The Fernco MAG400 Magnum Coupling is a heavy-duty drain coupling designed to provide a secure and flexible seal for pipes with an outside diameter between 400mm and 499mm. Specifically engineered for large-diameter sewer and civil engineering applications, this coupling ensures maximum clamp strength and long-term sealing confidence for major drainage installations and repairs.

• Durable Construction: Manufactured from high-quality EPDM rubber for excellent resistance to environmental stress and mechanical loads.
• Shear Banded Protection: Incorporates a Grade 1 304 stainless steel shear band to maintain pipe alignment and resist heavy earth loads.
• Superior Sealing: Features multiple heavy-duty stainless steel clamps that deliver high torque retention for an airtight and watertight finish.
• Versatile Compatibility: The flexible sleeve accommodates minor pipe movement and misalignment across various materials, including PVC, clay, concrete, and cast iron.
• Optimised Dimensions: Created with a substantial width of 370mm to ensure a stable and reliable connection on extra-large pipes.
• Efficient Installation: Installs easily using standard tools, helping to reduce downtime on large-scale industrial and infrastructure projects.
• Model Code: MAG400

Ideally suited for professional use in demanding below-ground environments, the MAG400 Magnum Coupling offers a robust solution for high-stress drainage connections. Its corrosion-resistant components ensure a long-lasting repair or installation in commercial and civil settings.