rigid coupling

Spacer Coupling for Power Generation Units

Introduction to Rigid Couplings

Rigid couplings are a type of mechanical device used to connect two shafts together at their ends for the purpose of transmitting power. Unlike flexible couplings, they do not accommodate misalignments between the shafts; however, they are valued for their simplicity and durability.

Key Features

  • Simple Design: Rigid couplings have a straightforward design, making them easy to install and maintain.
  • Durability: Made from robust materials, these couplings can withstand harsh conditions without failing.
  • High Torque Transmission: They are capable of transmitting large amounts of torque with minimal loss.


Rigid couplings are primarily used in applications where alignment is precise and no flexibility is required between the shafts. This includes power generation units, where accurate alignment and reliable power transmission are critical.

Features of Our Rigid Couplings

Material Quality

Our rigid couplings are made from high-grade materials ensuring long-lasting performance even in the most demanding conditions.

Customizable Options

rigid coupling

We offer customizable options to meet specific requirements, including size, material, and torque capacity.

Efficient Power Transmission

Designed for efficient power transmission, our couplings minimize power loss and increase the efficiency of power generation units.

Advantages of Spacer Coupling for Power Generation Units

  • Precision Alignment: Essential for the high-speed shafts in power generation, ensuring efficient power transfer.
  • High Torque Capacity: Can handle the high torque demands of power generation units without compromise.
  • Minimal Maintenance: Rigid couplings require less maintenance due to their simple design, reducing downtime.
  • Durability: Built to last, they withstand the challenging conditions of power generation environments.
  • Easy Installation: Their simple design allows for quick and easy installation, minimizing setup times.

Working Principle of Rigid Couplings

Rigid couplings work by physically connecting two shafts together, making them rotate as one unit. The coupling ensures that any torque applied to one shaft is directly transferred to the second shaft without any flexibility, allowing for precise and direct power transmission.

How to Choose the Right Rigid Coupling

  • Shaft Size and Type: Ensure the coupling fits the shafts’ diameter and type.
  • Application Requirements: Consider the torque and speed requirements of your application.
  • Material Compatibility: Choose a material that is compatible with the working environment.
  • Alignment Necessities: Ensure the coupling can achieve the required alignment precision.
  • Space Constraints: Consider the physical space available for the coupling.

rigid coupling

Maintenance of Rigid Coupling

Maintaining rigid couplings involves regular inspections for wear and tear, ensuring proper alignment is maintained, and replacing them when necessary. Maintenance is crucial to prevent unexpected failures and to ensure longevity and reliable performance.

About HZPT

HZPT, established in 2006, is a leading manufacturer and exporter specializing in coupling design, development, and production. With our own design and R&D team for 16 years, we offer custom product solutions worldwide. Our complete quality assurance system spans from raw materials to finished products, ensuring CE and TUV certified quality. At HZPT, customer satisfaction is our pursuit. Our main products include various types of couplings used in the mechanical industry worldwide. Our philosophy is to survive by quality and to develop by reputation. Our couplings come with the advantages of high quality, competitive pricing, and a comprehensive product range. Choosing HZPT means choosing excellence in service, quality, and price. We look forward to cooperating with new clients around the world and establishing successful business relationships in the near future.