1-1/4 Rigid Coupling

  • Rigid couplings provide a permanent and secure connection between two sections of rigid pipe.
  • Once installed, the coupling forms a rigid joint that maintains alignment and structural integrity over time, minimizing the risk of leaks or disconnections.
  • One of the key characteristics of a 1-1/4 rigid coupling is its ability to preserve the alignment of connected pipes.
  • By preventing movement or misalignment between pipe sections, rigid couplings help maintain the efficiency and functionality of the piping system.



Product Description

Understanding 1-1/4 Rigid Couplings

1-1/4 rigid couplings are mechanical fittings designed to join two pipes end-to-end in a straight line. Unlike flexible couplings, which allow for some degree of movement, rigid couplings are intended to provide a fixed connection, maintaining alignment and structural stability. These couplings typically consist of two housings, gaskets, and bolts/nuts, facilitating a secure and leak-proof joint.

Features and Benefits

1. Robust Construction: Constructed from high-quality materials such as ductile iron or stainless steel, 1-1/4 rigid couplings exhibit exceptional strength and durability, ensuring long-term performance even in demanding environments.

2. Easy Installation: With a simple design and minimal components, these couplings are easy to install, saving time and labor costs during assembly.

3. Leak Resistance: The precision-engineered gaskets integrated into 1-1/4 rigid couplings create a tight seal, preventing leakage and minimizing the risk of fluid loss or contamination.

4. Corrosion Resistance: Many 1-1/4 rigid couplings are coated or plated with corrosion-resistant materials, enhancing their longevity and performance in corrosive environments.

5. Versatility: 1-1/4 rigid couplings are compatible with various pipe materials, including steel, copper, PVC, and others, enabling their use across diverse piping systems in industries such as HVAC, plumbing, fire protection, and wastewater management.


  • HVAC Systems
  • Plumbing Installations
  • Fire Protection Systems
  • Industrial Pipelines

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1-1/4 Rigid Coupling

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