C Series General Industrial Couplings | John Crane Power Transmission Couplings
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C Series

Rigid Coupling with Radially Located Parts for Vertical Applications

C series rigid couplings incorporate a segmented, piloted locating design. This eliminates the shaft distortion associated with conventional ‘clam shell’ coupling designs where the motor shaft supports the pump shaft, and there are no bearings in the pump. It can also be used in vertical mixer applications, where the same characteristics are required.

Vertical rigid coupling designed to ISO 13709 (API 610) specifications, which has options of vertical adjustment and spacers. View animation showing this.


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  • California Residents: PROPOSITION 65 WARNING
  • Easily adjustable for setting vertical clearance.
  • Eliminates run-out errors associated with Clam Shell coupling types.
  • Corrosion-resistant phosphate coating.
  • Robust design.
  • Radial pilots provide for repeatable assembly results.
  • Designed to transmit torque between vertical-mounted equipment.
  • CPAT and CPKT meet requirements of API 610.
  • Optional materials and coatings available.
  • Special design features available.


Maximum Shaft


Maximum Torque

154,000 Nm (1,364,000 lbf/in)

Limites de vitesse

5 000 tr/min

Limites de température

5 °F à 300 °F/-15 °C à 150 °C

Applications recommandées

  • Pompes de traitement
  • Mélangeurs et agitateurs
  • Moteurs électriques
  • Réducteurs
  • Autres équipements rotatifs

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