
GFS GP 2.0 with Titanium fittings
GFS GP 2.0 – Corrosion-Resistant Pump for Aggressive Media
The GFS Gear-Pump 2.0 is a high-performance gear pump specifically engineered for demanding applications in hydrogen electrolysis. Featuring precisely manufactured PEEK gears and a titanium housing, it delivers exceptional chemical resistance, thermal durability, and long service life—even under continuous operation with aggressive media such as KOH or ultrapure water.
Materials & Features:
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Contamination-free operation for maximum media purity
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Pulsation-free delivery enabled by high-precision gear meshing
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Temperature resistance up to 100 °C – ideal for high-temperature processes
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Pressure-resistant – suitable for industrial environments
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Two selectable flow ranges:
– 0.05–1 l/min (for precise dosing)
– 1–25 l/min (for high-volume industrial applications) -
Compatible with PEM, AEM, and AEL systems
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Intelligent control via USB and GFS CellFlow software
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24 V power supply – safe and easy to integrate
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Rapid customization: tailored flow performance to meet specific application need
Housing
Titanium
Gear wheels
PEEK
Flow
0,1 - 1 l/min / 1 - 25 l/min
Temperature
up to 100°C
Sealings
EPDM / FKM / PTFE
Pressurized
individual up to 50bar
Media
DI-Water, KOH, sea water, others
Connections
G1/8 - G1/2
Interface
USB/LAN
Supply Voltage
24V
Power
52 - 200 W


Applications
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PEM, AEM, and AEL electrolyzers
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Seawater applications
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Chemical processing industry
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Media circuits handling corrosive fluids
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Corrosive process environments in laboratories and industrial settings
Superior Quality for Demanding Applications
The GFS Gear-Pump 2.0 is engineered for operation under extreme conditions, combining technical precision with a robust design:
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Fully corrosion-resistant thanks to premium materials such as titanium and PEEK – even under prolonged exposure to aggressive media like KOH
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Quiet operation enabled by precise gear geometry – ideal for laboratories, testing environments, and industrial settings
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Dual-bearing shaft for maximum smoothness, extended service life, and mechanical stability
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Seal materials selectable according to media requirements: EPDM or PTFE available
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Operates with media temperatures up to 100 °C – perfectly suited for demanding electrochemical applications
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Easy integration – compact design, 24 V power supply, and standardized connection sizes enable seamless retrofit into existing systems

Get Expert Advice
We’re happy to support you in selecting the ideal pump for your specific application.
📞 +49 (0) 6898 91 22 985
✉️ mischa.geoerg@gfs-fuelcells.de