E/F series – Stainless steel gear flange pumps

The gear flange pumps from Series E/F are fully stainless steel pumps with housings, gears, and shafts made of 1.4571. They are suitable for corrosive, lubricating media for which a gray cast iron design is not sufficiently resistant.

  • Delivery rate (min/max)

    1,15 / 24 l/min

  • Viskosität (min/max)

    1,4 / 2.500 mm²/s

  • Performance

    Drive on customer side

Offer & Design

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

Series E/F1

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

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

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

Series E/F2

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

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

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

Series E/F3

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

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

Funding volume: 0.85 - 16.7 cm³/rev
(entspricht ca. 1,15 – 24 l/min bei 1450 U/min)
Viscosity**: 1,4 / 2.500 mm²/s
Maximum pressure: up to 20 bar
Typical motor power range: 0,12 / 1,5 kW
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 Series E/F are suitable for pumping liquids, emulsions, pastes, and oils. Pumping of chemically aggressive media 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

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

Also available as complete pump units

Our E/F series gear pumps are also available as complete units with integrated drive.
Electric motors (230 V / 400 V), geared motors and frequency converters for variable-speed conveying are available for this purpose.

Do you still have questions or need support?

Contact us and let us work together to find the best solution for your requirements.