VED performs the following special mechanical maintenance services:

Intervention on running plants:

• leaks sealing;
• hot tapping;
• safety valves testing.

Interventi con impianti in fermata:

• flange facing, milling, pipe cutting, journal turning, drilling, trepanning fine boring and reaming, line boring, grinding and polishing, stud drilling;
• on-site valve overhaul and repair service (onshore and offshore);
• tightening with hydraulic dynamometric key, bolt tensioning, monitoring of residual stress values with ultrasound waves;
• SGS Sealing Global Services: on-site maintenance service for under pressure application;
• fuggitive emissions control.