ACT2.3SN Reich Arcusaflex Drive Coupler | Bolt-On & Taper-Lock Configurations

The ACT2.3SN Reich Arcusaflex Drive Coupler is a precision-engineered elastomeric coupling designed to connect rotating shafts in industrial and power transmission applications where vibration control and mechanical reliability are critical. As part of the Arcusaflex product family, the ACT2.3SN is engineered to absorb torsional shock, handle fluctuating loads, and maintain smooth torque transfer during continuous-duty operation.

This coupler functions as a mechanical buffer between the prime mover and driven equipment, reducing vibration and compensating for minor shaft misalignment. By isolating torsional oscillations, it helps protect bearings, shafts, gearboxes, and other critical drive components from premature wear and fatigue.

To accommodate different installation requirements, the ACT2.3SN is available in two distinct mounting configurations, allowing proper integration into a wide range of drive systems.

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Available Configurations (Product Variations)

Version A – Bolt-On Configuration

The bolt-on version of the ACT2.3SN uses directly mounted hubs secured with fasteners. This configuration is commonly selected when:

• Shaft dimensions are fixed and known

• Direct mechanical fastening is preferred

• No taper-lock bushings are required

• A rigid, straightforward installation is desired

Bolt-on configurations are often used in OEM compressor and generator assemblies where the coupling hubs are factory-matched to the shaft dimensions.

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Version B – Taper-Lock Configuration

The taper-lock version of the ACT2.3SN is designed to accept taper-lock bushings, allowing flexible shaft sizing and simplified serviceability. This configuration is ideal when:

• Shaft diameters vary between applications

• Easy installation and removal are required

• Field service or retrofitting is anticipated

• Precise concentric alignment is critical

Taper-lock configurations provide strong mechanical grip, excellent concentricity, and reduced installation time without sacrificing torque capacity.

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Key Features and Benefits

• Genuine Reich Arcusaflex Coupler – Manufactured to OEM engineering standards

• Two Mounting Options Available – Bolt-on (Version A) or taper-lock (Version B)

• Flexible Elastomeric Design – Absorbs torsional vibration and shock loads

• Smooth Torque Transmission – Stable, backlash-free power transfer

• Misalignment Compensation – Accommodates angular, axial, and parallel misalignment

• Heavy-Duty Construction – Designed for continuous-duty industrial environments

• Low Maintenance Operation – No lubrication required

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Functional Design and Performance

The ACT2.3SN Arcusaflex coupler uses a resilient elastomer element bonded to precision-machined metal components to create a torsionally flexible shaft connection. This design allows the coupler to absorb vibration and transient load spikes before they can propagate through the drive system.

In applications such as rotary screw compressors and generator sets, torsional vibration is a leading cause of bearing wear, shaft fatigue, and alignment drift. The elastomer element within the ACT2.3SN reduces these forces, improving system stability and extending component life.

Both the bolt-on and taper-lock versions share identical elastomer performance characteristics, ensuring consistent damping behavior regardless of mounting style.

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Applications and Compatibility

The ACT2.3SN Reich Arcusaflex Drive Coupler is commonly used in:

• Rotary screw and piston air compressors

• Generator sets and engine-driven equipment

• Industrial pumps and motor assemblies

• Gearbox-driven power transmission systems

• Heavy industrial machinery

This coupler is suitable for OEM installations and replacement applications where an ACT-series Arcusaflex coupling is specified.

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Technical Specifications (General)

• Model: ACT2.3SN

• Manufacturer: Reich

• Coupler Type: Flexible elastomeric drive coupler

• Available Configurations:

  • Version A: Bolt-On

  • Version B: Taper-Lock

• Function: Torque transmission with vibration damping

• Misalignment Capability: Angular, axial, and parallel

• Operating Environment: Industrial and power transmission systems

• Maintenance: Lubrication-free; inspect during routine service

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Why Choose Stark Industrial Products

Stark Industrial Products supplies OEM and OEM-spec industrial couplers used in compressors, generators, and power transmission systems. We understand configuration differences and ensure you receive the correct mounting style for your application.

• OEM and OEM-spec couplers

• Configuration-specific support

• Fast order processing and secure packaging

• Knowledgeable technical assistance

If you need help selecting bolt-on vs taper-lock for your ACT2.3SN application, our team is ready to assist.