株式会社グッドマン has begun developing the large hydrogen-based tracer gas generator “HT-300,” which can be used to investigate water pipe leaks even while water service is suspended. The company is targeting a gas generation rate of 300 L/min, completion of a prototype in early November 2026, and a sales launch in early 2027.
Leak investigations of water and distribution pipes during disasters; investigations of sections connected to important facilities such as hospitals, dialysis facilities and evacuation shelters; measures for aging pipes
Target gas generation rate of 300 L/min (approximately 5 times the 60 L/min of the current largest model, HT-67)
株式会社グッドマン is a consolidated subsidiary of THE WHY HOW DO COMPANY株式会社
In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.
Ministry of Health, Labour and Welfare, “White Paper on Health, Labour and Welfare 2024”; Ministry of Land, Infrastructure, Transport and Tourism materials; Goodman research (as of September 2026)
| Item | Details |
|---|---|
| Names of Products / Services Covered | Large hydrogen-based tracer gas generator “HT-300” |
| Relationship with the Company | 株式会社グッドマン is a consolidated subsidiary of THE WHY HOW DO COMPANY株式会社 |
| Launch date | Early 2027 (target sales launch; exact timing undecided) |
| Applicable area | Leak investigations of water and distribution pipes during disasters; investigations of sections connected to important facilities such as hospitals, dialysis facilities and evacuation shelters; measures for aging pipes |
| Quantitative Effects | Target gas generation rate of 300 L/min (approximately 5 times the 60 L/min of the current largest model, HT-67) |
| Source | Ministry of Health, Labour and Welfare, “White Paper on Health, Labour and Welfare 2024”; Ministry of Land, Infrastructure, Transport and Tourism materials; Goodman research (as of September 2026) |
These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.
To quickly fill trunk and distribution pipes with tracer gas during disasters, thereby accelerating leak investigations and the start of repairs on sections connected to hospitals, dialysis facilities, evacuation shelters and other sites.