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Composite Disc (Cooling Tower) Type Coupling

  • Lightweight composite material ensures strength & endurance
  • Stainless steel hubs protect against aggressive environments
  • Corrosion & ultraviolet light resistant
  • Theoretical infinite fatigue life
Product Specifics
Lovejoy Composite Disc couplings consist of:
  • 2 Hubs: 316 or cast CF8M Stainless Steel
  • 2 Disc Packs: Carbon Fiber / Urethane Link style construction
  • 1 Spacer: Options
    • Fiber Glass
    • Fiber Glass / Carbon Fiber Mix
    • Carbon Fiber
    • Special Modulus Carbon Fiber
  • 1 Hardware Set
    • Bolts: 316 Stainless Steel
    • Bushings: 316 Stainless Steel
    • Nuts: 316 Stainless Steel with Nylon Locking Ring
 Capability:
  • Misalignment Capability
    • 1° Angular Misalignment per flex plane
    • Axial Misalignment 0.03-0.05 per pack
  • Hub Fit: AGMA 9002 Class 1 Clearance Fit Standard
    • 2 Setscrews min per hub at 180°
  • Service Factor: Use 2.0 or greater for all cooling tower applications
  • Max Distance Between Shaft Ends (BSE)
    • Max BSE set with a 1.3 safety factor on critical speed per Cooling Tower Institute Chapter 10 Specifications
 Benefits:
  • 4 times peak overload rating
  • Smoother operation
  • Fewer parts, no fretting corrosion
  • Increased fatigue life and endurance limit
  • Significant reduction in rotating mass
  • Superior corrosion resistance
  • Safer installation and easier handling
Catalogs

DI Type (Drop-In Spacer) Coupling
  • "Drop-In” spacer assembly coupling; 2 hubs and spacer assembly (comprising of the spacer, 2 unitized disc packs, and 2 guard rings)
  • Hubs are piloted - ensures proper centering, as an anti-flail feature
  • Meets API-610 balance and anti-flail requirements
  • Oversized hubs available, allows for the use of smaller couplings where applicable

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DIR & DILR Type (Drop-In Spacer) Coupling
  • Split spacer couplings, where disc packs can be serviced or removed without moving hubs
  • SXCS Type – connecting bolts are installed from the end of the hubs inward, pointing towards the spacer
  • SXCST Type – connecting bolts are installed from inside the spacer outward, pointing towards the hubs

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SU Type Industrial Coupling
  • Single flex plane with two hubs and a single disc pack
  • For angular and axial misalignment only
  • Two SU couplings are often combined with a shaft to make a floating shaft coupling; shaft can be hollow for long light weight floating shaft couplings

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SX Type Industrial Coupling
  • Standard disc coupling; 2 hubs, 1 stock length spacer designed to meet industry standard lengths, & 2 unitized disc packs
  • Two flex planes (one at each disc pack) accommodate parallel, angular, and axial misalignment
  • Available in 4, 6 and 8 bolt designs; bore sizes up to 13 inches (330mm)
  • Custom spacer lengths & overload bushing available

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SXC Type Close Coupled Industrial Coupling
  • Close coupled variation of the SX Type coupling
  • Hubs turned inward and mounted inside the spacer.
  • Can be used with one or both hubs turned outward for different shaft separations.

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SXCS Type Close Coupled Split Spacer Coupling
  • Split spacer couplings, where disc packs can be serviced or removed without moving hubs
  • SXCS Type – connecting bolts are installed from the end of the hubs inward, pointing towards the spacer
  • SXCST Type – connecting bolts are installed from inside the spacer outward, pointing towards the hubs

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SXCST Type Close Coupled Split Spacer Coupling
  • Split spacer couplings, where disc packs can be serviced or removed without moving hubs
  • SXCS Type – connecting bolts are installed from the end of the hubs inward, pointing towards the spacer
  • SXCST Type – connecting bolts are installed from inside the spacer outward, pointing towards the hubs

Read more

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