+40 years of experience
Apparatus engineering Made in Germany
Certified quality
According to international standards
100% customized
In use worldwide
Energy efficient & sustainable
Fit for H₂ & future energy
THIELMANN ENERGIETECHNIK GmbH
Your partner in the gas industry since 1981
- Dust filter
- Gas filter
- Tube bundle heat exchanger
- Dust liquid separator
- Pressure vessel
- Water bath heater
- Accessories
High pressure ratings, low and high temperature designs as well as unusual regulations and specifications are our expertise.
Our product portfolio
Thielmann Energietechnik GmbH in Kassel is your experienced partner for the filtration and preheating of natural gas and other technical gases, particularly in the high-pressure range from 6 to 300 bar and at temperatures of up to 500 °C.
With over 40 years of experience, Thielmann Energietechnik offers high-quality products and customized solutions that are precisely tailored to your requirements and contribute to the safety and efficiency of your gas system.
With over 40 years of experience, Thielmann Energietechnik offers high-quality products and customized solutions that are precisely tailored to your requirements and contribute to the safety and efficiency of your gas system.
Dust filter, gas filter
We clean your gas of dust particles!
Dust and liquid separator
We clean your gas from dust, liquids and oil mist!
Shell and tube heat exchanger
Gas preheating and cooling increases the efficiency of your systems!
Pressure vessels from GTS
Complete your system!
Instrumentation
and accessories
and accessories
We have the right accessories for your requirements
Sustainability, what do we do better
At Thielmann Energietechnik GmbH, sustainable energy technology is at the heart of our development. Our energy-efficient heat exchangers and systems help to conserve resources and permanently reduce CO₂ emissions.
Energy efficiency
Our heat exchangers significantly reduce energy requirements and increase system performance.
Conservation of resources
Regional supply chains and durable materials minimize transport and environmental impact
Innovation
Optimized processes and modern technologies combine economic efficiency with environmental awareness.
Gas filtration & preheating
Smart solutions for the
Gas industry
The THIELMANN ENERGIETECHNIK GTS
VEV/VEV-L heat exchanger
VEV/VEV-L heat exchanger
VEV (vertical) or VEV-L (horizontal) heat exchangers function as counterflow tube bundle heat exchangers in the standard version for gaseous media. The gas flowing through the tube side is heated by water or saturated steam flowing around the shell side.
From our references
Separator-Germany
Cell gas filters in biogas plants
Bandar Abbas (IR)
GDRA Schwandorf and Arresting
Final filters for systems for Siemens gas power plant
PtG sector coupling: H2 CHP Haßfurt
Az Zour Sabiya - Kuwait
Nord-Stream-Pipeline Vyborg (RU) - Greifswald (GER)
Staßfurt (GER)
Riyadh (SA)
Our worldwide references
Our references span all continents - from America to the Middle East and Asia, we have implemented over 1,500 projects. In close cooperation with energy suppliers, plant constructors and network operators, we realize tailor-made solutions for gas treatment, filtration and heat transfer. Each country highlighted in color on our world map represents successfully completed projects that meet the highest technical standards and demonstrate the performance of our systems.
Select a country and discover how our high-quality products are enriching the gas industry around the world. Here you will find an overview of the number of systems we have supplied. Rely on our experience and quality, which are valued globally in the gas industry.
