White paper

Sustainability of sealing technologies for hydrogen flanges

Green hydrogen is increasingly seen as a cornerstone of global decarbonization efforts and a vital contributor to achieving net-zero emissions by 2050, particularly in hard-to-abate sectors. However, its scalability faces critical challenges related to safety, environmental impact, and efficiency - challenges intensified by hydrogen’s flammability and permeability.

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Green hydrogen offers great potential as a path towards decarbonization

Green hydrogen: A pathway to sustainable future

This white paper examines how Henkel and its innovative LOCTITE^® branded sealing solutions address these issues, enhancing system integrity and performance in hydrogen applications. It presents a comparative analysis of mechanical gaskets and anaerobic sealants, highlighting the environmental, technical, and economic benefits of anaerobic sealants in flanged connections found in equipment such as valves, pumps, and compressors. The findings emphasize the importance of selecting appropriate sealing technologies tailored to hydrogen-specific conditions to ensure safe, efficient, and sustainable operations.

Key insights

LOCTITE solutions enhance the safety, environmental performance, and efficiency of hydrogen systems
Anaerobic sealants offer significant advantages over traditional mechanical gaskets in flanged connections found in hydrogen equipment such as valves, pumps, and compressors.
It is crucial to account for operating conditions and ensure material compatibility with hydrogen to maintain safety and reliability

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Sustainability of sealing technologies for hydrogen flanges

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Green hydrogen: A pathway to sustainable future

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