REALIZING INNOVATIONS TOGETHER

ZELTWANGER Group is your reliable partner in realizing innovative technologies and sophisticated products. Trust in expertise, precision, and dedication.

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Tradeshows and Events

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Careers at ZELTWANGER

We work together on exciting projects, supported by state-of-the-art technology and an excellent infrastructure. Experience a value-driven, family-oriented environment with plenty of room for creativity and personal responsibility. Apply now and help shape the future!

Careers at ZELTWANGER

News & Press

15. May 2025

New Leak Testing Solutions at the Battery Show 2025

From June 3 to 5, 2025, ZELTWANGER will present new methods and technologies for leak testing of battery cells and bipolar plates at the Battery Show Europe in Stuttgart.
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8. April 2025

ALUMINIUM BRAZING 2025: ASSEMBLY AND LEAK TESTING FOR HVAC&R

ZELTWANGER showcases assembly and leak testing solutions for aluminum heat exchangers in HVAC&R and automotive sectors at Aluminium Brazing 2025.
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25. March 2025

Leak testing as a service for bipolar plates

ZELTWANGER offers leak testing of bipolar plates and battery cells as a service for prototypes and small batches – with processes that can be transferred to scalable systems for series production at the customer site.
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19. March 2025

INTERPHEX 2025 – Leak Testing for the Biopharma industry

At INTERPHEX 2025 in New York, ZELTWANGER presents specialized solutions for integrity testing of sensitive products and packaging in the biopharma industry.
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11. March 2025

HANNOVER MESSE 2025 – Leak Testing for Hydrogen Technologies

ZELTWANGER presents leak testing solutions for bipolar plates at HANNOVER MESSE – from Testing-as-a-Service to fully automated testing systems.
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12. February 2025

New adaptive lubrication unit for fin forming machines

ZELTWANGER Thermomanagement GmbH & Co. KG has developed a retrofittable stand-alone lubrication unit that specifically increases the service life of the forming rollers in corrugated fin rolling machines.
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8. February 2024

TOGETHER AT HYDROGEN TRADE SHOW IN JAPAN

The German Fuel Cell Cooperation (GFC) will, for the first time, present its interface-tuned complete line for manufacturing metallic bipolar plates in Japan.
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20. September 2023

State Secretary Visits HY-FCELL Booth

Many industry professionals and the State Secretary of Baden-Württemberg, Dr. Patrick Rapp, visited our GFC booth to learn about the efficient production of bipolar plates.
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31. May 2023

TWO SUCCESSFUL TRADE FAIRS IN MAY

In May 2023, ZELTWANGER was represented at two trade fairs to present modern devices and systems for leak testing with air and tracer gases.
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1. April 2022

ZELTWANGER is the first official Blue Level Partner

On March 24, 2022, Harald Dickertmann of SCHUNK and Dr. Rüdiger Brockmann of ZELTWANGER signed the agreement for SCHUNK’s Blue Level Partner Program.
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Dichtheitsprüfgeräte von ZELTWANGER

Leak Testing Devices 
Built to Perform

The ZED Series: Leak testing devices and stations for advanced quality assurance. Precise, intelligent, and reliable – for efficient testing processes in laboratories and production.

Discover how ZED leak testing devices can optimize your testing workflows.

ZED Leak Testing Devices

The ZELTWANGER Group

Eight companies, six locations, three business areas, one common goal: With expertise and passion for technology, we create an innovation advantage for our customers. In doing so, we attach great importance to our common values and principles.

About us