Siemens Rupex Pin & Bush Couplings


RUPEX couplings are used as flexible compensating couplings in all applications requiring a reliable transmission of torque under harsh operating conditions. The conical seats of the buffer pins facilitate mounting and guarantee maintenance-free operation. 

The optimized shape of the barrelled buffers allows simple plug-in assembly and low circumferential backlash. Many type variants are offered, e. g. with brake disk, axial play limiting device, or brake motor couplings.

Advantages of the product

  • Flexible fail-safe pin and bush coupling for medium up to high torques
  • Compact design; low weights and mass moments of inertia
  • Independent of direction of rotation (suitable for reversing operation)
  • Suitable for plug-in assembly (blind assembly, bell housing installation)
  • Torque range of the standard series between 200 Nm and 1,300,000 Nm
  • Can be used in potentially explosive atmospheres; certified acc. to 94/9/EC (ATEX 95)










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