FLENDER ELPEX Highly Flexible Couplings

Quick Details
Place of Origin:
Brand Name:
Model Number:
Cast Iron Hubs with Rubber Elastic Ring or Elastic Disc
Standard or Nonstandard:
Metal hub with elastic rubber element for torque transmission
Flexible or Rigid:
Elastic ring with Taper bush mounting
Elastic ring with Taper bush mounting
Standar or steel execution for shaft mounting
Standard or steel execution for flange mounting
Highly flexible rubber disc, with one elastic element
Highly flexible rubber disc, with two elastic elements
ELPEX Parts:
Spare parts, hubs, Taper bushes and elastic rings/discs
Supply Ability
Supply Ability:
10 Piece/Pieces per Day

Packaging & Delivery
Packaging Details

<dd class="do-entry-item-val" title="Standard industry packing included, on pallet, boxed or with shrink foil, ready for export

ELPEX flexible ring coupling


Owing to its low torsional stiffness and damping property the ELPEX coupling is very well suitable for connecting machines with a considerably non-uniform torque characteristic. Types with a fail-safe device between the flexible rings ensure emergency operation if the flexible rings are destroyed. ELPEX couplings are available in 12 sizes for torques from 1,600 Nm up to 90,000 Nm.

Examples of application

Drives with periodically exciting systems, such as

  • Internal combustion engines

  • Piston compressors

  • Piston pumps

Drives subjected to high shock loads or large shaft misalignments, for example in

  • Compressors

  • Excavators

  • Shredders

Advantages of the product

  • Highly flexible coupling without circumferential backlash for large shaft misalignments

  • Suitable for high dynamic loads

  • Good damping properties

  • Available as shaft and flange coupling

  • Designs according to API 610 and API 671 available

ELPEX-B rubber tyre coupling


Highly flexible ELPEX-B couplings transmit torques without circumferential backlash in machines with non-uniform torque characteristic. They are resistant to wear and maintenance-free. The hubs of the ELPEX-B couplings are made of high-quality cast iron or steel. The torque is transmitted by a flexible tyre reinforced with a cord ply.

Examples of application

ELPEX-B couplings are used in

  • Pump drives

  • Compressor drives

  • Blower drives

Frequently, they are also used in roller table drives.

Advantages of the product

  • Compensation of very large shaft misalignment

  • Independent of direction of rotation (suitable for reversing operation)

  • The rubber tyre can be easily replaced without the need to move the coupled machines

  • Easy mounting on the shafts possible with Taper bushes

  • Nominal torque range between 24 Nm and 14,500 Nm

ELPEX-S rubber disk coupling


Owing to its low torsional rigidity and damping property the ELPEX-S coupling is very well suitable for connecting machines with a considerably non-uniform torque characteristic. The inside diameter of the rubber disk element is vulcanized on a flange. As standard, ELPEX-S couplings are designed as flange/shaft connection or shaft/shaft connection. The hub can serve to take a Taper bush.

Examples of application

Used in general mechanical engineering; especially suitable for drives

  • comprising internal combustion engines

  • comprising piston compressors

  • for cement mills

Advantages of the product

  • Torsional vibration insulating with linear torsion spring characteristic

  • Many kinds of flange connection possible (among others acc. to SAE)

  • Easy plug-in assembly even for mounting positions difficult to access

  • Types are available on which replacement of rubber disk element is possible without the need to move the coupled machines

  • Overload protection protecting motor and driven machine

  • Wide range of nominal torques between 330 Nm and 63,000 Nm

  • Rubber elements available for ambient temperatures up to 120 °C

  • Can be used in potentially explosive atmospheres; certified acc. to 94/9/EC (ATEX 95)

With CURRAX GmbH & Co. KG, SIEMENS Approved Partner Automation Drives, FLENDER Solution Partner

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