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3 1/2" Schedule 40 Expansion Coupling
Our 3 1/2" schedule 40 PVC Conduit expansion couplings are used to repair broken conduit. Also, expansion couplings can be used to compensate for length changes due to extreme temperature variations.
To ensure our PVC expansion couplings provide you with the best protection available, our product is resistant to many ordinary chemicals such as acids, bases, salts, and oxidants.
Durability & Strength
Our Expansion Coupling Conduit is manufactured from high-grade PVC, providing a protective expansion seal. This product is designed for schedule 40 PVC conduit.
PVC is the most widely used conduit system because of its Versatility. We offer many different Sweeps, Fittings, and Connectors to help guide conduit pipes anywhere. Our Expansion Couplings offer a easy installation and make it simple to apply Cement or Glue to bind the ends together.
If you have any questions, feel free to give us a call or email us.
- Join two PVC pipes together
- Available in multiple diameters.
- Make repairs easier
- Compensate for length changes
Installing or retrofitting an electrical conduit system? We got you covered! We offer everything you need for a customized electrical conduit system including PVC pipe, conduit, and fittings. Our PVC pipe and fittings are engineered for commercial and residential power, lighting, telephone, and electrical systems.
To learn more about our Conduit Accessories please visit our overview page. Our Schedule 40 Expansion Couplings can be combined with a wide array of products such as:
- Schedule 40 Straight Conduit
- Schedule 40 Conduit Sweeps
- Schedule 40 Conduit Fittings & Connectors
- Junction Boxes / Wall Plates
- PVC Glue and Cement for Electrical Conduit
What's in the box
- Schedule 40 PVC Conduit Expansion Coupling