Pipe Explorer Robots and Sensors Specifications

Pipe Explorer Robot Features & Specifications

Pipe Explorer 6

6 inch diameter
  • Pipe Diameter: 6″
  • Rated Pressure: 750psi
  • Self-Propelled Inspection Speed: 20ft/min
  • Bypass: 25%

Pipe Explorer 6
  • MFL Metal Loss Sensor
  • LDS Deformation Sensor
  • Bi-Directional
  • Tetherless
  • Inline Charging
  • Video
  • Vertical Segment
  • Back-to-back elbows
  • 45° Mitered Bend
  • Valve (full port)
  • Tee (barred or unbarred)
  • Data Collection in 1.5D Bends

Note: Pipe Explorer 6 uses a different launch/receive fitting than the rest of the Pipe Explorer fleet. Please contact our team for more details.


Pipe Explorer 8

8 inch diameter
  • Pipe Diameter: 8″
  • Rated Pressure: 750psi
  • Self-Propelled Inspection Speed: 20ft/min
  • Bypass: 25%

Pipe Explorer 8
  • MFL Metal Loss Sensor
  • LDS Deformation Sensor
  • Bi-Directional
  • Tetherless
  • Inline Charging
  • Video
  • Vertical Segment
  • Back-to-back elbows
  • 45° Mitered Bend
  • 90° Mitered Bend
  • Valve (full port)
  • Tee (barred or unbarred)
  • Data Collection in 1.5D Bends (TBD)

Pipe Explorer 10/14

10-12 inch diameter
  • Pipe Diameter: 10", 12", 14"
  • Rated Pressure: 750psi
  • Self-Propelled Inspection Speed: 20ft/min
  • Bypass: 25%

Pipe Explorer 1014
  • MFL Metal Loss Sensor
  • LDS Deformation Sensor
  • Bi-Directional
  • Tetherless
  • Inline Charging
  • Video
  • Vertical Segment
  • Back-to-back elbows
  • 45° Mitered Bend
  • 90° Mitered Bend
  • Valve (full port)
  • Tee (barred or unbarred)
  • Data Collection in 1.5D Bends

Pipe Explorer 16/18

16-18 inch diameter
  • Pipe Diameter: 16", 18"
  • Rated Pressure: 750psi
  • Self-Propelled Inspection Speed: 20ft/min
  • Bypass: 50%
Pipe Explorer 1618
  • MFL Metal Loss Sensor
  • LDS Deformation Sensor
  • Bi-Directional
  • Tetherless
  • Inline Charging
  • Video
  • Vertical Segment
  • Back-to-back elbows
  • 45° Mitered Bend
  • 90° Mitered Bend
  • Valve (full port)
  • Tee (barred or unbarred)
  • Data Collection in 1.5D Bends

Pipe Explorer 20/26

20-26 inch diameter
  • Pipe Diameter: 20", 22", 24", 26"
  • Rated Pressure: 750psi
  • Self-Propelled Inspection Speed: 20ft/min
  • Bypass: 50%
Pipe Explorer 2026
  • MFL Metal Loss Sensor
  • LDS Deformation Sensor
  • Bi-Directional
  • Tetherless
  • Inline Charging
  • Video
  • Vertical Segment
  • Back-to-back elbows
  • 45° Mitered Bend
  • 90° Mitered Bend
  • Valve (full port)
  • Tee (barred or unbarred)
  • Data Collection in 1.5D Bends

Pipe Explorer 30/36

30-36 inch diameter
  • Pipe Diameter: 30", 32", 34", 36"
  • Rated Pressure: 750psi
  • Self-Propelled Inspection Speed: 20ft/min
  • Bypass: 50%
Pipe Explorer 3036
  • MFL Metal Loss Sensor
  • LDS Deformation Sensor
  • Bi-Directional
  • Tetherless
  • Inline Charging
  • Video
  • Vertical Segment
  • Back-to-back elbows
  • 45° Mitered Bend
  • 90° Mitered Bend
  • Valve (full port)
  • Tee (barred or unbarred)
  • Data Collection in 1.5D Bends

Pipe Explorer Sensor Specifications

Specifications of Magnetic Flux Leakage Sensors

General Metal Loss Sizing SpecificationNominal PipeCase Pipe
Depth at POD = 90%0.10t0.20t
Depth Accuracy (80% confidence)± 0.10t± 0.20t
Width Accuracy (80% confidence)± 0.75 inches
± 20 mm
± 1 inches
± 25 mm
Length Accuracy (80% confidence)± 0.5 inches
± 12 mm
± 0.75 inches
± 20 mm
  • t = wall thickness
  • Detection threshold and sizing accuracy in bends are unspecified
  • Detection threshold increases to 0.15t and depth sizing accuracy degrades to ±0.15t in seamless pipe
  • Depth sizing accuracy degrades to ±0.20t near girth welds or in heat affected zones

Specifications of Laser Deformation Sensors

Dent Sizing SpecificationExplorer 8, 10/14,
16/18, 20/26, 30/36
Explorer 6
Depth at POD = 90%1% of pipe nominal OD2% of pipe nominal
Depth Accuracy (80% confidence)± 1% of pipe nominal OD± 2% of pipe nominal OD
Width Accuracy (80% confidence)± 2 inches
± 50 mm
± 2 inches
± 50 mm
Length Accuracy (80% confidence)± 1 inches
± 25 mm
± 1 inches
± 25 mm

Downloadable versions of Pipe Explorer specifications are available via the Unpiggable MFL Robotic Inline Inspection Services Page.