Gneuss Kunststofftechnik GmbH
With more than 35 years of experience and over 100 worldwide patents, the family business Gneuss ……...

The H Series electrolysers provide turnkey solutions for small-scale applications, delivering up to 6 Nm³/h of hydrogen gas with 99.999+%purity.
These units have a small footprint and are designed for easy installation and maintenance.
Features
Pure hydrogen at process pressure – up to 30 barg (435 psig) hydrogen and 99.999+% purity
Cost-effective hydrogen supply – tracks electric costs
Increased safety – caustic chemicals are not used
Virtually zero stored hydrogen – removes the hazard of flooding the space
Small footprint – only a fraction of space needed compared to trailers or cylinders
Dependable supply of hydrogen – field-proven reliability
Quick and easy installation – normally up and running in a da
Automated – safe operation without manual involvement
Low maintenance – needs as little as 4 hours of annaual maintenance
Specifications
Source: NEL Hydrogen
| H2 | H4 | H6 | |
|---|---|---|---|
| Nominal Production Rate | 2 Nm3/h (76 SCF/h)4.31 kg/24 h | 4 Nm3/h (152 SCF/h)8.63 kg/24 h | 6 Nm3/h (228 SCF/h)12.94 kg/24 h |
| Turndown Range | 0 to 100% | 0 to 100% | 0 to 100% |
| Power Consumption by System at 100% Capacity1 | 7.3 kWh/Nm³(19.2 kWh/100 SCF) | 7.0 kWh/Nm³(18.5 kWh/100 SCF | 6.8 kWh/Nm³(17.8 kWh/100 SCF) |
| Purity | 99.999+% | 99.999+% | 99.999+% |
| O₂-Content in H₂ | < 1 ppm v | < 1 ppm v | < 1 ppm v |
| H₂O-Content in H₂ | < 5 ppm v | < 5 ppm v | < 5 ppm v |
| Delivery Pressure | 15 barg (218 psig);Optional 30 barg (435 psig) | 15 barg (218 psig);Optional 30 barg (435 psig) | 15 barg (218 psig);Optional 30 barg (435 psig) |
| Dimensions – L x W x H | 1.8 m x 0.8 m x 1.9 m (5.9 ft x 2.5 ft x 6.6 ft) | 1.8 m x 0.8 m x 1.9 m (5.9 ft x 2.5 ft x 6.6 ft) | 1.8 m x 0.8 m x 1.9 m (5.9 ft x 2.5 ft x 6.6 ft) |
| Ambient Temperature | 5 to 50 ºC (41 to 122 ºF) | 5 to 50 ºC (41 to 122 ºF) | 5 to 50 ºC (41 to 122 ºF) |
| Electrolyte | Proton Exchange Membrane | 15 barg (218 psig); Optional 30 barg (435 psig) | Proton Exchange Membrane |
| Feed Water Consumption | 0.9 l/Nm3 | 0.9 l/Nm3 | 0.9 l/Nm3 |
For reference only – specifications are subject to change. Please contact Nel Hydrogen for solutions to best fit your needs.
1Beginning of life and dependent on configuration and operating conditions.
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