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Series E/FLM - Stainless steel electric gear pumps

The gear pumps of the E/FLM series are compact stainless steel electric gear pumps for flow rates up to 24 l/min and pressure ranges up to approx. 20 bar. A stainless steel gear flange pump made of material 1.4571 is mounted on a pump carrier with an electric motor via an elastic coupling to form a motor pump. The series is designed for lubricating media in corrosive or chemically demanding environments.

  • Delivery rate (min/max)

    1,15 / 24 l/min

  • Viskosität (min/max)

    1,4 / 2.500 mm²/s

  • Power (min/max)

    0,12 / 1,5 kW

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Series E/FLM1

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

Type cm³/rev Qmax (l/min) pmax (bar)
E/FLM 1-060,430,6020
E/FLM 15 0,851,1520
E/FLM 17 1,201,6020
E/FLM 110 1,802,3020

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

Series E/FLM2

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

Type cm³/rev Qmax (l/min) pmax (bar)
E/FLM 2102,303,0020
E/FLM 2143,204,5020
E/FLM 2194,306,0020

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

Series E/FLM3

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

Type cm³/rev Qmax (l/min) pmax (bar)
E/FLM 3105,107,4020
E/FLM 3147,1010,2020
E/FLM 3189,1013,2020
E/FLM 32311,7016,7020
E/FLM 32814,1020,3020
E/FLM 33316,7024,1020

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: 1,15 / 24 l/min bei 1450 U/min
Viscosity**: 1,4 / 2.500 mm²/s
Maximum pressure: up to 20 bar
Engine power: 0,12 / 1,5 kW (1-phasig & 3-phasig)
Media temperature: -40 to +200 °C (depending on seal material and material pairing)

**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
Spur gear motors.

Wide range of applications

Chemical industry
- Lubricating oils and additives that require stainless steel due to the risk of corrosion
- Synthetic oils or specialty chemicals

Process & process engineering
Heat transfer oils at higher temperatures
Oil-containing media in systems with higher material resistance requirements

Marine and offshore technology
Lubricating oils in environments with increased moisture/salt content
Auxiliary circuits with oily liquids in ship operations

General industry / special systems
Oily media in pilot or test systems with a corrosive environment

Conveying media

The pumps of the E/FLM series are suitable for pumping liquids, emulsions, pastes and oils. Conveying chemically aggressive fluids without abrasive components.
E/FLM pumps The pumped media must guarantee a minimum level of lubrication
E/FLM -PEEK : Stainless steel gear pump with PEEK gears, for water and aqueous media for low to non-lubricating media

Shaft seals

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

Materials

Part naming E/F E/F PEEK
Housing & cover Stainless steel 1.4571 Stainless steel 1.4571
Shafts Stainless steel 1.4571 Stainless steel 1.4571
Gear wheels Stainless steel 1.4571 PEEK
Bearing bushes Stainless steel composite bearing Stainless steel composite bearing

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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Further products

Series E/FSeries E/FLM -PEEK