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  • 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

N/A 150 ksi

Bolt Diameter

N/A 2.75 in 70 mm

Bar Size Designation

N/A 2.500

Nut A/F

N/A 4.25 inches

Maximum Pressure

N/A 21,750 psi

Hydraulic Pressure Area

N/A 28.27 in²

Load Capacity

N/A 307.5 tons

Stroke

N/A 1.00 inches

Dimension A

N/A 8.44 inches

Dimension B

N/A 8.35 inches

Dimension C

N/A 3.39 inches

Dimension D

N/A 13.68 inches

Weight

N/A 127.8 lbs.

Minimum Bolt Protrusion

N/A 17.72 inches