References Germany
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
Device: VKOD Knock-Out-Drum
Device: VZA cyclone separator
Appliance: VH Waterbath Heater
References Switzerland
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
Device: VKOD Knock-Out-Drum
Device: VZA cyclone separator
Appliance: VH Waterbath Heater
References Sweden
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
Device: VSF - Cartridge filter
References South Africa
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
Device: VKOD Knock-Out-Drum
Device: VZA cyclone separator
Appliance: VH Waterbath Heater
References Romania
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
Device: VZA cyclone separator
Appliance: VH Waterbath Heater
References Saudi Arabia
Device: VSFA dust liquid separator
Device: VPF cartridge filter
Device: VZA cyclone separator
References Russia
Device: VSFA dust liquid separator
Device: VPF cartridge filter
Appliance: VH Waterbath Heater
References United Arab Emirates
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
Device: VKOD Knock-Out-Drum
Appliance: VH Waterbath Heater
References Bahrain
Device: VSFA dust liquid separator
Device: VPF cartridge filter
Device: VKOD Knock-Out-Drum
Appliance: VH Waterbath Heater
References Trinidad
Device: VSFA dust liquid separator
Device: VKOD Knock-Out-Drum
References Argentina
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Appliance: VH Waterbath Heater
References Austria
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
References Australia
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
References Latvia
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
Device: VZA cyclone separator
References Netherlands
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
Device: VZA cyclone separator
References Turkey
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
Device: VZA cyclone separator
References Vietnam
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VZA cyclone separator
References Mexico
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VZA cyclone separator
References Lithuania
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VZA cyclone separator
References Italy
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
References Syria
Device: VSFA dust liquid separator
References Jordan
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
References Qatar
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
References Taiwan
Device: VSFA dust liquid separator
Device: VKOD Knock-Out-Drum
References Pakistan
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
References Cameroon
Device: VSFA dust liquid separator
References Israel
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
References Bangladesh
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
References Belgium
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
Appliance: VH Waterbath Heater
References Germany
Device: VPF cartridge filter
References Brazil
Device: VSFA dust liquid separator
Device: VKOD Knock-Out-Drum
Device: VZA cyclone separator
Appliance: VH Waterbath Heater
References China
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
References South Korea
Device: VSFA dust liquid separator
Device: VPF cartridge filter
References Czech Republic
Device: VPF cartridge filter
References Denmark
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
References Egypt
Device: VSFA dust liquid separator
Device: VPF cartridge filter
Appliance: VH Waterbath Heater
References Estonia
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VZA cyclone separator
References Kuwait
Device: VSFA dust liquid separator
Device: VZA cyclone separator
References Ireland
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
Appliance: VH Waterbath Heater
References Luxembourg
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
References Malaysia
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
References Iran
Device: VSFA dust liquid separator
Device: VPF cartridge filter
References Morocco
Device: VSFA dust liquid separator
References Iraq
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
Device: VKOD Knock-Out-Drum
Device: VZA cyclone separator
Appliance: VH Waterbath Heater
References Nigeria
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
Device: VKOD Knock-Out-Drum
Appliance: VH Waterbath Heater
References Philippines
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VKOD Knock-Out-Drum
References Thailand
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VKOD Knock-Out-Drum
References Singapore
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
References Spain
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
References Slovakia
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
References Mozambique
Device: VPF cartridge filter
Device: VKOD Knock-Out-Drum
Appliance: VH Waterbath Heater
References Venezuela
Device: VSFA dust liquid separator
Device: VKOD Knock-Out-Drum
References Peru
Appliance: VH Waterbath Heater
References Norway
Device: VPF cartridge filter
References India
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
References Hungary
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
References United Kingdom
Device: VSFA dust liquid separator
Device: VEV tube bundle heat exchanger
Device: VPF cartridge filter
Appliance: VH Waterbath Heater
References Ghana
Device: VSFA dust liquid separator
Device: VKOD Knock-Out-Drum
Appliance: VH Waterbath Heater
References Libya
Device: VZA cyclone separator
Appliance: VH Waterbath Heater
References Finland
Device: VSFA dust liquid separator
Device: VPF cartridge filter
Device: VZA cyclone separator
References USA
Device: VPF cartridge filter
References France
Device: VSFA dust liquid separator
Device: VPF cartridge filter
History
2024
Stefan Sperhake, previously a sales engineer in the company, buys THIELMANN ENERGIETECHNIK GmbH through a management buy-out (MBO), takes over the management and secures the company's succession.
2015
GTS Thielmann Energietechnik GmbH becomes a private company through a "management buy-out"
2007
Itron (USA) takes over Actaris
2001
Actaris takes over the RMS Group from Schlumberger
1992 / 93
Schlumberger takes over J. B. Rombach, integration of J.B. Rombach into the RMS Group
1988
J. B. Rombach takes over Thielmann Energietechnik GmbH
1981
Foundation of the company Thielmann Energietechnik GmbH in the Gebrüder Thielmann AG Sechshelden (GTS) group of companies
until 1981
VAUTEA plant engineering
© THIELMANN ENERGIETECHNIK GmbH - 2026
