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低オーバーハングモーメント用高性能、低モーメント設計(API 671およびISO 10441)

H-RE series couplings are designed for medium- to high-speed turbomachinery applications where low overhung moment and light weight with a high degree of reliability are critical. The couplings are manufactured in high alloy steel, with high-strength stainless steel flexible elements, supported by aircraft standard fastenings. The couplings are generally balanced to API 671 or similar, with pilot location to retain a very high level of repeatability.

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  • California Residents: PROPOSITION 65 WARNING
  • H-RE hub/flex units are designed to accommodate typical machine shaft sizes for turbo-compressor applications.
  • The separate spacer can be varied to provide the appropriate distance between shaft ends and the required torsional stiffness to suit individual applications.
  • Reduced moment arrangement.
  • Flexible discs visible for easy inspection.
  • Factory assembled hub/flex element units.
  • High-reliability stainless steel flexible disc design.
  • Shrouded bolts to reduce windage.
  • Built-in overload collars for additional safety.
  • Full compliance with ISO10441 (API 671) — no exceptions.


Maximum Shaft


Maximum Torque

580,000 Nm (5,130,000 lbf/in)

Speed Limits

37,700 rpm

Temperature Limits

-65°F to 300°F/-55°C to 150°C

Recommended Applications

  • Process pumps
  • Electric motors
  • Gearboxes
  • Steam turbines
  • Gas turbines
  • Centrifugal compressors
  • Other compressors
  • Other rotating equipment
  • Generators

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