Кейс22 июля 2026 г.
SDT340 Case: Surveying 400+ Steam Traps Across a Campus in Two Days
SDT case: a private school steam heating system — 400+ traps surveyed with an SDT340 in two days. 64% healthy, 3% failed open, 3% failed closed, 15% early wear. Photos from the survey.
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Source. SDT Ultrasound case: annual school steam heating survey during holidays.
Mission
Campus steam heat with 400+ traps across buildings. Goal: prove traps are healthy before the cold season.
Method
An SDT technician finished the fleet in two days with an SDT340: upstream check, trap/downstream ultrasound, spot radiometer for failed-closed suspects.
Report
| State | Share |
|---|---|
| Healthy | 64% |
| Out of service | 15% |
| Failed open | 3% |
| Failed closed | 3% |
| Early degradation | 15% |
Takeaway
Large fleets are surveyable with handheld ultrasound in a few shifts. Ultrasound + temperature covers both failure modes. See the survey method. KEG TRK — demo request.