Mechanical Tensioners with Frontal Wire Passage 

PRA Series 

Size 1 - 2 - 3 - 4

PRA Tensioners are the evolution of the well known mechanical tensioners with lateral wire passage.

Main Features:

  • Frontal wire passage to save space on the winding machine;
  • Gradual and progressive setting of the brake thanks to the control of the arm position;
  • Excellent response to coiling’s high speeds and acceleration;
  • High wire recovery;
  • Low maintenance.
  • Highly customizable devices.


  • Wire breakage signal;
  • Pneumatic unlock of the brake.