# Greene Tweed reports record-speed composite impeller for hydrogen compression

Greene Tweed reported successful testing of a composite closed impeller for large centrifugal hydrogen compressors, reaching a tip speed of 688 m/s, nearly double that of metallic impellers.

- Type: Product launch
- Announced: 2025-12-19
- Status: completed
- Products: composite closed impellers, centrifugal hydrogen compressors
- Sectors: [Industrial Machinery](https://endata.com/sectors/industrial-machinery.md)

## Companies

- [Greene Tweed](https://endata.com/companies/14035.md)

## Sources

- [pumpindustry.com](https://pumpindustry.com/tag/engineering-2/page/3/), 2026-02-20: "Greene Tweed has reported a major advance in hydrogen compression technology with the successful testing of a composite closed impeller that reached a record tip speed of 688 m/s."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.