Torsionally rigid couplings : ARPEX ARP-6

ARPEX® all-steel coupling for pump drives, ARP-6 series Maintenance-free all-steel coupling, optimized for the use in pump drives, especially for centrifugal pumps with a permissible angular misalignment of up to 0.7°. Meets the API 610 requirements. Optionally also available in API 671 design.
Advantages :
- Compensates angular, radial and axial shaft misalignments.
- Torsionally rigid and without torsional backlash.
- Suitable for any direction of rotation.
- Maintenance-free and wear resistant.
- No lubrication required.
- Easy to assemble.
- Nearly vibration-free.
- Low restoring forces.
- Modular construction system – technical solutions possible by combination of standard components.
- Approved for use in hazardous locations, zones 1 and 2.
- Type MCECM with transmission unit pre-assembled at factory.

Designs :
- With fixed and variable lengths of spacer.
- Design acc. to API 671 is possible (type MCECM).
- NON SPARKING design available.
- With integrated limitation of axial play.
- With integrated vertical support for vertical installation.