Nominal Tool Diameter |
12 to 36 in (now) |
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Seam Weld Inspection |
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Features Reported |
Manufacturing defects, lack of fusion, cracks in the long seam weld and cracks within two inches of weld |
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Detection Features - over 50mm long |
Minimum depth 0.25t |
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Detection Features - 25-50mm long |
Minimum depth 0.5t |
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Sizing - Detected Features |
Depth accuracy ± 0.2t Length accuracy ± 1 in (25 mm) |
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Crack Width |
Minimum 0.004 in (0.1 mm) |
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Pipe Body Inspection for Metal Loss/Mechanical Damage |
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Features Reported |
Axial metal loss, third-party damage, dents, gouges and dents with gouges or cracking |
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Detection - Features over 3t long |
Minimum depth 0.2t |
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Detection - Features less than 3t long |
Minimum depth 0.4t |
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Sizing - Detected Features Length >3t Length <3t |
Depth accuracy: ± 0.15t Length accuracy: ± 0.8 in (20 mm) ± 0.4 in (10 mm) |
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Metal Loss Width - Minimum |
Still being determined, less than 7 mm |
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Location Accuracy - Axial - Circumferential |
± 8 in (0.2 m) from reference weld ± 5° |
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Operating Specifications |
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Product |
Liquid and Gas |
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Active Range (varies with tool size) |
150 km (12 in) to 200 km (30 in) |
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Tool Speed |
0.4 to 9 mph (0.2 to 4 m/s) |
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Operating Temperature |
32 to 100 °F (0 to 40 °C) |
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Maximum Pressure |
220 bar |
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Smallest Bend Radius |
R=3xD |
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Wall Thickness for Full Specification |
Up to 0.5 in (13 mm) for 12 in Up to 0.6 in (15 mm) for 30 in |
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