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DIR & DILR Type (Drop-In Spacer) Coupling

  • Direct Replacement for floating shafts in flanged series gear couplings
  • No need for lubrication or maintenance
  • Can utilize existing rigid Flanged Gear hubs or custom paper machine hubs
  • Can be inspected while in operation
  • Can run at higher speeds than floating shaft gear couplings
  • Unitized disc pack
  • Infinite life if properly aligned
  • Torsionally rigid with minimal back lash
  • No wearing parts and high resistance to harsh environmental conditions
  • Shim kits are standard for ease of installation and precise spacer positioning
  • Anti Flail / Anti Fly piloting option is standard to prevent the spacer assembly from flying out if a disc pack and bolts fail
  • Adjustable lengths using shaft locking devices
Product Specifics
  • DIR is provided with F-Style rigid gear coupling hubs
  • DILR manufactured to work with existing rigid hubs without dist
  • urbing the equipment
  • All spacers are manufactured to the customer’s specified length and a 2.0 service factor
The coupling has two flex planes (one at each disc pack) so it can accommodate parallel misalignment by the angular misalignment in each disc pack. This configuration will also accommodate axial misalignment within the specified limits.
Catalogs

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

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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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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

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