LJUNGSTRÖM is shaped and driven by a diverse team of highly skilled and experienced industry professionals, with a shared dedication to finding the very best solutions for our customers. Our leaders are innovators, creative thinkers, and pioneers, who have been breaking new ground in energy recovery and air preheater technology for decades.
Built on research, experience and a dedication to finding the very best solutions for our customers
At LJUNGSTRÖM, there is a strong thread that connects our history to our research and development. Anyone who’s ever created something out of nothing knows it takes hard work and an understanding of the industry needs. It’s not just about how a product works; it’s about how it affects operations as a whole. Our research and development activities enable us to develop innovative solutions that find ways for us to take the industry to the next level and unleash the power of the air preheater.
For over ninety years, LJUNGSTRÖM is known as a world leader in energy recovery equipment and technology. Since the very beginning, we have aimed to push the boundaries and remain at the forefront of what we do.
As pioneers of air preheater technology and gas-gas heater systems, we are constantly evolving, adapting and refining our products, systems, components and technologies to deliver optimal performance and enhanced efficiency to the hydrocarbon processing industry and the thermal power plant.
Our six, digitally connected, global manufacturing facilities provide a range of cutting-edge equipment and processes and are continually upgraded to meet the changing demands of our customers.
We use the latest technological innovations to deliver superior products that add real value to your operation.
We invest heavily in research and development so that we can continually adapt and meet the needs of our industry – now and in the future. We have never been afraid to challenge traditional design and manufacturing processes to unlock brand new solutions and, as a result, our breakthrough technologies are always advancing. Each new iteration of an element, component or product builds on the last, enhancing its best features and delivering optimized performance.
LJUNGSTRÖM is owned by funds advised by Triton. Triton is an international investment firm, founded in 1997. The company seeks to contribute to building better businesses for the longer term through partnership.
Triton invests in medium-sized businesses with management located in Europe that fall within the Industrial, Business Services and Consumer/Health sectors.
Triton funds’ approximately 180 investors include, among others, pension funds, sovereign wealth funds, insurance companies and endowments. Triton includes environmental, social and governance criteria into investment considerations and decision-making processes which help to capture long-term value.
Since its founding, Triton has completed more than 70 investments and supported more than 260 acquisitions.
For more information, please visit: www.triton-partners.com
Our position as industry leaders is a direct result of our commitment to customer satisfaction, as well as our ongoing dedication to developing advanced technology that meets our customers’ needs
We can refurbish existing equipment, replace components, or upgrade your entire system to restore the thermal efficiency and leakage control of your operation to better than new.
Upgrade to the Ljungstrom® Air Preheater and the Ljungstrom® Gas-gas Heater to boost the performance and efficiency of your operation.
Enhance your processes with our industry preferred auxiliary systems and state-of-the-art technologies.
We offer multiple configurations, to suit your space and setup.
Hassle-free replacement of your full air preheater unit, with a unique drop-in design that attaches directly to existing support foundations.
Replacement of heating elements
Replacement of rotor components that have become worn over time
Auxiliary system parts (drive, bearings, etc)
Our technical service specialists and engineers, along with our authorized partners, will carry out world-class inspections of every element and component within your operation and provide a detailed report. Inspections can include:
Heating element basket review and recommendations
Rotating component life assessment
Condition assessment of sealing system and drive system
Shaft position and bearing inspection
Cleaning system efficiency evaluation
Assessment of operating parameter and performance
Remote Visual Inspection – Utilizing the latest aerial robotic technologies
Offering unique benefits during both hot and cold commissioning
Multiple ways to reduce leakage
Load-following leakage control systems
We’ll work closely with you to create a tailored maintenance plan, including recommendations for work to be carried out during planned outages. We will carry out an initial condition assessment and provide a detailed report, with recommendations that are tailored to you and your operation. This includes labour and resource planning, repairs, upgrades, replacement parts and installation services.
We have a responsive team of expert technical service specialists and engineers who are the best in their fields. They are available to diagnose and repair any problems on-site, every day of the year, to help you optimize the operation and reliability of your equipment.
Starting in 1923, when Fredrick Ljungström developed the world’s first air preheater to our newest power plant improvement, the AdvX® Heat Recovery Technology, we have continuously improved our products and services to bring innovations to market.
With over 15,000 Ljungström® Air Preheaters installed globally – 3x as many than other companies – we have grown to be the most significant and largest provider of air preheater technology, the history of our company is the history of the air preheater.
In the 1970s, our team of engineers developed our cutting-edge air preheater into a powerful gas-gas platform, and our world-leading of Ljungström® Gas-gas Heater systems have been operating in coal and oil-fired plants and industrial markets around the world ever since.
LJUNGSTRÖM combines the resources of the leading names in our industry, including SRM, Air Preheater Company, Kraftanlagen, Gadellius, Stein, PBS, and APEL.
Our proven performance, reliability and commitment to ongoing innovation have enabled us to maintain our reputation as the industry experts in air preheater and gas-gas technology.
