For ATEX zones.
For ATEX zones.
Containment can with temperature sensor for use in potentially explosive gas atmospheres (ATEX zones 1 and 2).
Reliable sealing.
Reliable sealing.
Adequate elastomer selection for reliable sealing of critical points.
Standard magnetic coupling.
Standard magnetic coupling.
Hermetically sealed thanks to magnetic coupling.
Almost maintenance-free.
Almost maintenance-free.
Selected materials, special coatings and axial-load compensation ensure virtually maintenance-free operation over many years, even when handling media with low lubricity.
Corrosion-resistant screws.
Corrosion-resistant screws.
The stainless-steel screws feature high surface hardness and special coatings for optimized sliding behaviour and excellent emergency-running properties.
Balanced idle screws.
Balanced idle screws.
Hydraulically balanced idle screws for minimum axial forces and low-noise operation.
Corrosion-resistant materials.
Corrosion-resistant materials.
The housing and all media-wetted parts are made of stainless steel as standard.
Coated housing options.
Coated housing options.
A range of coatings for outstanding sliding properties and minimal friction.
Axial and radial.
Axial and radial.
A wide range of connection options enables compact system integration.
KRAL F Series Screw Pumps.
The screw pump for Future Fuels.
When future meets experience.
In the ever-changing world of energy technologies, future fuels play a key role. They do not only promise a more sustainable alternative to conventional fossil fuels, but also drive innovation and efficiency in various industrial applications. The KRAL Future Fuels pump offers high efficiency for various Future Fuels and a wide range of applications thanks to the use of corrosion-resistant stainless steels.
Operation, materials, components.
- Delivery rate: 5 to 280 l/min.
- Viscosity: 0.2 to 500 mm2/s.
- Rotation speed: up to 4,000 min-1.
- Max. differential pressure: 120 bar.
- Max. temperature: -40 to +300 °C (up to +80 °C for coated housings).
- ATEX: Zone 1 & 2.
- Future Fuels: Biofuels, Methanol, Ammonia, Ethanol, HVO, FAME.
KRAL F series at a glance.
All media wetted parts made of stainless steel.
Hermetic sealing with magnetic coupling.
Approved for use in in ATEX Zone 1 & 2.
Differential pressures up to 80 bar (LFO, biofuels) / max. 30 bar for methanol and ammonia.
Excellent efficiency degree.
Low pulsation and low shear conveying.
Almost linear conveying characteristics.
Very low noise emissions.
Suitable for fuels with acid value > 0.5 mg KOH/g.
| Technical data | 15-20 | 32-42 | 55-74-85 | 105-118 | |
|---|---|---|---|---|---|
| Delivery rate (2,900 min-1, 40 bar, 1 mm2/s) | l/min | up to 25 | up to 60 | up to 120 | up to 180 |
| Max. differential pressure | bar | 120 | 120 | 120 | 120 |
| Max. temperature | °C | 80 | 80 | 80 | 80 |
| Viscosity | mm²/s | >0,2 | >0,2 | >0,2 | >0,2 |
| Max. rotation speed | min-1 | 4,000 | 4,000 | 4,000 | 4,000 |
| Max. supply pressure | bar | 16 | 16 | 16 | 16 |
F flange screw pump.
Flange pump with axial inlet.
F flange screw pump.
Flange pump with radial inlet.
F vertical pedestal pump.
Easy access for maintenance, inspection and servicing. Suitable for small installation spaces.
You have several options for finding the right operating instructions/product information sheet:
- Set filters. Start with the product filter. Confirm the search with SHOW RESULTS.
- Do you know the exact number of the operating instructions/product information sheet? Then enter it in the field No. Document.
- You can also watch the instruction videos.
