The following non-destructive testing methods are used:

- X-ray radiographic testing
- Hydrostatic test
- Surface crack test
- Visual inspections
- Coating thickness measurement/test
- Ultrasound measurement/testing

The evaluation is carried out by our own personnel or by expert organisations commissioned by us.

Qualifications:
Welding engineers
Approved welders
Non-destructive-testing experts acc. To DIN EN 473
PT2, RT 2, VT 2