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The Plasson MDPE Pipe Liner (also known as a stiffener insert) is an essential component when using compression fittings with MDPE water pipe. Designed to fit inside the pipe before installation, the liner reinforces the pipe wall and ensures a secure, leak-free connection.

Used in mains water supply, irrigation systems and underground installations, pipe liners help maintain the correct pipe shape under compression, improving joint strength and long-term reliability. A simple but critical addition for professional, compliant installations.

Key Features & Benefits

• Designed for use with MDPE pipe and compression fittings

• Reinforces pipe wall to ensure secure joint performance

• Helps prevent pipe distortion under compression

• Improves long-term sealing and reliability

• Essential for potable (drinking) water installations

• Quick and easy to install

• Suitable for above-ground and underground use

• Compatible with Plasson compression fittings

• Durable construction for long service life

• Available in multiple metric MDPE sizes

Plasson MDPE pipe liners are a vital component when installing compression fittings on MDPE water pipe systems. Commonly used in mains water connections, irrigation networks and underground service pipework, these stiffener inserts help maintain pipe integrity and ensure a strong, leak-free seal. Available in a full range of metric sizes to suit standard MDPE pipe installations.