MH Series Horizontal Multistage

MH Series Horizontal Multistage

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.

Product Info
50 Hz Performance
60 Hz Performance
Downloads
  • Features

    • Compact close-coupled design, robust and corrosion resistant
    • Superior efficiency and performance
    • Flexible application base plate
    • Floating neck ring in PPS
    • Heavy duty oversize motor shaft
    • Impellers and diffusers are made of stainless steel in order to achieve durability
    • Easy maintenance
    • Strong and leak-proof motor ball bearing fitted in the motor
    • Pumping of clear non-loaded fluids
    • Mechanical seal Type E0 = carbon/ceramic/EPDM: 3-5-9 MH, 3-5 MHsp
    • Mechanical seal Type E1 = carbon/silicon carbide/EPDM: 15-20 MH

    Pump Specifications

    • Flow:
    • up to 29 m³/h (MH), up to 8 m³/h (MHsp) at 50 Hz
    • up to 35 m³/h at 60 Hz
    • Head: up to 104 m (MH and MHsp)
    • Connections: Rp threaded for inlet and outlet
    • Maximum working pressure: 10 Bar
    • Maximum allowable amount of sand: 50 g/m³ (MH)
    • Maximum ambient temperature: 40 °C
    • Liquid temperature range (MH):
    • Minimum: from -15 °C to -10 °C according to gasket material
    • Maximum: +90 °C for domestic use (uses covered by CEI EN standard 60335-2-41); +110 °C only for industrial use (uses other than those covered by CEI EN standard 60335-2-41)
    • Liquid temperature range (MHsp):
    • from 0 °C up to 35 °C
    • The hydraulic characteristics are guaranteed, according to ISO standard 9906:2012, grade 3B

    Motor Specifications

    • 1-phase and 3-phase motor efficiency class IE3 for 50 Hz version
    • Asynchronous, TEFC (Totally Enclosed, Fan-Cooled)
    • 2 pole
    • Protection IP55, insulation class F
    • Standard voltage
    • Single-phase:
    • 220-240 V ±5 % (Thermal protection built into the motor)
    • Three-phase:
    • 220-240 V / 380-415 V ±5 % up to 3 kW (Thermal protection to be provided into the starter panel by the installer)
    • 380-415 V / 660-690 V ±5 % from 4 kW (Thermal protection to be provided into the starter panel by the installer)
    • 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)

    Available on request

    • IE3 Motors efficiency for 60 Hz pump version
    • Special mechanical seal (MH)
    • Discharge inlet/outlet NPT
  • 3 MH Table of Hydraulic Performance at 50 Hz

    PUMP
    TYPE
    Q = DELIVERY
    l/min 025334250586775
    m³/h 01.522.533.544.5
    US GPM 06.68.81113.215.417.619.8
    H=TOTAL M.HEAD OF WATER COLUMN
    3 MH 2232119.51816.514.512.510
    3 MH 333.530.52926.5242117.514
    3 MH 444.54037.534.531272318
    3 MH 5554946423732.52721
    3 MH 667.56157534741.53528
    3 MH 77870.56660.55447.54032
    3 MH 89082777164564738
    3 MH 910191.585.57970.561.55241

    5 MH Table of Hydraulic Performance at 50 Hz

    PUMP
    TYPE
    Q = DELIVERY
    l/min 03342505867758392100117
    m³/h 022.533.544.555.567
    US GPM 08.81113.215.417.619.822.0124.226.430.8
    H=TOTAL M.HEAD OF WATER COLUMN
    5 MH 223.521.52120.519.5191817161511.5
    5 MH 334.531.53129.528.527.52625232116
    5 MH 446.543424139.5383634322923
    5 MH 5585351.55048.546.54441.538.535.527.5
    5 MH 67064.563615956.5545147.543.534
    5 MH 781.574.572.570686561.5585449.538.5
    5 MH 892.584827976.57369656054.542
    5 MH 910495.59390.587.583.579.575706450

    9 MH Table of Hydraulic Performance at 50 Hz

    PUMP
    TYPE
    Q = DELIVERY
    l/min 0505867758392100117133150167183233
    m³/h 033.544.555.56789101114
    US GPM 013.215.417.619.822.0124.226.430.835.239.644.0248.461.6
    H=TOTAL M.HEAD OF WATER COLUMN
    9 MH 223.52221.52120.5202019.518.5181715.513.56,5
    9 MH 335.53332.53231.53130.53028.527.526242111
    9 MH 4484544.543.5434241.54139.538363329.516
    9 MH 559.555.555545352515048.546.54440.53618.5
    9 MH 67166656462.561.560595754.5514741.521
    9 MH 78479.578.577.57674.573.57270676459.553.529.5
    9 MH 89690.589.5888684.5838279.57672.5676032.5

