PEM Electrolyzer - C Series

  • C Series Hydrogen Gas Generators

C Series Nel Hydrogen Generators

Nel C10, C20, and C30 hydrogen generators feature proton exchange membrane (PEM) cell stack and PSA technology, offering consistent, on-site production of 99.999% ultra-high purity hydrogen. These generators are engineered for extreme purity and composition certainty with minimal maintenance requirements.
C Series hydrogen generators utilize highly efficient load-following technology to sense demand and adjust production accordingly. These devices benefit users by improving supply reliability and site safety. They replace the need for tube trailers or liquid supply, providing quiet, dependable, space-saving solutions for any hydrogen-using facility.

C Series Spec Sheet


  • Autofill water level control
  • Water purity monitor
  • Automatic leak detection
  • Purge airflow system ensures safe operation
  • Report alarms
  • Load-following technology senses demand and adjusts production accordingly
  • Low maintenance requirements, with maintenance reminders
  • Touchscreen interface
  • Compatible with multiple units
  • Modular and upgradeable
  • Onboard DI water system
  • Factory-matched cooler & chiller
  • Dew point meter
  • Outdoor operation package available
  • Dedicated data logging computer

C Series PEM Electrolyzer Specifications

Flow Rate (splm)
Nominal Production Rate
175 Nm3/h
380 SCF/h
21.6 kg/24 h
350 Nm3/h
760 SCF/h
43.3 kg/24 h
535 Nm3/h
1,140 SCF/h
65.0 kg/24 h
Purity (concentration of impurities)
ISO 14687-1 Type 1 grade C ISO 14687-2 Type 1 grade D
99.9998% [H2O < 2 ppm, -72°C (-98°F) Dew Point, N2 < 2 ppm, O2 < 1 ppm,
all others undetectable]  
Delivery Pressure - Nominal 
30 barg (435 psig)

C Series Spec Sheet

Additional Services

SilPac does more than manufacture gas systems. We also offer a complete line of services to support your gas distribution equipment needs. We provide on-site system startup, function testing, training, and and support

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Contact Us Today for Nel PEM Electrolyzers

Our success is measured by customer satisfaction, and our dedication to quality objectives drives continual improvement in all aspects of our business. Contact us or request a quote today, and let us find the best solution to satisfy your project needs and expectations.