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Catalog

  • FTR-Series Foundation Bolt Tensioners provide fast, accurate and easy tightening of external or internal-ring wind tower foundations.
  • Standard models are available for 75, 150 ksi and metric style Williams, Dyson and Macalloy bar types.
  • Long-stroke options accelerate process with single-pull tensioning.

Unit of Measure

Bar Grade

150 ksi

Bolt Diameter

2.75 in 70 mm

Bar Size Designation

2.500

Nut A/F

4.25 inches

Maximum Pressure

21,750 psi

Hydraulic Pressure Area

28.27 in²

Load Capacity

307.5 tons

Stroke

1.00 inches

Dimension A

8.44 inches

Dimension B

8.35 inches

Dimension C

3.39 inches

Dimension D

13.68 inches

Weight

127.8 lbs.

Minimum Bolt Protrusion

17.72 inches
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