 29.0 EH15 Hydraulic Performance at 60 Hz
Pump
modelQ = DELIVERY l/min 0 167 200 233 267 283.3 300 333.3 367 400 433.3 467 m³/h 0 10 12 14 16 17 18 20 22 24 26 28 US GMP 0 44.0 52.8 61.6 70.4 74.8 79.3 88 96.8 105.7 114.5 123.3 H = TOTAL M.HEAD OF WATER COLUMN [m] EH 15/2T6 42.0 37.5 36.0 35.0 33.5 33.0 32.0 30.0 27.0 24.0 20.5 16.5 EH 15/3T6 63.0 56.0 54.0 52.5 50.0 49.0 47.5 45.0 41.5 37.0 31.5 27.0 EH 15/4T6 84.5 77.0 75.0 73.0 70.0 68.5 67.0 63.0 58.5 53.0 47.0 40.0 EH20 Hydraulic Performance at 60 Hz
Pump
modelQ = DELIVERY l/min 0 200 233 267 283.3 300 333.3 367 400 433.3 467 500 m³/h 0 12 14 16 17 18 20 22 24 26 28 30 US GMP 0 52.8 61.6 70.4 74.8 79.3 88 96.8 105.7 114.5 123.3 132 H = TOTAL M.HEAD OF WATER COLUMN [m] EH 20/2T6 45.5 40.5 39.5 38.5 38.0 37.5 36.0 34.5 33.0 31.0 28.0 25.0 EH 20/3T6 68.0 60.5 59.0 57.5 56.5 56.0 54.0 51.5 49.0 46.0 41.5 37.0 -
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