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Control Units

Hydrogen Control Unit – D-UG 120

DURAG GROUP

  • Self-monitoring and fail-safe control unit for monitoring gas, oil and coal flames
  • Suitable for intermittent and continuous operation
  • LED display for operational status
  • Installation on DIN-rail
  • DVGW, UL 372, FM Class 7610, EAC, SIL3 certifications

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Description Vendor

The D-UG 120 DURAG is a self-monitoring and fail-safe control unit designed for monitoring gas, oil, and coal flames using DURAG UV, UV+IR, or IR flame sensors, primarily in single burner view applications. It analyzes flame radiation through the signal from the connected flame sensor and features an easy-to-read LED display that shows the operational status of the flame monitor. The unit provides flame intensity as a current output ranging from 0/4 to 20 mA for further analysis. It is suitable for both intermittent and continuous operation and can be installed on a DIN-rail. The D-UG 120 is certified for various safety standards and is used in applications such as power stations, chemical industry, refineries, cement plants, waste incinerators, steam generators, and heating plants.

Use Cases

  • Power stations
  • Chemical industry
  • Refineries
  • Waste incinerators
  • Steam generators
  • Heating plants
  • Hydrogen burner monitoring (100% H2 or H2-mix fuels)

Capabilities

  • Self-monitoring
  • Fail-safe control
  • Monitoring gas, oil and coal flames
  • LED display
  • Installation on DIN-rail
  • Analyses flame radiation via flame sensor signal
  • Outputs flame intensity as 0/4 ... 20 mA current
DURAG GROUP DURAG GROUP, a German gas analysis and measurement technology company, supports hydrogen purity monitoring through its subsidiary AP2E's ProCeas gas analyzers, which have been developing hydrogen industry solutions since 2015 and participated in the EU-funded MetroHyVe research project for controlling hydrogen purity per ISO 14687:2019. The ProCeas gas analyzer, based on patented OFCEAS (Optical Feedback Cavity Enhanced Absorption Spectroscopy) technology combined with low-pressure sampling (LPS), monitors trace-level impurities such as CO, HCHO, NH3, H2S, COS, and H2O at hydrogen refueling stations, providing real-time contaminant detection compliant with ISO 14687, EN 17124, ISO 19880, and Northern Lights CCUS specifications with no drift and no recalibration required. SGS France's laboratory in Harfleur uses ProCeas devices to monitor hydrogen purity for mobility applications (grade D, 99.97% purity), quantifying 14 different impurities from ppb to ppm levels in a single sample injection. DURAG GROUP also provides H2-ready combustion control and safety solutions including customized burners, igniters, flame scanners supporting up to 100% hydrogen fuel mixtures, and video/thermography monitoring systems for safe, reliable operation with complex and variable fuel mixtures.
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