Welcome to the DURAG, Inc. website

The most comprehensive information source for combustion instrumentation and environmental monitoring equipment.

Our products are designed to meet the needs of your installation.

They feature:

  • Solid construction for long-life and minimal maintenance
  • Compact designs will fit easily into your existing plans and reduce the number of equipment purchases
  • Excellent customer support from our engineers keeps your installation in operation
  • Easy installation lets your employees get the equipment operating promptly
  • Our self-checking equipment ensures your facility is running safely


National Headquarters
1355 Mendota Heights Rd., Suite 200
Mendota Heights, Minnesota 55120 - USA
Voice: (651) 451-1710 Fax: (651) 457-7684
Toll Free: (800) 811-9852

Environmental Monitoring

The DURAG GROUP develops and manufactures products in the field of environmental measuring technology for measuring and monitoring Dust concentration and opacity, Total mercury concentration, Flue gas volume flow, as well as evaluation systems for the calculation of emissions.

Combustion Controls

The DURAG GROUP's products support all types of industrial combustion processes throughout the world. These include, for example, fossil fuel power stations, plants in the chemical industry, refineries, cement plants, waste incinerators, steam generators thermal power plants and gas turbines.

Pilot Burners & Burner Products

Hegwein Pilot Burners and Burners are available to meet the needs of your installation. Our sales offices will be happy to discuss your application and find the best model to meet your requirements.