Search via filter
No. Document 
Results
No. Document
Product
Series
Seal/Design
Version
OIK 14
Screw pump
K
Mechanical Seal
26.03.2025
OIK 14 | Screw pump | K | Mechanical Seal
Version
DE
EN
OIK 07
Screw pump
K
Radial shaft seal
26.03.2025
OIK 07 | Screw pump | K | Radial shaft seal
Version
DE
EN
OIK 09
Screw pump
K
Magnetic coupling
26.03.2025
OIK 09 | Screw pump | K | Magnetic coupling
Version
DE
EN
OIK 10
Pump station
EKL/EKS
–
02.04.2025
OIK 10 | Pump station | EKL/EKS | –
Version
DE
EN
OIL 01
Screw pump
L
Mechanical seal / Radial Shaft Seal
03.02.2026
OIL 01 | Screw pump | L | Mechanical seal / Radial Shaft Seal
Version
DE
EN
OIL 02
Screw pump
L
Magnetic coupling
03.02.2026
OIL 02 | Screw pump | L | Magnetic coupling
Version
DE
EN
OIL 03
Pump station
ELL/ELS
Mechanical seal / Radial Shaft Seal
15.11.2024
OIL 03 | Pump station | ELL/ELS | Mechanical seal / Radial Shaft Seal
Version
DE
EN
OIC 01
Screw pump
CK
Mechanical seal / Radial Shaft Seal
14.11.2025
OIC 01 | Screw pump | CK | Mechanical seal / Radial Shaft Seal
Version
DE
EN
OIC 02
Screw pump
CL
Mechanical seal / Radial Shaft Seal
18.05.2026
OIC 02 | Screw pump | CL | Mechanical seal / Radial Shaft Seal
Version
DE
EN
OIC 10
Screw pump
CG
Magnetic coupling
07.11.2025
OIC 10 | Screw pump | CG | Magnetic coupling
Version
DE
EN
OIC 13
Screw pump
CL
Magnetic coupling
18.05.2026
OIC 13 | Screw pump | CL | Magnetic coupling
Version
DE
EN
OIC 18
Screw pump
CG
Mechanical seal / Radial Shaft Seal
07.11.2025
OIC 18 | Screw pump | CG | Mechanical seal / Radial Shaft Seal
Version
DE
EN
OIM 01
Screw pump
M
Mechanical seal / Radial Shaft Seal
01.06.2024
OIM 01 | Screw pump | M | Mechanical seal / Radial Shaft Seal
Version
DE
EN
OIM 05
Screw pump
M
Magnetic coupling
01.06.2024
OIM 05 | Screw pump | M | Magnetic coupling
Version
DE
EN
OIN 04
Screw pump
NS
Radial shaft seal
20.04.2020
OIN 04 | Screw pump | NS | Radial shaft seal
Version
DE
EN
OIW 01
Screw pump
W
Mechanical seal / Radial Shaft Seal
21.10.2024
OIW 01 | Screw pump | W | Mechanical seal / Radial Shaft Seal
Version
DE
EN
OID 02
Pump station
DKC/DLC
Mechanical seal / Radial Shaft Seal
02.10.2025
OID 02 | Pump station | DKC/DLC | Mechanical seal / Radial Shaft Seal
Version
DE
EN
OID 03
Pump station
DKC/DLC
Magnetic coupling
02.10.2025
OID 03 | Pump station | DKC/DLC | Magnetic coupling
Version
DE
EN
OID 05
Pump station
DL2
Mechanical seal / Radial Shaft Seal
02.10.2025
OID 05 | Pump station | DL2 | Mechanical seal / Radial Shaft Seal
Version
DE
EN
OID 06
Pump station
DS1/DS3/DS4
Mechanical seal / Radial Shaft Seal
02.10.2025
OID 06 | Pump station | DS1/DS3/DS4 | Mechanical seal / Radial Shaft Seal
Version
DE
EN
OID 07
Pump station
DS1/DS3/DS4
Magnetic coupling
02.10.2025
OID 07 | Pump station | DS1/DS3/DS4 | Magnetic coupling
Version
DE
EN
OIO 08
Flowmeter
OMH
–
29.06.2026
OIO 08 | Flowmeter | OMH | –
Version
DE
EN
OIO 14
Flowmeter
OMG
–
29.06.2026
OIO 14 | Flowmeter | OMG | –
Version
DE
EN
OIO 15
Flowmeter
OME
–
01.07.2026
OIO 15 | Flowmeter | OME | –
Version
DE
EN
OIO 20
Flowmeter
OME compact
–
29.06.2026
OIO 20 | Flowmeter | OME compact | –
Version
DE
EN
OIO 23
Flowmeter
OMP
–
29.06.2026
OIO 23 | Flowmeter | OMP | –
Version
DE
EN
OIO 28
Flowmeter
OMX
–
30.04.2022
OIO 28 | Flowmeter | OMX | –
Version
DE
EN
OIO 30
Flowmeter
OMS
Low-viscosity liquids
29.06.2026
OIO 30 | Flowmeter | OMS | Low-viscosity liquids
Version
DE
EN
OIO 31
Flowmeter
