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Hydraulic Calculator / Calculate Hydraulics Online

Hydraulic pumps

Sizes and Units used

TorqueTNm
Differential pressure∆pbar
Speednmin⁻¹
Displacement per revolutionVgcm³
PowerPkW
Flowqvl/min
Volumetric efficiencyŋvolReference value ca. 0.9 - 0.95
Mechanical-hydraulic efficiencyŋmhReference value ca. 0.9 - 0.95
Total efficiencyŋtReference value ca. 0.8 - 0.85

  • qv– Volumetric flow [l/min]
    cm³
    min⁻¹
    Reference value ca. 0.9 - 0.95
    qv =
    ? l/min
    kW
    bar
    Reference value ca. 0.8 - 0.85
    qv =
    ? l/min

  • Vg – Displacement volume per rotation [cm³]
    l/min
    min⁻¹
    Reference value ca. 0.9 - 0.95
    Vg =
    ? cm³
    Nm
    bar
    Reference value ca. 0.9 - 0.95
    Vg =
    ? cm³

  • n – Rotational speed [min-1]
    l/min
    cm³
    Reference value ca. 0.9 - 0.95
    n =
    ? min⁻¹
    kW
    Nm
    n =
    ? min⁻¹

  • T – Torque [Nm]
    cm³
    bar
    Reference value ca. 0.9 - 0.95
    T =
    ? Nm
    kW
    min⁻¹
    T =
    ? Nm

  • ∆p – Differential pressure [bar]
    Nm
    cm³
    Reference value ca. 0.9 - 0.95
    ∆p =
    ? bar
    kW
    l/min
    Reference value ca. 0.8 - 0.85
    ∆p =
    ? bar

  • P – Power [kW]
    Nm
    min⁻¹
    P =
    ? kW
    bar
    l/min
    Reference value ca. 0.8 - 0.85
    P =
    ? kW
Zeichnung einer Zahnradpumpe

Gear Pumps and Motors

Sizes and Units used

Gear pump displacement per revolutionVgcm³
Gear pump diameterDcm
Gear pump lengthLcm
Gear pump widthWcm

Hydomotors

Sizes and Units used

TorqueTNm
Differential pressure∆pbar
Speednmin⁻¹
Displacement per revolutionVgcm³
PowerPkW
Flowqvl/min
Volumetric efficiencyŋvolReference value ca. 0.9 - 0.95
Mechanical-hydraulic efficiencyŋmhReference value ca. 0.9 - 0.95
Total efficiencyŋtReference value ca. 0.8 - 0.85

  • qv – Displacement [l/min]
    cm³
    min⁻¹
    Reference value ca. 0.9 - 0.95
    qv =
    ? l/min
    kW
    bar
    Reference value ca. 0.8 - 0.85
    qv =
    ? l/min

  • Vg – Displacement per rotation [cm³]
    l/min
    min⁻¹
    Reference value ca. 0.9 - 0.95
    Vg =
    ? cm³
    Nm
    bar
    Reference value ca. 0.9 - 0.95
    Vg =
    ? cm³

  • n – Rotational speed [min-1]
    l/min
    cm³
    Reference value ca. 0.9 - 0.95
    n =
    ? min⁻¹
    kW
    Nm
    n =
    ? min⁻¹

  • T – Torque [Nm]
    cm³
    bar
    Reference value ca. 0.9 - 0.95
    T =
    ? Nm
    kW
    min⁻¹
    T =
    ? Nm

  • ∆p – Differential pressure [bar]
    Nm
    cm³
    Reference value ca. 0.9 - 0.95
    ∆p =
    ? bar
    kW
    l/min
    Reference value ca. 0.8 - 0.85
    ∆p =
    ? bar

  • P – Power [kW]
    Nm
    min⁻¹
    P =
    ? kW
    bar
    l/min
    Reference value ca. 0.8 - 0.85
    P =
    ? kW
Telephone: +49 201 858 13-0
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Telephone: +49 201 858 13-0