June 2012

Valves 2012 Supplement

Update on valves used in hydrogen service

Recommended practices can better scrutinize performance issues such as design, packing and metallurgy to mitigate failures.

Sequeira, T., Tyco Flow Control

Processing of heavier crude oil, stricter environmental regulations and detrimental effects from impurities on very expensive refinery assets are increasing the use of and demand for hydrogen. The main hydrogen-consuming refinery processes are hydrotreating to remove sulfur and hydrocracking to convert heavy hydrocarbons and create higher-value fuels. For valve makers, this has increased demand for specialty materials, treatment procedures and zero-leakage performance. Adding further impetus to this demand are rigorous new US and German regulations regarding fugitive emissions and resulting industry and corporate standards. From the metallurgy side, manufacturers must consider the advers

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