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PUFlex DC Couplings

PUFLEX DC couplings are the three piece assembly of 2 no. Aluminium Alloy hubs and one Special Grade Plastic Disc. These three pieces are co-axially assembled to complete the PUFLEX DC coupling. After assembly these couplings becomes sufficient flexible, backlash-free, positive motion transmitting fail safe coupling elements. Due to Plastic Disc, both the metallic hubs are separated from each other to avoid there physical contact. This helps to avoid the electrical and frequency isolation of both the connected driver and driven elements.

Download PUFlex DC Couplings Catalogue



  • Shaft Encoders


  • Flexible
  • Backlash-free
  • No maintenance
  • No Lubrication
  • Failsafe
  • Uniform & Positive motion and power transmission
  • Electrical and frequency isolation
  • Available in Unbored
  • pilot bore and finish bores and key-ways.


Dimentional details

Size Outer Dia. Length Bore Size mm Max. Misalignment Max. Max. Torsional
PUFIex DC D mm L mm  Min. d1 Max. d2 Radial mm Angular Axial mm Torque Nm RPM Stiffness Nm/rad
25 25.00 20.00 4.00 10.00 0.3 2.5 0.4 0.4 12000 25
30 30.00 22.00 6.00 14.00 0.3 2.5 0.4 0.6 12000 50

Ordering Code:

XX: Outer Diameter of Coupling
YY: Inner Diameter of first side
ZZ: Inner Diameter of second side.


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