The DURAG GROUP is a leading supplier, developer and manufacturer of products for combustion systems in commercial and industrial plants, environmental monitoring and traffic sensors.

Our products are used throughout the power generation and process industries; for example in fossil fuel power plants, waste incinerators, refineries, chemical plants, cement plants, steel plants and filtering systems. We also serve as consultants for plant operators, design and engineering companies, construction companies and systems integrators.

Flame monitors, burner controls, igniters and online spectroscopy

Our products for combustion systems include:

  • Flame monitors
  • Burner controls
  • Electrical spark igniters
  • Igniters for flares
  • Gas/oil igniters and burners
  • Video monitoring of combustion chambers with digital image processing
  • Online spectroscopy of coal-fired and process applications

Dust concentration monitors, air, filter and flow monitors, mercury analyzers and traffic sensors

Our products for emission and ambient monitoring include:

DURAG’s D-R 290 opacity / particulate matter monitor uses an optical transmission method.
DURAG’s D-R 800 particulate matter monitor uses a forward-scattering method.
DURAG’s D-FW 230/231 particulate matter monitor / filter watch utilises the triboelectric effect.
The DURAG D-LX 200 compact flame monitor for selective and failsafe flame monitoring.
To enable safe ignition of every type of fuel the DURAG GROUP offers a wide range of products, from portable spark igniters to HEGWEIN’s gas, oil and dual-fuel igniters.
  • Optical opacity and dust concentration monitors (transmission and scattered light)
  • Dust concentration monitors for wet gases
  • Ambient air monitors
  • Tribo-electric filter monitors
  • Flow monitors (ultrasonic and differential pressure)
  • Mercury analyzers
  • Emission and process data management systems including CDM and JI Projects
  • Traffic sensors

ISO-certified combustion system components

We are committed to the highest standards of quality. To ensure this, DURAG is ISO 9001 certified. We manufacture equipment according to all relevant German and international standards, including US EPA, Underwriters Laboratory (UL), Factory Mutual (FM) and SIL3.

Combustion control system and environmental monitoring components

DURAG GROUP products are rugged and versatile, use state-of-the-art circuitry and satisfy the highest safety demands for use in combustion control systems and environmental monitoring.

DURAG GROUP, the home of the companies DURAG, DURAG data systems, DURAG process & systems technology, HEGWEIN, SMITSVONK and VEREWA, is backed by over 60 years’ experience in the market. Our products are made in Germany according to the highest standards in design and workmanship.

Worldwide sales and service

To offer the best possible service for our customers DURAG GROUP has a worldwide distribution and support network, including branch offices in France, the UK, India, Japan and US. Our products are installed in applications worldwide.