RLM Series

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Product Overview

The RLMK Series Disc Coupling is a spacer-type or extended version, designed for applications requiring shaft separation and ease of maintenance.

Technical Specifications (Typical Range)

Torque Capacity:
• Up to ~18,717 Nm (depending on size and configuration)

Bore Range:
• Up to ~165 mm

Speed Capability:
• Suitable for high-speed applications

Temperature Range:
• Suitable for high temperatures (no elastomer limitations)

Key Highlights

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    Spacer design for easy access to connected equipment

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    Allows maintenance without disturbing driver and driven units

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    Suitable for pump and motor assemblies

Advantages
• High precision and zero backlash performance
• No wear components, ensuring long service life
• Suitable for high-speed and high-temperature applications
• Maintenance-free with no lubrication required
• Ideal for critical and precision-driven systems

Typical Applications
Disc / Laminae Couplings (RLM & RLMK Series) are widely used in:
• Pumps and compressors
• Turbines and generators
• High-speed rotating equipment
• Process and chemical industries
• Precision machinery and automation systems

These couplings are ideal for applications requiring accuracy, reliability, and maintenance-free operation.

Optional Variants & Customization
• Single- or double-disc pack configurations
• Spacer lengths customized for application requirements
• High-strength alloy steel hub options
• Custom bore and keyway configurations as per DIN / ISO standards
• Dynamic balancing for high-speed applications

Why Choose RLM & RLMK Series Disc Couplings?

  • Provides precision torque transmission with zero backlash

  • Suitable for high-speed and critical applications

  • Long service life with minimal maintenance

  • Proven performance in demanding industrial environments

  • Similar Products
With decades of expertise, Rathi Transpower Pvt. Ltd.—part of Ringfeder Power Transmission India Pvt. Ltd.—designs and manufactures high-performance flexible couplings. Our ISO 9001-certified facility ensures precision, reliability, and continuous innovation, delivering a wide range of standard couplings through a global distribution network.

Engineered for Performance

Precision couplings for testing, assembly, and motion systems that keep automotive manufacturing lines running smoothly.

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  • FAQs
With decades of expertise, Rathi Transpower Pvt. Ltd.—part of Ringfeder Power Transmission India Pvt. Ltd.—designs and manufactures high-performance flexible couplings. Our ISO 9001-certified facility ensures precision, reliability, and continuous innovation, delivering a wide range of standard couplings through a global distribution network.
01

What makes Rathi couplings stand out from others in the market?

Yes. Our couplings are engineered to handle demanding torque and speed requirements with minimal vibration and backlash, ensuring smooth and reliable power transmission under extreme conditions.

02

Do Rathi couplings support high-speed or high-torque applications?

Yes. Our couplings are engineered to handle demanding torque and speed requirements with minimal vibration and backlash, ensuring smooth and reliable power transmission under extreme conditions.

03

Can Rathi provide custom coupling solutions?

Yes. Our couplings are engineered to handle demanding torque and speed requirements with minimal vibration and backlash, ensuring smooth and reliable power transmission under extreme conditions.

04

How does Rathi ensure product quality and reliability?

Yes. Our couplings are engineered to handle demanding torque and speed requirements with minimal vibration and backlash, ensuring smooth and reliable power transmission under extreme conditions.