FOM series - Electric gear pumps

The electric gear pumps from FOM series are units designed for high motor power with flow rates of up to 124 l/min and pressure ranges of up to approximately 100 bar.
A gear flange pump from the F series is mounted on an aluminum pump carrier via a claw coupling with an electric motor to form a unit.

  • Delivery rate (min/max)

    7,4 / 124 l/min

  • Viskosität (min/max)

    1,4 / 2.500 mm²/s

  • Power (min/max)

    2,2 / 18,5 kW

Offer & Design

Our pump experts will help you choose the right pump for your requirements.

FOM3 series

Medium: Hydraulic oil 35 mm²/s @ 50 °C

Performance data FOM3 series - Hydraulic oil 35 mm²/s @ 50 °C
Type cm³/rev Qmax (l/min) pmax (bar)
FOM 3105,107,40100
FOM 3147,1010,20100
FOM 3189,1013,20100
FOM 32311,7016,70100
FOM 32814,1020,30100
FOM 33316,7024,10100

Q values based on n = 1450 min-¹. Maximum pressure depends on the available motor power.

FOM4 series

Medium: Hydraulic oil 35 mm²/s @ 50 °C

Performance data FOM4 series - Hydraulic oil 35 mm²/s @ 50 °C
Type cm³/rev Qmax (l/min) pmax (bar)
FOM 42221,2030,550
FOM 42625,0036,250
FOM 43028,9041,650
FOM 43432,8047,350
FOM 43836,7053,050

Q values based on n = 1450 min-¹. Maximum pressure depends on the available motor power.

FOM5 series

Medium: Hydraulic oil 35 mm²/s @ 50 °C

Performance data FOM5 series - Hydraulic oil 35 mm²/s @ 50 °C
Type cm³/rev Qmax (l/min) pmax (bar)
FOM 54543,4062,750
FOM 55654,0078,150
FOM 57067,5097,750
FOM 59086,80124,050

Q values based on n = 1450 min-¹. Maximum pressure depends on the available motor power.

Downloads

Data sheet (incl. characteristic curves)

Properties

Delivery rate: 7,4 / 124 l/min bei 1450 U/min
Viscosity**: 1,4 / 2.500 mm²/s
Maximum pressure*: up to 100 bar
Engine power: 2,2 / 18,5 kW (3-phasig)
Media temperature: -40 to +200 °C (depending on seal material and material pairing)

*Maximum pressure of the series. The permissible pressure of the selected pump size may be lower; the permissible operating points for flow rate, pressure, and speed can be found in the performance tables in the data sheets.

**Note on viscosity/speed:
4-pole motors (≈ 1450 rpm) up to approx. 350 mm²/s,
6-pole motors (≈ 950 rpm) up to approx. 1,500 mm²/s,
8-pole motors (≈ 700 rpm) up to approx. 2,500 mm²/s.
For higher viscosities, use
Helical gear motors of the G series in use.

Wide range of applications

Decanting & transfer:
Loading/unloading of tanks, IBCs and drums (oils, fuels, additives)
Circulation and pressure lubrication:
Oil supply for gearboxes, bearings, compressors, diesel engines
Circulation & bypass circuits:
Filtration, cooling/heating circuits, bypass filters
Supply & dosage:
Burner feeding, additivation, defined small quantities
Refueling / fuel transfer:
Diesel, heating oil and similar media
General plant engineering:
Media handling in test benches, units and skids

Conveying media

  • Mineral oils and synthetic oils
  • Biodegradable oils and vegetable oils
  • Emulsions
  • Water-glycol mixtures
  • Lubricants
  • Diesel and heating oil
  • Lacquers and paints

Shaft seals

  • Rotary shaft seal
  • Radial shaft seal with thrust bearing
  • Double rotary shaft seal
  • Mechanical seal
  • Magnetic coupling
  • Stuffing box graphite packing

Version with integrated frequency inverter

As an option, the gear pumps can be equipped with an integrated frequency converter.
The devices are assembled at the factory and preset according to the desired operating parameters so that variable-speed conveying is available ready for immediate use.

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