Polyfast 50mm SDR11 Pipe Stiffener (Grey) – 46450

A heavy-duty acetal pipe insert designed for use with 50mm MDPE SDR11 pipe to provide essential internal support at compression joints. By maintaining the roundness and structural stability of the pipe end, this stiffener ensures a leak-free seal under pressure in potable cold water systems up to 12 bar. Fully compliant and WRAS approved.

• Fits inside 50mm SDR11 MDPE pipe to reinforce pipe ends
• Prevents collapse or distortion during compression fitting tightening
• Suitable for cold water systems rated up to 12 bar
• High-performance acetal construction resists pressure and deformation
• WRAS approved for safe use in potable water installations