Enerpac Hydraulic Strand Jacks

The strand jack lifting technique originates from the concrete post tensioning principle. A strand jack can be considered a linear winch. In a strand jack, a bundle of steel cables or strands are guided through a hydraulic cylinder; above and below the cylinder are anchor systems with wedges that grip the strand bundle. By stroking the cylinder in and out while the grips are engaged in the anchors, a lifting or lowering movement is achieved.

Enerpac HSL Series Features

Enerpac Strand Jack 1
  • Enerpac strand jacks are the strand jacks of choice for customers seeking precise synchronous control with heavy lifting capacity in an economical, compact and reliable foot print.
  • Enerpac strand jacks are powered by electrical or diesel driven hydraulic power packs and controlled by Enerpac’s proprietary SCC-Smart Cylinder Control System to ensure full control of lifting and lowering operations.
  • Precision control of synchronous lifting and lowering
  • Can be controlled by a single operator from a central location for increased safety
  • Automated locking - unlocking operation
  • Two strand sizes: 0.62 in (15.7 mm) and 0.71 in (18 mm)
  • Telescopic strand guide pipes prevent bird caging
  • Internal components are coated with Lunac, anti-corrosion coating, making it suitable for marine environments
  • Lifting anchor included with all strand jacks
  • Lloyds witness tested to 125% of maximum working load
  • Capacity is based on 2.5 minimum safety factor over strand breaking load

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