N.P Inspection Services

NOPIG® PIPELINE INSPECTION SYSTEM
TECHNICAL SPECIFICATIONS

EU patent: EP 1075 658 B1 US patent: US 6 501 266 B1
US patent: US 6 727 695 B2

Nominal pipeline diameter	3” to 16”
Pipeline wall thickness1)	max. 10 mm
Depth of pipe (coverage)	max. 2 m
Pipeline inspection current	16 A eff
Length of inspection between
two contacting points	max. 1000 m
Inspection length per day2)	up to 750 m
Defect specifications ( POD > 96% ):
Length	min. 50 mm
Width	min. 50 mm
Peak depth	min. 50% of wall thickness
Defect detecting	> 20% metal loss
Depth resolution	≤ 20 mm