6″ – 8″ Hydraulic Wedge Mandrel – Non Powered



  • pipe roller cradles Darby Mandrels are adjustable for any wall thickness within specified mandrel range and most have the capability to cover two pipe sizes using a conversion kit.
  • pipe roller cradles Darby uses high-strength alloys in construction.
  • pipe roller cradles Long wedges reduce the need for shimming.
  • pipe roller cradles Slide locks pull the belly of the mandrels up to eliminate drag in the pipe.
  • pipe roller cradles Mandrels are equipped with filters, lubricators, regulators and valves that are all rated to 250 psi (17.24 bar).
  • pipe roller cradles Tapered wheels greatly reduce rolling.
  • pipe roller cradles Powerful oversized cylinders provide maximum force.
  • pipe roller cradles Mandrels are operated remotely by reach rod.
  • pipe roller cradles Remote operated by reach rod

Technical Specifications:

Length 62″ (1,549 mm)
Width 7″ (175 mm)
Height 8″ (203 mm)
Weight 185lbs (84 kg)
Air Motor Non-Powered
Cylinder 3 1/4″ (79.4 mm)
Working Air Pressure 300-500 psi (20.68-34.47 bar)
Pipe Size Range 6″ – 8″ (152 – 203 mm)
Wall Thickness Range .156″-.500″ (4 – 12.7 mm)