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Hydrogen

It is estimated that worldwide there will be a need for 15,000miles of new pipelines to transport Hydrogen gas by 2030. There is an increasing supply of green hydrogen from renewable clusters and blue hydrogen from reformed natural gas where the CO2 is sequestered.  Some may be repurposed existing gas infrastructure but that is not without its challenges.

Conventional steel pipelines suffer from the risk of hydrogen embrittlement reducing their safe working life. Hydrogen embrittlement may occur whenever atomic hydrogen is exposed under higher pressures than about 20bar to steel – especially girth welds and this will occur if there is moisture present in the pipeline.

MASiP is the solution to this problem. It has a polymer layer which provides the fluid containment vessel. Hydrogen can only get to the steel reinforcement by permeating through the polymer layer and then will only be at very low pressures below 3bar or ambient with a venting system.

masip-pipe-layers
HyNTS

MASiP has completed more than a year of testing in Hydrogen gas at concentrations up to 100% and pressures up to 80bar under pressure cycling fatigue conditions as part of a program with National Grid in the UK

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