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.

“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.”pumpindustry.com

• 1 source
• pumpindustry.com#Engineering – Page 3 – Pump IndustryFeb 20, 2026

Summarized from public sources; check the original articles before acting on it.