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Additional information

Torque Range

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TPO air clutches are very strong and reliable components, the technical development of which has been achieved with a few dozen years experience in the field of transmissions.
Their range of performance can fulfill the most different applications, with transmittable torques up to 1170 daNm, remaining constant without requiring any further regulation.
Their compressed air feeding system, while having the great advantage of being modulated with air pressure variation, can be remote controlled and automatically self compensate for wear.
The main technical features are:

  • All the operating discs are made of a high quality cast iron, with large surfaces from where heat generated with friction is easily dissipated without creating dangerous tensile stresses.
  • The friction discs are made of a composite compound without asbestos, and are provided with external gear teeth to engage into the internal gears of the driving ring.
  • The external dimensions are very small and for this reason the assembly phase is facilitated.
  • The wide dimensions of the bores allow shafts with large diameters to be mounted.

In normal and medium operating conditions, clutches with 2 or 3 discs can be used, transmitting a torque being twice or three times more than the corresponding one with a single disc, and leaving external dimensions unchanged.


The TPH model is designed for in-line drives and is based on the standard TPO clutch pack with a self-contained stationary thruster operating with 9 bar (130 Psi) air pressure.

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