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Reason for
selection:
DCHE is a heat
exchanger made of several hundred stainless steel plates, each with flow passages etched, which are securely diffusion-bonded for unification. DCHE has excellent pressure and temperature resistance and is gaining popularity for uses on offshore facilities with restricted space where compactness is
required and in high-pressure and severe operating environments.
One of the applications is gas condenser for the compressor of a hydrogen station and gas condenser for the hydrogen dispenser. Compactness is a very important factor since it is
necessary to efficiently cool hydrogen of approximately 800 atm with water and coolant, and DCHE is installed in the premises of a gasoline station. In addition, the Heat Exchanger must have strong resistance against hydrogen embrittlement since high-pressure hydrogen is handled. DCHE, made of
SUS316L with increased Ni content, has created new demand for stainless steel and is considered to be a device to further hydrogen society.
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