935 and 936 � Pneumatic safety chucks with round-squared / squared-squared shaped

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.

Pneumatic Sliding safety chuck (sliding disc opening), with rotating or fixed head, with round/square ends, they are light or heavy. Use with or without shafts.

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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