Hartmann Valves
Hartmann Valves GmbH
Burgdorf-Ehlershausen, Germany
About
Founded in 1948, Hartmann Valves is a private headquartered in Burgdorf-Ehlershausen, Germany specializing in Geothermal, Hydrogen, Other.
Hartmann Valves GmbH is a leading German manufacturer of ball valves, pig valves, and borehole completions serving the renewable energy, geothermal, oil and gas, and petrochemical sectors. The company specializes in API 6A-compliant wellheads and high-performance components designed for extreme temperatures (-200°C to 550°C), high pressures (up to 690 bar), and demanding environmental conditions. Key applications include deep geothermal energy, hydrogen storage in salt caverns, lithium extraction, and renewable energy infrastructure. All design, assembly, and testing are performed in-house at facilities in Celle and Burgdorf-Ehlershausen. The company offers comprehensive services including consulting, custom component development, installation, and 24/7 maintenance support. Notable projects include the Eavor-Loop closed geothermal circuit, Munich Deep Geothermal Energy systems, and Zero Carbon Lithium extraction using geothermal resources.
Headquarters
Burgdorf-Ehlershausen, Germany
Founded
1948
Company Type
Private
Business Models
Value Chain
Products
API 6A Wellheads
Kelly Valves
Ball Valves
Hydrogen Storage Cavern Systems
Projects
Zero Carbon Lithium
Eavor-Loop
Munich Deep Geothermal Energy
Germany's Deepest and Most Productive Borehole
Certifications & Awards
Certifications
API 6A
API 7-1
ISO 9001:2015