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Reliability Partners. Uptime Champions.

HercuFlex™ Gear Couplings (New!)

HercuFlex Gear Couplings
  • Designed with latest advances in Finite Element Analysis technology
  • Increased nominal torque
  • Larger maximum bore size
  • Advanced seal design to increase contamination resistance

HercuFlex Gear Couplings Logo

By deploying the latest advances in Finite Element Analysis technology, and building off of decades of proven success with the complete Lovejoy / Sier-Bath gear coupling line, Lovejoy's engineering team has revolutionized the gear coupling. This revolution, known as HercuFlex™ offers increased nominal torque, larger maximum bore size and longer service lifeDespite the advanced nature of these improvements, the HercuFlex Gear Coupling still utilizes the standard AGMA flange interface to ensure field interchangeability.

In addition to unequaled bore and torque capacity while maintaining compliance with standard AGMA flange interfaces, key features include 1.5° of misalignment per gear mesh, stronger alloy steel hubs and sleeves (on the FX, CX, and FXL), improved fastener corrosion resistance, and advanced seal design for increased contamination resistance. Furthermore, the hubs and seals used for both the flange and continuous sleeves HercuFlex gear coupling designs are common and interchangeable parts. This commonality allows for increased inventory rationalization for stocking partners.

HercuFlex Gear Couplings

HercuFlex™ Flange Style (FX)

  • Unequaled bore and torque capacity
  • 1.5° of misalignment per gear mesh
  • Improved fastener corrosion resistance
  • Advanced seal design intensifying contamination resistance
  • Interchangeable with standard AGMA flange interface
HercuFlex CX Gear Couplings - Thumbnail Image

HercuFlex™ Continuous Sleeve Style (CX)

  • Unequaled bore and torque capacity
  • 1.5° of misalignment per gear mesh
  • Improved fastener corrosion resistance
  • Advanced seal design intensifying contamination resistance
HercuFlex FXL Gear Couplings - Thumbnail Image

HercuFlex™ Labyrinth Seal Flange Style (FXL)

  • All-metal labyrinth seal for extreme high contamination environments 
  • 1.5° of misalignment per gear mesh
  • Improved fastener corrosion resistance
  • Advanced seal design intensifying contamination resistance
  • Interchangeable with standard AGMA flange interface
HercuFlex Rigid Adjustable Couplings - Thumbnail Image

HercuFlex™ Rigid Adjustable Couplings (RA & RAHS)

  • Axial positioning of the pump impeller in vertical pump
    applications
  • Clearance fit bores allows for easy installation and
    maintenance for pump and/or motor
  • Easily adjustable for vertical clearance
  • Removable spacer for easy maintenance
  • AISI 1045 Steel (Stainless Steel coupling also available)