Vigilant: Permanent Ultrasonic Monitoring of Steam Traps and Valves
Up to 30% of traps may be failed; a 3 mm leak can cost €6,000+/year. How SDT Vigilant delivers online diagnostics for critical traps and valves — European plant case (−25% steam loss, €120,000/year).
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Source. SDT Ultrasound materials on Vigilant and steam trap/valve failure prevention.
Why routes alone are not enough
Up to 30% of traps may be failed at any time. A ~3 mm leak can waste €6,000+ per year. Route surveys with SDT340 cover the fleet; the most critical 5–10% stay blind between rounds.
What Vigilant does
Vigilant provides up to 8 channels of ultrasound/vibration plus process inputs. A contact sensor on a trap or valve flags blow-through or blockage in real time.
European plant case
In the first six months:
- −25% steam losses;
- €120,000 annual energy savings;
- fewer emergency interventions.
Mobile ultrasound remains for the rest of the fleet. KEG TRK — contact.
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