Fernco SC430W Extra Wide Large Diameter Drain Coupling 405 to 430mm

The Fernco SC430W Extra Wide Large Diameter Drain Coupling is a heavy-duty flexible connector designed for drainage pipes with outside diameters between 405430mm. Featuring an extra-wide EPDM sleeve and reinforced stainless steel shear bands, this coupling provides enhanced joint coverage and superior sealing stability in demanding drainage applications.

Extra Wide Large Diameter Drain Coupling Data Sheet

Manufactured from high-performance EPDM rubber and secured with heavy-duty stainless steel shear-banded clamps, the SC430W delivers strong clamp force and excellent torque retention. The extended sleeve width increases surface contact across the pipe joint, improving load distribution and maintaining sealing integrity under vibration, ground movement and environmental stress. Its flexible body compensates for minor pipe misalignment while ensuring a secure airtight and watertight seal.

Suitable for PVC, clay, cast iron and concrete pipe systems, the SC430W installs quickly using standard tools, helping reduce on-site labour time while delivering professional-grade performance.

Key Features & Benefits:

• Designed for pipe diameters 405430mm
• Extra-wide EPDM rubber sleeve
• Stainless steel shear-banded clamps
• Airtight and watertight sealing performance
• Enhanced joint stability and load distribution
• Compensates for minor pipe misalignment
• Tool-friendly installation
• Ideal for commercial and infrastructure drainage systems

The SC430W offers increased sleeve coverage and strength for large drainage pipe connections.