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
  • 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 (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

    ModelTypePosition
    A
    Stationary part
    B
    Rotating part
    C
    Other components
    D
    Elastomers
    Temperature [°C]
    3-5-9 MH
    E0VBGECeramic aluminaCarbon graphiteAISI 316EPDM-15 / 110
    15-20 MH
    E1BQGECarbon graphiteSilicon CarbideAISI 316EPDM-15 / 110
    ON REQUEST
    E2QQGESilicon CarbideSilicon CarbideAISI 316EPDM-15 / 110
    V3*QQGVSilicon CarbideSilicon CarbideAISI 316FKM-10 / 110
    V8*QUGVSilicon CarbideTungsten CarbideAISI 316FKM-10 / 110
    • * on request version with stopper pin
  • 3 MH - Table of Hydraulic Performance at 50 Hz

    Pump modelQ = Delivery
    m³/h 02533,35075
    l/min 01,5234,5
    US gpm 06,68,813,219,8
    H = Total meters head of water column [m]
    MH 3/222,42018,715,59,7
    MH 3/333,229,327,422,513,8
    MH 3/443,738,335,629,117,5
    MH 3/55446,843,435,220,7
    MH 3/665,156,752,642,825,4
    MH 3/775,365,160,248,728,4
    MH 3/887,67771,758,835,6
    MH 3/99885,879,865,239,1

    5 MH - Table of Hydraulic Performance at 50 Hz

    Pump modelQ = Delivery
    m³/h 033,35075100116,7
    l/min 0234,567
    US gpm 08,813,219,826,430,8
    H = Total meters head of water column [m]
    MH 5/223,521,720,518,31511,8
    MH 5/334,831,93026,521,316,5
    MH 5/446,242,439,935,228,421,9
    MH 5/557,352,148,842,73425,8
    MH 5/669,56460,353,443,233,6
    MH 5/780,773,969,561,349,237,9
    MH 5/893,987,182,673,860,647,9
    MH 5/9105,497,592,382,467,453

    9 MH - Table of Hydraulic Performance at 50 Hz

    Pump modelQ = Delivery
    m³/h 05075100116,7133,3166,7200233,3
    l/min 034,5678101214
    US gpm 013,219,826,430,835,24452,861,6
    H = Total meters head of water column [m]
    MH 9/223,72220,819,718,918,115,611,96,9
    MH 9/335,332,730,829,127,926,622,817,29,7
    MH 9/447,444,241,939,738,236,531,724,314,4
    MH 9/560,156,65451,449,747,842,13320,7
    MH 9/671,867,464,26158,956,549,538,523,7
    MH 9/784,379,475,872,269,967,159,246,529,3
    MH 9/89690,386,181,979,27666,852,232,5

    15 MH - Table of Hydraulic Performance at 50 Hz

    Pump modelQ = Delivery
    m³/h 0133,3166,7200233,3283,3333,3400
    l/min 08101214172024
    US gpm 035,24452,861,674,787,9105,5
    H = Total meters head of water column [m]
    MH 15/228,5252422,921,719,215,910,3
    MH 15/343,338,336,935,333,529,92516,5
    MH 15/457,951,449,547,44540,333,822,5
    MH 15/572,664,562,259,656,750,842,728,6
    MH 15/687,578,275,572,56962,152,535,6
    MH 15/7101,990,887,58479,871,760,540,7

    20 MH - Table of Hydraulic Performance at 50 Hz

    Pump modelQ = Delivery
    m³/h 0166,7200233,3283,3333,3400466,7
    l/min 010121417202428
    US gpm 04452,861,674,787,9105,5123,1
    H = Total meters head of water column [m]
    MH 20/231,227,927,226,525,323,118,512,7
    MH 20/346,841,940,839,837,834,627,719
    MH 20/462,55654,653,250,646,337,225,6
    MH 20/578,570,668,967,364,158,947,633,2
  • 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