# Miyairi Valve to invest ¥900 million to automate high-pressure gas valve production at Kofu plant

Miyairi Valve Manufacturing's board approved about ¥900 million to automate production of high-pressure gas container valves at its Kofu Plant in Yamanashi, with operations starting sequentially from August 2028.

- Type: Expansion
- Announced: 2026-09-24
- Where: Kofu Plant, Minami-Alps City, Yamanashi Prefecture, Japan
- Value: $6.00M (900.0M JPY)
- Status: announced
- Products: high-pressure gas container valves
- Sectors: [Pumps and Valves](https://endata.com/sectors/pumps-valves.md), [Automation and Robotics](https://endata.com/sectors/automation-robotics.md)

## Companies

- [Miyairi Valve Manufacturing](https://endata.com/companies/14733.md)

## Sources

- [note.com](https://note.com/sankituushin/n/n682acbc1d9b3?hl=en), 2026-09-24: "The total investment amount is approximately 900 million yen."

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