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2009

Impact of Hydrogen and on NTS Oils & Greases – Phase 2

Abstract

Phase 1 of the project compiled a list of oils and greases considered to be gas-facing on the NTS, along with identifying functional and material property requirements of these products. Proposed standards and testing methodologies were also outlined to inform the next phase of the project. In Phase 2, the project will proceed with additional required activities to ensure the safe utilisation of NTS oils/greases in a hydrogen pressurised environment. These activities include laboratory testing for lubricants and functional testing for sealants to assess degradation and performance of these products in hydrogen. Subsequently, requirements for in-service monitoring will be identified.

The project aims to support the repurposing of the UK’s National Transmission System (NTS) for hydrogen by addressing uncertainties around the degradation of oils and greases in pressurised hydrogen environments. Phase 1 identified gas-facing lubricants and sealants outlined their functional requirements, and proposed testing standards. Phase 2 will build on this by conducting laboratory and functional testing to evaluate degradation and performance. It will also define in-service monitoring requirements and approval process.

file format pdf download NIA_NGT0268_Impact_of_Hydrogen_on_NTS_Oils_Greases_Phase_2.pdf
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2025-09-01
2025-10-10
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