OMS
High-viscosity liquids
29.06.2026
OIO 31 | Flowmeter | OMS | High-viscosity liquids
Version
DE
EN
OIO 03
Flowmeter
OMK
–
10.04.2024
OIO 03 | Flowmeter | OMK | –
Version
DE
EN
OIE 26
Elektronics
BEM 100
–
07.11.2024
OIE 26 | Elektronics | BEM 100 | –
Version
DE
EN
OIE 29
Elektronics
BEM 100
Support-Software Smart Support
22.04.2020
OIE 29 | Elektronics | BEM 100 | Support-Software Smart Support
Version
DE
EN
OIE 29
Elektronics
BEM 150
Support-Software Smart Support
21.04.2020
OIE 29 | Elektronics | BEM 150 | Support-Software Smart Support
Version
DE
EN
OIE 27
Elektronics
BEM 150
–
07.11.2024
OIE 27 | Elektronics | BEM 150 | –
Version
DE
EN
OIE 24
Elektronics
BEM 200
–
21.02.2024
OIE 24 | Elektronics | BEM 200 | –
Version
DE
EN
OIE 15
Elektronics
BEM 300
–
07.10.2021
OIE 15 | Elektronics | BEM 300 | –
Version
DE
EN
OIE 23
Elektronics
BEM 300
Modbus communication
30.05.2012
OIE 23 | Elektronics | BEM 300 | Modbus communication
Version
DE
EN
OIE 22
Elektronics
BEM 500
Modbus communication
30.07.2019
OIE 22 | Elektronics | BEM 500 | Modbus communication
Version
DE
EN
OIV 01
Elektronics
BEM 500
Differential measurement
10.12.2019
OIV 01 | Elektronics | BEM 500 | Differential measurement
Version
DE
EN
OIE 12
Elektronics
BEM 500
–
05.10.2021
OIE 12 | Elektronics | BEM 500 | –
Version
DE
EN
OIE 30
Elektronics
Smart Solution Display
–
21.05.2024
OIE 30 | Elektronics | Smart Solution Display | –
Version
DE
EN
OII 08
Sensors
EET
Temperatur sensors
04.10.2024
OII 08 | Sensors | EET | Temperatur sensors
Version
DE
EN
OII 02
Sensors
BEG
Pick up
02.10.2025
OII 02 | Sensors | BEG | Pick up
Version
DE
EN
OIG 01
Screw pump
G
Mechanical Seal
08.05.2025
OIG 01 | Screw pump | G | Mechanical Seal
Version
DE
EN
OPR 01
Screw pump
K
Product information sheet
30.09.2021
OPR 01 | Screw pump | K | Product information sheet
Version
DE
EN
OPR 02
Screw pump
K
Product information sheet
30.09.2021
OPR 02 | Screw pump | K | Product information sheet
Version
DE
EN
OPR 03
Screw pump
K
Product information sheet
30.09.2021
OPR 03 | Screw pump | K | Product information sheet
Version
DE
EN
OPR 04
Screw pump
K
Product information sheet
30.09.2021
OPR 04 | Screw pump | K | Product information sheet
Version
DE
EN
OPR 07
Screw pump
L
Product information sheet
21.12.2023
OPR 07 | Screw pump | L | Product information sheet
Version
DE
EN
OPR 05
Screw pump
K
Product information sheet
21.12.2023
OPR 05 | Screw pump | K | Product information sheet
Version
DE
EN
OPR 06
Screw pump
K
Product information sheet
21.12.2023
OPR 06 | Screw pump | K | Product information sheet
Version
DE
EN
OPR 08
Screw pump
L
Product information sheet
21.12.2023
OPR 08 | Screw pump | L | Product information sheet
Version
DE
EN
OPR 09
Screw pump
CK
Product information sheet
21.12.2023
OPR 09 | Screw pump | CK | Product information sheet
Version
DE
EN
OPR 10
Screw pump
L
Product information sheet
21.12.2023
OPR 10 | Screw pump | L | Product information sheet
Version
DE
EN
OPR 11
Pump station
DKC/DLC
Product information sheet
21.12.2023
OPR 11 | Pump station | DKC/DLC | Product information sheet
Version
DE
EN
OPW 01
Screw pump
K
Product information sheet
01.04.2025
OPW 01 | Screw pump | K | Product information sheet
Version
DE
EN
OPW 02
Screw pump
K
Product information sheet
01.09.2021
OPW 02 | Screw pump | K | Product information sheet
Version
DE
EN
OPW 03
Screw pump
K
Product information sheet
01.09.2021
