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Surface Pumps
Multistage Pumps
—  FPS MH Series
—  FPS MHsp Series
—  FPS VR Series
MH series surface pump

FPS MH Series

The MH 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 MH Series is available 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.

Applications

  • Water Distribution / Pressure Boosting
  • Circulation of hot and cold water for heating, cooling, conditioning systems
  • Irrigation, Gardening, Sprinklers
  • Water treatment plants
  • Wash down unit
  • Domestic, industrial and agricultural systems

Features

  • Reinforced with tie rods and corrosion resistance (15-20 MH)
  • Materials WRAS and ACS certificated
  • Flexible application base plate (only for MH)
  • 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: MH 3-5-9
  • Mechanical seal Type E1 = Carbon graphite / Silicon carbide / EPDM: MH 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 (MH)
  • 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

Available on request

  • Special mechanical seal
  • Discharge inlet/outlet NPT

Mechanical seal specification

Model Type Position
A Stationary part B Rotating part C Other components D Elastomers Temperature [°C]
3-5-9 MH
E0 V B G E Ceramic alumina Carbon graphite AISI 316 EPDM -15 / 110
15-20 MH
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

3 MH – Table of Hydraulic Performance at 50 Hz

Model No.stages Q = DELIVERY
l/min 0 25 33 42 50 58 67 75
m³/h 0 1.5 2 2.5 3 3.5 4 4.5
US GMP 0 6.6 8.8 11.0 13.2 15.4 17.6 19.8
H = TOTAL HEAD OF WATER COLUMN [m]
3 MH 2 22.8 21 19.8 18.3 16.6 14.5 12.6 10.2
3 33.8 30.9 29 26.7 24.1 21.1 18.1 14.6
4 44.6 40.4 37.8 34.7 31.1 27.1 23.2 18.5
5 55.1 49.4 46.1 42.2 37.7 32.7 27.7 21.9
6 66.4 59.8 55.9 51.2 45.9 39.9 33.9 26.9
7 76.9 68.8 64.1 58.5 52.2 45.2 38.3 30
8 89.2 81.1 76.1 69.9 62.9 54.9 47 37.6
9 99.9 90.5 84.7 77.8 69.8 60.8 51.9 41.3

5 MH – Table of Hydraulic Performance at 50 Hz

Model No.stages Q = DELIVERY
l/min 0 33 42 50 58 67 75 83 92 100 117
m³/h 0 2 2.5 3 3.5 4 4.5 5 5.5 6 7
US GMP 0 8.8 11.0 13.2 15.4 17.6 19.8 22.01 24.2 26.4 30.8
H = TOTAL HEAD OF WATER COLUMN [m]
5 MH 2 23.5 21.7 21.1 20.5 19.9 19.2 18.3 17.4 16.2 15 11.8
3 34.8 31.9 30.9 30 28.9 27.8 26.5 24.9 23.2 21.3 16.5
4 46.2 42.4 41.1 39.9 38.5 37 35.2 33.2 30.9 28.4 21.9
5 57.3 52.1 50.4 48.8 47 45 42.7 40.1 37.2 34 25.8
6 69.5 64 62 60.3 58.3 56 53.4 50.4 47 43.2 33.6
7 80.7 73.9 71.6 69.5 67.1 64.3 61.3 57.7 53.7 49.2 37.9
8 93.9 87.1 84.8 82.6 80.1 77.1 73.8 70 65.5 60.6 47.9
9 105.4 97.5 94.9 92.3 89.5 86.1 82.4 78 72.9 67.4 53

9 MH – Table of Hydraulic Performance at 50 Hz

Model No.stages Q = DELIVERY
l/min 0 50 58 67 75 83 92 100 117 133 150 167 183 233
m³/h 0 3 3.5 4 4.5 5 5.5 6 7 8 9 10 11 14
US GMP 0 13.2 15.4 17.6 19.8 22.01 24.2 26.4 30.8 35.2 39.6 44.02 48.4 61.6
H = TOTAL HEAD OF WATER COLUMN [m]
9 MH 2 23.7 22 21.7 21.3 20.8 20.4 20 19.7 18.9 18.1 17 15.6 13.8 6.9
3 35.3 32.7 32.2 31.5 30.8 30.2 29.6 29.1 27.9 26.6 25 22.8 20.1 9.7
4 47.4 44.2 43.6 42.8 41.9 41 40.3 39.7 38.2 36.5 34.5 31.7 28.1 14.4
5 60.1 56.6 55.9 55.1 54 53 52.2 51.4 49.7 47.8 45.4 42.1 37.7 20.7
6 71.8 67.4 66.6 65.5 64.2 63 62 61 58.9 56.5 53.6 49.5 44.3 23.7
7 84.3 79.4 78.5 77.3 75.8 74.4 73.3 72.2 69.9 67.1 63.8 59.2 53.1 29.3
8 96 90.3 89.2 87.8 86.1 84.5 83.1 81.9 79.2 76 72.2 66.8 59.8 32.5

