Gibault Joint for HDPE is a mechanical pipe connection solution that offers ease of installation, material flexibility, and ease of maintenance. While not as strong as permanent joints like butt fusion, Gibault Joint is ideal for temporary installations, repairs, or multi-material connections.
Gibault Joint Structure and Components
1. Main Body
Made of ductile iron or carbon steel coated with epoxy.
Functions as a retaining shell and pipe clamp.
2. End Rings / End Flanges
Pressure rings that push the gasket to grip the pipe.
Tightened with bolts to the main body.
3. Rubber Gasket
Usually made of EPDM or NBR rubber.
Seals the joint to prevent leaks.
Compensates for slight pipe displacement (expansion/contraction).
4. Bolts and Nuts
Used to tighten the end rings so the gasket presses evenly against the pipe.
5. Protective Layer
Epoxy/fusion bonded epoxy (FBE) coating on metal parts to prevent corrosion.
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