PDI reference blocks - Sonaspection

PDI (Performance Demonstration Initiative)

Reference blocks for advanced calibration of inspection equipment prior to performance demonstrations and inspection of pipe welds in the power generation industry.

Our in-depth knowledge of non-destructive evaluation (NDE) and performance demonstration provides a unique insight into the requirements of these specialty reference blocks.

We offer a range of blocks, including:

2” Circumferential

2” Contour

4” Circumferential

4” Contour

6” Axial

6” Contour

8” Axial

8” Circumferential

12” Pipe segment

12”-24” Contour

24” Pipe segment

All our PDI blocks are:

Machined to exact standards

Manufactured from ultrasonically clean steel

Supplied with a CAD drawing

Uniquely numbered

Customized versions of these blocks and PDI alternative ASME calibration blocks are also available on request.