Pipe Bending Mandrels:

 All Darby Mandrels are one man operated and designed to provide internal pressure on the pipe during the bending process to prevent pipe buckling and eliminate out of round in the bend. Available in sizes 6" through 60".

pipeline equipment
Pneumatic-Powered 3-Section Mandrels:
pipeline equipment Adjustable for any wall thickness within specified mandrel range
pipeline equipment Available in sizes 20" through 36" diameter
pipeline equipment For efficient operation, the compressed air pressure should range from 160 to 200 PSI (11.0 to 13.8 BAR)
pipeline equipment Maximum safe working pressure is 225 PSI (15.5 BAR)

Pneumatic or Hydraulic Wedge Mandrels:
pipeline equipment Adjustable for any wall thickness within specified mandrel range
pipeline equipment Available in sizes 6" through 60" diameter
pipeline equipment For efficient operation, the compressed air pressure should range from 160 to 200 PSI (11.0 to 13.8 BAR)
pipeline equipment Maximum safe working pressure is 225 PSI (15.5 BAR)
pipeline equipment Sizes over 60 inch by request

To download a .pdf with technical and shipping specifications for Darby Pipe Bending Mandrels, click here.