1 Tube dimensions and specifications
1.2.1 → pipe open on both ends
No Yes 1.3 Pipe-bends present
No Yes 1.3.2 → pipe-bends with r = 1,5 x d
No Yes 1.3.3 → pipe-bends with r = 3 x d
No Yes 1.5 Horizontal and/or vertical pipes
... Horizontal vertical both 1.6 T-, Y-bends or bypass present
No Yes 1.7 Compensator present
No Yes 1.9 Reducer present or similar change of tube diameter
No Yes 2 What shall be inspected?
2.1 Surfaces of tubes
No Yes 2.2 Longitudinal welded seams
No Yes 2.3 Circular welded seams
No Yes 2.4 Cracks / faults
... Cracks faults 2.5 Weld reinforcement
No Yes 2.5.1 → Is the expected height of excessive reinforcement exceptionally large?
... No Yes 2.7 Rust / corrosion / pittings
No Yes 2.8 Product tailings / dirt traps
No Yes 2.9 Completeness check
No Yes 3 Which direction of view or optics is desired?
3.1 Direct view with wide angle
No Yes 3.2 Direct view with fisheye
No Yes