OPW 03 | Screw pump | K | Product information sheet
Version
DE
EN
OPW 04
Screw pump
K
Product information sheet
01.09.2021
OPW 04 | Screw pump | K | Product information sheet
Version
DE
EN
OPW 09
Screw pump
K
Product information sheet
01.09.2021
OPW 09 | Screw pump | K | Product information sheet
Version
DE
EN
OPW 10
Screw pump
K
Product information sheet
01.09.2021
OPW 10 | Screw pump | K | Product information sheet
Version
DE
EN
OPW 11
Screw pump
K
Product information sheet
01.09.2021
OPW 11 | Screw pump | K | Product information sheet
Version
DE
EN
OPW 12
Screw pump
K
Product information sheet
01.09.2013
OPW 12 | Screw pump | K | Product information sheet
Version
DE
EN
OPW 13
Screw pump
K
Product information sheet
01.04.2025
OPW 13 | Screw pump | K | Product information sheet
Version
DE
EN
OPW 15
Screw pump
K
Product information sheet
01.09.2021
OPW 15 | Screw pump | K | Product information sheet
Version
DE
EN
OPW 16
Screw pump
K
Product information sheet
21.12.2023
OPW 16 | Screw pump | K | Product information sheet
Version
DE
EN
OPW 17
Screw pump
K
Product information sheet
01.09.2021
OPW 17 | Screw pump | K | Product information sheet
Version
DE
EN
OPW 18
Screw pump
K
Product information sheet
01.09.2021
OPW 18 | Screw pump | K | Product information sheet
Version
DE
EN
OPW 19
Screw pump
K
Product information sheet
01.09.2021
OPW 19 | Screw pump | K | Product information sheet
Version
DE
EN
OPW 20
Screw pump
K
Product information sheet
21.12.2023
OPW 20 | Screw pump | K | Product information sheet
Version
DE
EN
OPW 21
Screw pump
L
Product information sheet
21.12.2023
OPW 21 | Screw pump | L | Product information sheet
Version
DE
EN
OPW 22
Screw pump
L
Product information sheet
21.12.2023
OPW 22 | Screw pump | L | Product information sheet
Version
DE
EN
OPW 25
Pump station
DKC/DLC
Product information sheet
01.09.2013
OPW 25 | Pump station | DKC/DLC | Product information sheet
Version
DE
EN
OPW 27
Screw pump
M
Product information sheet
01.03.2014
OPW 27 | Screw pump | M | Product information sheet
Version
DE
EN
OPW 28
Screw pump
M
Product information sheet
01.03.2014
OPW 28 | Screw pump | M | Product information sheet
Version
DE
EN
OPW 29
Screw pump
M
Product information sheet
01.03.2013
OPW 29 | Screw pump | M | Product information sheet
Version
DE
EN
OPW 30
Screw pump
M
Product information sheet
01.03.2014
OPW 30 | Screw pump | M | Product information sheet
Version
DE
EN
OPW 31
Screw pump
M
Product information sheet
01.03.2014
OPW 31 | Screw pump | M | Product information sheet
Version
DE
EN
OPW 32
Pump station
DML/DMS
M
M
Product information sheet
01.10.2014
OPW 32 | Pump station | DML/DMS | Product information sheet
Version
DE
EN
OPW 34
Screw pump
L
Product information sheet
21.12.2023
OPW 34 | Screw pump | L | Product information sheet
Version
DE
EN
OPW 35
Screw pump
L
Product information sheet
21.12.2023
OPW 35 | Screw pump | L | Product information sheet
Version
DE
EN
OPW 36
Screw pump
CK
Product information sheet
21.12.2023
OPW 36 | Screw pump | CK | Product information sheet
Version
DE
EN
OPW 39
Screw pump
L
Product information sheet
21.12.2023
OPW 39 | Screw pump | L | Product information sheet
Version
DE
EN
OPW 40
Pump station
DKC/DLC
Product information sheet
01.10.2014
OPW 40 | Pump station | DKC/DLC | Product information sheet
Version
DE
EN
OPW 41
Pump station
DKC/DLC
Product information sheet
21.12.2023
