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The Polylok 450 mm (18in) Pipe Adapter Ring for Corrugated Pipe is a versatile, high-performance solution designed to securely connect any 450 mm / 18″ corrugated pipe to septic tanks, access chambers, and other underground systems. Manufactured from virgin high-density polyethylene (HDPE), this adapter ring offers exceptional strength, durability, and chemical resistance—making it ideal for demanding environments across Europe and the United Kingdom.
The Polylok adapter ring is widely used for retrofitting existing tanks, allowing installers to replace outdated access points with modern riser systems and corrugated pipe extensions. Whether used for septic systems, wastewater chambers, pump tanks, or stormwater applications, this adapter ring provides a dependable transition point that saves time, simplifies installation, and reduces the need for multiple product variations on site.
Designed for efficiency, the 450 mm (18in) Pipe Adapter Ring for Corrugated Pipe accepts any 18″ (450 mm) corrugated pipe, offering excellent compatibility across industry-standard pipe designs. It can cover tank openings up to 26″ square, making it suitable for a wide range of older or non-standard tank configurations commonly found across the UK and Europe. Installers only need to keep one adapter ring in stock, streamlining inventory and lowering operational costs.
450 mm (18in) Pipe Adapter Ring is lightweight yet tough HDPE construction ensures long-term performance, resisting soil pressure, moisture, and environmental conditions. Installation is simple and fast, enabling contractors to retrofit systems without major excavation or complex modifications. An optional riser adapter ring kit is available for applications that require additional height or direct integration with Polylok risers.
For a reliable, cost-effective, and universally compatible access solution, choose the 450 mm (18in) Pipe Adapter Ring—engineered for professional use across the UK and Europe.
