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DR-4
Pipeline Mapping
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The DR-4 has proven to be the most versatile and unique multi-purpose pipeline mapping system.

With a proven track record on every continent and in most pipeline segments, this multi-diameter system has easy handling features and provides the most accurate positional data location.

A unique system of exchangeable centralizing wheel sets gives the DR-4 an operational range of ID90mm (3.5") to ID1500 (60"). Whether the pipeline is made of steel, concrete, PE or PVC, this mapping system will improve any HDD implementation procedure.

A selection of invert wheel sets are available to map pipes with tight access and/or lateral feeder lines.

Key Operating Features


  • Large diameter range
  • Unaffected by magnetic influences
  • No lengthy calibration or roll test required prior to use
  • Adaptable fittings for bespoke survey situations
  • Water resistant up to 5 bar / 75 psi
  • Data output compatible with most software programs