OPW 41 | Pump station | DKC/DLC | Product information sheet
Version
DE
EN
OPW 48_RR
Screw pump
CL
Product information sheet
01.09.2017
OPW 48_RR | Screw pump | CL | Product information sheet
Version
DE
EN
OPW 49_RR
Screw pump
CL
Product information sheet
01.04.2018
OPW 49_RR | Screw pump | CL | Product information sheet
Version
DE
EN
OPW 51
Screw pump
W
Product information sheet
21.12.2023
OPW 51 | Screw pump | W | Product information sheet
Version
DE
EN
OIR 01
Screw pump
R
Mechanical Seal
01.09.2022
OIR 01 | Screw pump | R | Mechanical Seal
Version
DE
EN
OIR 02
Screw pump
R
Magnetic coupling
30.09.2022
OIR 02 | Screw pump | R | Magnetic coupling
Version
DE
EN
OPW 33
Screw pump
R
Product information sheet
21.12.2023
OPW 33 | Screw pump | R | Product information sheet
Version
DE
EN
OPW 42
Screw pump
R
Product information sheet
21.12.2023
OPW 42 | Screw pump | R | Product information sheet
Version
DE
EN
OPR 12
Screw pump
R
Product information sheet
21.12.2023
OPR 12 | Screw pump | R | Product information sheet
Version
DE
EN
OPW 56
Screw pump
G
Product information sheet
22.04.2024
OPW 56 | Screw pump | G | Product information sheet
Version
DE
EN
OPW 37
Pump station
DKC/DLC
Product information sheet
21.12.2023
OPW 37 | Pump station | DKC/DLC | Product information sheet
Version
DE
EN
OPW 38
Pump station
DKC/DLC
Product information sheet
21.12.2023
OPW 38 | Pump station | DKC/DLC | Product information sheet
Version
DE
EN
OIW 02
Screw pump
W
Magnetic coupling
21.10.2024
OIW 02 | Screw pump | W | Magnetic coupling
Version
DE
EN
OIL 04
Pump station
ELL/ELS
Magnetic coupling
15.11.2024
OIL 04 | Pump station | ELL/ELS | Magnetic coupling
Version
DE
EN
OIK 11
Pump station
EKL/EKS
Magnetic coupling
02.04.2025
OIK 11 | Pump station | EKL/EKS | Magnetic coupling
Version
DE
EN
OIG 02
Screw pump
G
Mechanical Seal
08.07.2025
OIG 02 | Screw pump | G | Mechanical Seal
Version
DE
EN
OIG 03
Screw pump
G
Magnetic coupling
08.07.2025
OIG 03 | Screw pump | G | Magnetic coupling
Version
DE
EN
OPW 57
Screw pump
G
Product information sheet
08.07.2025
OPW 57 | Screw pump | G | Product information sheet
Version
DE
EN
OPW 58
Screw pump
G
Product information sheet
08.07.2025
OPW 58 | Screw pump | G | Product information sheet
Version
DE
EN
OPW 59
Screw pump
G
Product information sheet
08.07.2025
OPW 59 | Screw pump | G | Product information sheet
Version
DE
EN
OPW 60
Screw pump
G
Product information sheet
08.07.2025
OPW 60 | Screw pump | G | Product information sheet
Version
DE
EN
OIF 01
Screw pump
F
Magnetic coupling
01.07.2025
OIF 01 | Screw pump | F | Magnetic coupling
Version
DE
EN
OIL 01
Screw pump
L
Mechanical seal / Radial Shaft Seal
03.02.2026
OIL 01 | Screw pump | L | Mechanical seal / Radial Shaft Seal
Version
DE
EN
OIX 01
Pump station
DKC/DLC
ATEX supplementary instructions manuel zones 1/2 and 21/22
23.07.2026
OIX 01-01
Version
DE
EN
OIX 02
Flowmeter
OMH
OMG
OME
OMP
OMX
OMG
OME
OMP
OMX
ATEX supplementary instructions manual
30.01.2018
OIX 02
Version
DE
EN
OIX 01
Screw pump
CG
CK
CL
F
G
K
L
M
W
CK
CL
F
G
K
L
M
W
ATEX supplementary instructions manuel zones 1/2 and 21/22
23.07.2026
OIX 01-02
Version
DE
EN
OIX 05
Pump station
DKC/DLC
DS1/DS3/DS4
DS1/DS3/DS4
ATEX supplementary instructions manuel zones 2 and 22
10.11.2025
OIX 05-01
Version
DE
EN
OIX 05
Screw pump
CG
CK
CL
F
G
K
L
M
W
CK
CL
F
G
K
L
M
W
ATEX supplementary instructions manuel zones 2 and 22
10.11.2025
OIX 05-02
Version
DE
EN