15 MH – Table of Hydraulic Performance at 50 Hz

Model No.stages Q = DELIVERY
l/min 0 133 150 167 183 233 267 300 333 367 417
m³/h 0 8 9 10 11 14 16 18 20 22 25
US GMP 0 35.2 39.6 44.02 48.4 61.6 70.4 79.2 88.05 96.8 110.07
H = TOTAL HEAD OF WATER COLUMN [m]
15 MH 2 28.5 25 24.5 24 23.5 21.7 20.1 18.2 15.9 13.2 8.8
3 43.3 38.3 37.6 36.9 36.1 33.5 31.2 28.4 25 21 14.3
4 57.9 51.4 50.4 49.5 48.5 45 42 38.3 33.8 28.4 19.5
5 72.6 64.5 63.4 62.2 61 56.7 53 48.4 42.7 36.1 24.8
6 87.5 78.2 76.9 75.5 74.1 69 64.7 59.2 52.5 44.6 31
7 101.9 90.8 89.2 87.5 85.8 79.8 74.7 68.3 60.5 51.2 35.4

20 MH – Table of Hydraulic Performance at 50 Hz

Model No.stages Q = DELIVERY
l/min 0 133 150 167 183 233 267 300 333 367 417 467 483
m³/h 0 8 9 10 11 14 16 18 20 22 25 28 29
US GMP 0 35.2 39.6 44.02 48.4 61.6 70.4 79.2 88.05 96.8 110.07 123.2 127.6
H = TOTAL HEAD OF WATER COLUMN [m]
20 MH 2 31.2 28.8 28.4 27.9 27.5 26.5 25.6 24.6 23.1 21 17.2 12.7 11.1
3 46.8 43.2 42.5 41.9 41.3 39.8 38.4 36.9 34.6 31.5 25.7 19 16.6
4 62.5 57.8 56.8 56 55.2 53.2 51.3 49.4 46.3 42.2 34.5 25.6 22.4
5 78.5 72.8 71.7 70.6 69.7 67.3 64.9 62.6 58.9 53.9 44.3 33.2 29.2

3 MH – Table of Hydraulic Performance at 50 Hz

Model No.stages Q = DELIVERY
l/min 0 25 33 42 50 58 67 75
m³/h 0 1.5 2 2.5 3 3.5 4 4.5
US GMP 0 6.6 8.8 11.0 13.2 15.4 17.6 19.8
H = TOTAL HEAD OF WATER COLUMN [m]
3 MH 2 22.8 21 19.8 18.3 16.6 14.5 12.6 10.2
3 33.8 30.9 29 26.7 24.1 21.1 18.1 14.6
4 44.6 40.4 37.8 34.7 31.1 27.1 23.2 18.5
5 55.1 49.4 46.1 42.2 37.7 32.7 27.7 21.9
6 66.4 59.8 55.9 51.2 45.9 39.9 33.9 26.9
7 76.9 68.8 64.1 58.5 52.2 45.2 38.3 30
8 89.2 81.1 76.1 69.9 62.9 54.9 47 37.6
9 99.9 90.5 84.7 77.8 69.8 60.8 51.9 41.3