Frederik Ljungström of AB Ljungström Ǻngturbin (ALǺ) in Stockholm, Sweden invents and patents the Ljungström® Air Preheater1920
The first commercial ‘land’ boiler installation of a Ljungström® Air Preheater by ALǺ is installed in a chocolate factory in Stockholm, Sweden1922
ALǺ’s first installation in USA was manufactured in Wellsville for installation at the International Paper Company of Niagara Falls, New York, USA1923
The first element profile sheet pair using undulated sheets was introduced – the Ljungström® NU (Notched Undulated)
Gadelius becomes a licensee of ALǺ and starts manufacturing air preheaters in Kobe, Japan1927
The USA great depression lead ALǺ to sell Air Preheater Corporation (APC) to the Superheater Company of America1933
Kraftanlagen Aktiengesellschaft in Heidelberg, Germany becomes a licensee of ALǺ1934
The start of World War II changed normal business. Air Preheater Corporation (APC) in the USA supported the fabrication of boiler casings for Liberty ships, cargo vessels, aircraft carriers and destroyers – for a total of 1,500 steam generating units for the U.S. Maritime Commission1941
Air Preheater Corporation (APC) was presented the U.S. Maritime “M” award in recognition of outstanding achievement in the Commission’s shipbuilding program during WWII1943
Air Preheater Corporation (APC) and The Superheater Company merged with Combustion Engineering Company, Inc. (CE)1948
The Ljungström® NF6 and Ljungström® NF3.5 profiles were introduced1957
Howden becomes a licensee of Air Preheater Company for V and H Ljungström® technology which was to last through to late 1990s1957
The Ljungström® DU (Double Undulated) and Ljungström® CU (Corrugated Undulated) profiles were introduced1959
Air Preheater Corporation introduced the Ljungström® 2.78DU element, now more commonly known as DU3f and HS71962
Air Preheater Corporation uses the first enamel coated heating element used on an Ljungström® Air Preheaters1962
On February 24th APC changed its name to Air Preheater Company Inc.
První Brněnská Strojírna (PBS) in Czech Republic becomes a licensee1965
A total of 10,000 Ljungström® Air Preheaters are now delivered around the world1965
Stein Industrie in France becomes a licensee of SRM1967
Air Preheater Company introduced the first Tri-sector Ljungstrom® Air Preheater1969
Air Preheater Company introduced the first Modular rotor design1974
Air Preheater Company installs the World’s 1st Ljungström® FGD GGH for a sintering furnace of Nippon Kokan, Japan1976
Air Preheater Equipamentos Ltd was established in Brazil1977
Air Preheater Company installs 1st commercial Ljungstrom® GGH for a Utility Power Plant to Chugoku EPCo in Shimonoseki, Japan1979
Air Preheater Company sign a 15-year license with China Machine Building International Corporation (CMIC) and China National Electrical Equipment Corporation (CNEEC)1980
The Harbin, Dong Fang, and Shanghai boiler companies start to use the Ljungström® Air Preheater design on domestic boiler installations1981
1st German Ljungström® FGD GGH went into operation in Wilhelmshavan Power Plant1982
The Ljungström FNC® heating element were introduced1982
1st high dust Ljungström® SCR GGH in the world is installed by Kraftanlagen in Germany
Asea Brown Boveri Ltd. (ABB) acquires the power business of Gadelius K.K.1988
ABB acquires Air Preheater Company and Combustion Engineering, Inc. and ABB Air Preheater Inc. was formed1990
The power business of Gadelius K.K. renamed to ABB Gadelius K.K.1992
ABB Air Preheater Inc. granted its 1st Ljungström® air preheater patent in China1994
The Ljungström® APH becomes the 44th International Historical Mechanical Engineering Landmark by the American Society of Mechanical Engineers (ASME)1994
ABB acquire the air preheater business of Kraftanlagen Abgastechnik GmbH, in Bammental, Germany1995
ABB Air Preheater Inc. acquire all intellectual property rights and assets to the Ljungström® Air Preheater technology from SRM in Sweden1997
The Ljungström DNF® and Ljungström DUN™ advanced heating element profiles were introduced1997
Environmental retrofits of SCR systems begin in USA1997
Harbin Boiler Company Ltd sign a new 10-year license1998
ALSTOM acquire sole ownership of the ABB Power business2000
Delivery begins of 26 Ljungström® APHs on 13 boilers at the 5,200MW Shoaiba Power Plant in Saudi Arabia
The oldest known operating Ljungström® Air Preheater is retired after 83 years of operation at the Fitchburg Paper Company in Massachusetts, USA2009
Over 15,000 Ljungström® APH & Ljungström® GGH have been installed worldwide, including those by licensees, establishing a 300% larger installed base than any other supplier2011
ALSTOM establishes an air preheater office in Delhi, India and a new manufacturing facility in Shahabad, India2011
ALSTOM installs 4 of the world’s largest size 36 tail-end Ljungström® SCR GGH at the 1135MW Oak Creek power plant in USA2012
LJUNGSTRÖM, as a division of ARVOS Group, separates from ALSTOM2014
Ljungström® DN8™ Heating Element were introduced2016
Ljungström® TF4™ Heating Element were introduced2017
LJUNGSTRÖM opens a new office in Poland2017
LJUNGSTRÖM expands into new advanced manufacturing factories in Chennai, India and Nantong, China and opens new offices in Australia2018