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Main features
  • Eliminates the need for lubrication and coupling maintenance
  • Coupling can be inspected without disassembly
  • Condition of disc packs can be inspected with a strobe light while the machine is running 
    (Note: It is not recommended that couplings be operated without coupling guards.)
  • Easy to assess equipment misalignment
  • Torsionally rigid without any backlash
  • No wearing parts
  • Resistance to harsh environments
  • Long life when properly sized and aligned
  • High power density (higher torque for a given outside diameter)
  • Lovejoy supports the API-610 Standard up to 3,800 RPM
  • Unitized disc packs ensure repeatability necessary for meeting the balance and piloting requirements as mandated by API-610
  • ATEX Certified for SU, SX, DI, SXC, SXCS, SXCST, DIR, DILR, DIRA and DIRLA product lines 

The disc pack can accomodate 1/2 ° to 1-1 / 2 ° of angular misalignment, and is used in all disc couplings products.

Disc packs are manufactured using high grade stainless steel (AISI-301), ensuring high strength, high endurance to fatigue, and resistance to most environmental conditions. Disc couplings utilize unitized disc packs with 4, 6 or 8 bolt designs. While the 8 bolt design can transmit greater torque than the 6 or 4 bolt design, it is not able to accommodate as much angular misalignment. Couplings can also be fitted with overload bushings to protect the disc pack during momentary torsional overloads.
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