5 MH – Table of Hydraulic Performance at 50 Hz

Model No.stages Q = DELIVERY
l/min 0 33 42 50 58 67 75 83 92 100 117
m³/h 0 2 2.5 3 3.5 4 4.5 5 5.5 6 7
US GMP 0 8.8 11.0 13.2 15.4 17.6 19.8 22.01 24.2 26.4 30.8
H = TOTAL HEAD OF WATER COLUMN [m]
5 MH 2 23.5 21.7 21.1 20.5 19.9 19.2 18.3 17.4 16.2 15 11.8
3 34.8 31.9 30.9 30 28.9 27.8 26.5 24.9 23.2 21.3 16.5
4 46.2 42.4 41.1 39.9 38.5 37 35.2 33.2 30.9 28.4 21.9
5 57.3 52.1 50.4 48.8 47 45 42.7 40.1 37.2 34 25.8
6 69.5 64 62 60.3 58.3 56 53.4 50.4 47 43.2 33.6
7 80.7 73.9 71.6 69.5 67.1 64.3 61.3 57.7 53.7 49.2 37.9
8 93.9 87.1 84.8 82.6 80.1 77.1 73.8 70 65.5 60.6 47.9
9 105.4 97.5 94.9 92.3 89.5 86.1 82.4 78 72.9 67.4 53

9 MH – Table of Hydraulic Performance at 50 Hz

Model No.stages Q = DELIVERY
l/min 0 50 58 67 75 83 92 100 117 133 150 167 183 233
m³/h 0 3 3.5 4 4.5 5 5.5 6 7 8 9 10 11 14
US GMP 0 13.2 15.4 17.6 19.8 22.01 24.2 26.4 30.8 35.2 39.6 44.02 48.4 61.6
H = TOTAL HEAD OF WATER COLUMN [m]
9 MH 2 23.7 22 21.7 21.3 20.8 20.4 20 19.7 18.9 18.1 17 15.6 13.8 6.9
3 35.3 32.7 32.2 31.5 30.8 30.2 29.6 29.1 27.9 26.6 25 22.8 20.1 9.7
4 47.4 44.2 43.6 42.8 41.9 41 40.3 39.7 38.2 36.5 34.5 31.7 28.1 14.4
5 60.1 56.6 55.9 55.1 54 53 52.2 51.4 49.7 47.8 45.4 42.1 37.7 20.7
6 71.8 67.4 66.6 65.5 64.2 63 62 61 58.9 56.5 53.6 49.5 44.3 23.7
7 84.3 79.4 78.5 77.3 75.8 74.4 73.3 72.2 69.9 67.1 63.8 59.2 53.1 29.3
8 96 90.3 89.2 87.8 86.1 84.5 83.1 81.9 79.2 76 72.2 66.8 59.8 32.5

15 MH – Table of Hydraulic Performance at 50 Hz

Model No.stages Q = DELIVERY
l/min 0 133 150 167 183 233 267 300 333 367 417
m³/h 0 8 9 10 11 14 16 18 20 22 25
US GMP 0 35.2 39.6 44.02 48.4 61.6 70.4 79.2 88.05 96.8 110.07
H = TOTAL HEAD OF WATER COLUMN [m]
15 MH 2 28.5 25 24.5 24 23.5 21.7 20.1 18.2 15.9 13.2 8.8
3 43.3 38.3 37.6 36.9 36.1 33.5 31.2 28.4 25 21 14.3
4 57.9 51.4 50.4 49.5 48.5 45 42 38.3 33.8 28.4 19.5
5 72.6 64.5 63.4 62.2 61 56.7 53 48.4 42.7 36.1 24.8
6 87.5 78.2 76.9 75.5 74.1 69 64.7 59.2 52.5 44.6 31
7 101.9 90.8 89.2 87.5 85.8 79.8 74.7 68.3 60.5 51.2 35.4

20 MH – Table of Hydraulic Performance at 50 Hz

Model No.stages Q = DELIVERY
l/min 0 133 150 167 183 233 267 300 333 367 417 467 483
m³/h 0 8 9 10 11 14 16 18 20 22 25 28 29
US GMP 0 35.2 39.6 44.02 48.4 61.6 70.4 79.2 88.05 96.8 110.07 123.2 127.6
H = TOTAL HEAD OF WATER COLUMN [m]
20 MH 2 31.2 28.8 28.4 27.9 27.5 26.5 25.6 24.6 23.1 21 17.2 12.7 11.1
3 46.8 43.2 42.5 41.9 41.3 39.8 38.4 36.9 34.6 31.5 25.7 19 16.6
4 62.5 57.8 56.8 56 55.2 53.2 51.3 49.4 46.3 42.2 34.5 25.6 22.4
5 78.5 72.8 71.7 70.6 69.7 67.3 64.9 62.6 58.9 53.9 44.3 33.2 29.2