R+W
SK3 – Torque limiter
With conical clamping hubs and bellows coupling
Two conical clamping assemblies with six tightening screws each, Safety system: spring loaded ball-detent principle
Fit clearance
- Overall shaft / hub clearance of 0.01 – 0.05 mm
Special solutions
- Various materials, tolerances, dimensions and performance ratings available for custom applications on request
Applications
- ATEX (Optional) For use in hazardous zones 1/21 and 2/22, the metal bellows has been authorized under directive 94/9/EG and is available with certification.
- Temperature range -30° C to +120° C (-22° F to +248° F)
Technical Specifications
Design
- Two conical clamping assemblies with six tightening screws each
- Safety system: spring loaded ball-detent principle
Material
- Bellows: high grade stainless steel
- Safety system: hardened steel
- Clamping hubs / bushings: steel
Service life
- R+W bellows couplings are fatigue resistant and wear free for an infinite service life, as long as the technical limits are not exceeded
Available function systems
- W = Single position / automatic re-engagement (standard)
- D = Multi-position / automatic re-engagement
- G = Load holding / load blocking
- F = Full disengagement / manual re-engagement
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