Thomas Schwoerer

ZELTWANGER Leak Testing & Automation

4947 Fargo Street
SC 29418 North Charleston
United States

Innovative drive technologies require innovative production technologies. With our solutions in the field of leak testing, laser applications, and automation, we create the basis for efficiency, quality and safety in the production and use of fuel cell stacks, bipolar plates, and components. Proven technologies and a high degree of standardization - right down to modular and easy-to-integrate solutions - make us a driving force for the drive of the future. ZELTWANGER is a market leader for leak testing with air and detection gases, laser welding, laser marking, as well as assembly and functional testing systems. In addition to high-end devices and systems, we offer comprehensive solutions for analysis, consulting, adaptation, custom developments, software, process integration, and services. ZELTWANGER – we enable e-mobility.

Product Highlights:

Fuel cell systems are the future. This means it is important for the technology to mature from prototype to series production. ZELTWANGER enables this with highly automated solutions that can be flexibly adapted to the production conditions and batch numbers. Leak and functional testing of fuel cell stacks, their components, and auxiliary units is imperative to the efficiency and durability of the overall system. Our one-of-a-kind range of test devices, component-specific adaptations, and comprehensive services for analyses, training, and service make ZELTWANGER the perfect partner. Our highlights: - Leak Testing Devices - Leak Testing Systems - Automation - Laser system solutions


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  • Production
  • Safety, testing and certification
  • Machinery and plant engineering

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