    15 MH Table of Hydraulic Performance at 50 Hz

    PUMP
    TYPE
    Q = DELIVERY
    l/min 0133150167183233267300333367417
    m³/h 0891011141618202225
    US GPM 035.239.644.0248.461.670.479.288.0596.8110.07
    H=TOTAL M.HEAD OF WATER COLUMN
    15 MH 2292625.525.5252321.519.517.514.59.5
    15 MH 34439.5393837.534.532.529.5262214.5
    15 MH 458.5535251.550.547444035.53020
    15 MH 57365.564.563.562.557.5544943.536.524
    15 MH 687.579.5787775.5716761.5544631.5
    15 MH 71029290.58987.58277.570.56252.536

    20 MH Table of Hydraulic Performance at 50 Hz

    PUMP
    TYPE
    Q = DELIVERY
    l/min 0133150167183233267300333367417467483
    m³/h 08910111416182022252829
    US GPM 035.239.644.0248.461.670.479.288.0596.8110.07123.2127.6
    H=TOTAL M.HEAD OF WATER COLUMN
    20 MH 23128.52827.52726252422.520.516.51210
    20 MH 346.54342.541.54139.53836.534.531.525.51916
    20 MH 462.558575655.553.551.549.546.542.534.52622
    20 MH 578.572.571.570.569.56764.56258.553.543.532.528
  • 3 MH Table of Hydraulic Performance at 60 Hz

    PUMP
    TYPE
    Q = DELIVERY
    l/min 033.341.75058.366.77583.391.7100
    m³/h 022.533.544.555.56
    US GPM 08.81113.215.417.619.82224.226.4
    H = TOTAL HEAD METERS COLUMN OF WATER
    3 MH 2631.52927.525.523.52118.5161310
    3 MH 36464239.536.533.529.52622.51813
    3 MH 4662.5575450464136.531.525.519
    3 MH 56777065.56155.549.54437.53022
    3 MH 6693.58681.57669.562.555.5483929
    3 MH 76108.599.593.5878071.56354.54432.5

    5 MH Table of Hydraulic Performance at 60 Hz

    PUMP
    TYPE
    Q = DELIVERY
    l/min 041.75058.366.77583.391.7100116.7133.3141.7
    m³/h 02.533.544.555.56788.5
    US GPM 01113.215.417.619.82224.226.430.835.237.4
    H = TOTAL HEAD METERS COLUMN OF WATER
    5 MH 26333029.528.52827262523.5211715
    5 MH 365045.544.543.542.54139.538363226.523
    5 MH 466761.5605957.555.553.551.54943.536.532.5
    5 MH 5683.5767472.570.56865.56360534438.5
    5 MH 66999087.585.5838077.5747061.550.544.5
    5 MH 76117104.510198959288.58580.570.557.550.5

    9 MH Table of Hydraulic Performance at 60 Hz

    PUMP
    TYPE
    Q = DELIVERY
    l/min 0100116.7133.3141.7166.7200233.3266.7283.3
    m³/h 06788.51012141617
    US GPM 026.430.835.237.44452.861.670.474.8
    H = TOTAL HEAD METERS COLUMN OF WATER
    9 MH 263429.528.527.52725.522.51812.59.5
    9 MH 3651.544.5434241.53934.52819.514.5
    9 MH 4669585654.553.5504435.52417.5
    9 MH 5685.570.568.56665615342.52820

    15 MH Table of Hydraulic Performance at 60 Hz

    PUMP
    TYPE
    Q = DELIVERY
    l/min 0166.7200233.3266.7283.3300333367400433.5466.5
    m³/h 01012141617182022242828
    US GPM 04452.861.670.474.879.28896.8105.6114.4123.2
    H = TOTAL HEAD METERS COLUMN OF WATER
    15 MH 264237.536.535.53433.532.53128.525.52218
    15 MH 3663.556.55553.551.550494642.538.53327.5
    15 MH 4684.57573.5716866.56561.557514436.5

    20 MH Table of Hydraulic Performance at 60 Hz

    PUMP
    TYPE
    Q = DELIVERY
    l/min 0200233.3266.7283.3300333367400433.5466.5500583566
    m³/h 012141617182022242828303234
    US GPM 052.861.670.474.879.28896.8105.6114.4123.2132140.8149.6
    H = TOTAL HEAD METERS COLUMN OF WATER
    20 MH 2645.54140.536.53938.537.53634.5322926.52319
    20 MH 366861.560.5595857.555.5545147.543.53933.527.5