955 and 956 - Pneumatic safety chucks with round-squared shaped and axial movement

They are used to rewind or unwind material in rolls on expanding airshafts.

They allow to load or unload rolls more easily without moving the airshaft directly. Sliding safety chuck (sliding disc opening). With sliding and axial movement, the models are available to suit different loads. They can have Rotating or Fixed Head, Square/Square or Square/Round Coupling. They are light or heavy. Using with Shaft or with Handwheels.

Several tilting and sliding models are available to suit different loads, any model can be both foot-mounted and flange-mounted.

Standard sizes available for this Model are listed below.


  • Capacity Perp Pair: from 15.600 N to 30.000 N (Reel weight)
  • Max Torque Transmittable: from 1.000 Nm to 1.300 Nm
  • Max Speed: from 1.200 RPM to 1.500 RPM
  • Square Standard Socket: from Ø 35-50 to Ø 40-55
  • Standard Shaft Diameter: from Ø 25-45 to Ø 30-50

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