History

Representations world wide

A brief history of our company

Bertrams Heatec has been hot on innovation for the past 110 years. Here are some of the milestones in the chronicle of our company.

1894

Heinrich Bertrams set up his workshop in Basel to manufacture stovepipes, later diversifying into other sheet metal components for the plumbing trade. In 1920 Bertrams fabricated its first equipment for the chemical and heating industries.

1938-1949

In 1938 the era of thermal fluid systems began: Bertrams built the first plant in Europe for indirect process heating using an organic thermal fluid. Eleven years later the cornerstone was laid for the company´s alkali business: Bertrams received an order from France to build a plant which, for the first time ever, combined thermal fluid heating with the technology for concentrating caustic potash.

1958-1969

The first Bertrams installation on Asian soil was erected in India in 1958. Bertrams built the first plant using molten salts as thermal fluid in 1964 in Germany - a breakthrough into temperature ranges over 400 °C. In 1969 a Bertrams system in the Netherlands set a further temperature record with liquid sodium as thermal fluid reaching a temperature of 650 °C at an output of 50 MW.

1972

In 1972 Bertrams built the then largest high temperature central energy system, with a capacity of 75 MW and 300 tonnes of molten salts in circulation. The system was installed for the continuous digestion of bauxite in the aluminium industry.

1975-1988

Bertrams was the first European manufacturer to master the incineration of wastewaters polluted with salts and organics in a thermal fluid system. In 1978 Bertrams received ASME accreditation for its high quality fabrication. And in 1988 another world record: a thermal fluid system with the highest heating capacity ever was erected in Taiwan.

1993

Bertrams achieved ISO 9001 certification for quality assurance. This covers the entire value-added chain from project planning right through to the commissioning of a new plant. One year later, in 1994, Bertrams celebrated its 100th anniversary.

1995-1997

In the mid-1990s the basis for a holding company structure was set up. Bertrams acquired the German Konus-Kessel company. The Bertrams high temperature heating department became Bertrams-Konus Ltd. Switzerland. In 1997 a molten salts plant with a capacity of 31 MW at 460 °C was built in the Netherlands - the highest rating in the world for this kind of plant.

1999

The parent company was faced with financial difficulties, which did not, however, affect the subsidiaries Chemgineering and Bertrams-Konus Ltd. Switzerland. Bertrams Heatec Ltd. was launched as the legal successor company to Bertrams-Konus Ltd. Switzerland.

2000-2007

Bertrams Heatec built a thermal fluid system with an output of 32 MW in Germany, another in Iran with 58.2 MW capacity. There are now over 3,000 systems from Bertrams or Bertrams Heatec in operation throughout the world. And the success story continues.

2007-today

The Linde Group purchases Bertrams Heatec AG

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