Fernco SC425W Extra Wide Large Diameter Drain Coupling 400 to 425mm

The Fernco SC425W Extra Wide Large Diameter Drain Coupling is a professional-grade flexible connector designed for 400425mm outside diameter pipework, featuring an extra-wide EPDM sleeve for maximum joint support and durability.

Extra Wide Large Diameter Drain Coupling Data Sheet

Built from heavy-duty EPDM rubber and reinforced with stainless steel shear-banded clamps, the SC425W provides exceptional clamp force, torque retention and resistance to movement. The extended sleeve width enhances joint coverage, improving sealing stability in municipal, infrastructure and industrial drainage systems.

Its flexible design accommodates slight pipe misalignment while maintaining a dependable airtight and watertight seal across PVC, clay, cast iron and concrete pipes. Installation is efficient using standard tools, ensuring consistent and professional results.

Key Features & Benefits:

• Designed for pipe diameters 400425mm
• Extra-wide EPDM rubber sleeve
• Heavy-duty stainless steel shear bands
• Secure airtight and watertight connection
• Enhanced joint stability and load distribution
• Resistant to vibration and environmental stress
• Tool-friendly installation
• Ideal for commercial and infrastructure drainage systems

The SC425W is a robust solution for large drainage installations requiring additional sleeve width and high-performance sealing.