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Stainless steel
in fuel cells
EXAMPLE OF APPLICATION

For the development of the fuel cell stack, test equipment which enables operation under near-real system
conditions is necessary. The DLR projects, builds and runs many such test benches in which compression
ferrule unions from EXMAR are used to supply the fuel cells with process gases.

Test bench for high-temperature fuel cells up to an electrical capacity of 10 kW and a max. temperature of 800°C.

"In our fuel cell test benches we use NC-compression ferrule unions from EXMAR. They are the best
solution for our specifications in terms of sealing, temperature resistance and handling.
We are also very happy with the price-performance ratio, the service and customer friendliness."
Dr. Michael Lang, Project Manager High-Temperature Fuel Cells, German Aerospace Center

© SERTO GROUP, Switzerland www.serto.com – www.exmar.de DLR Stuttgart Brennstoffzellen e.doc