The Plasson Mechanical Compression Female Adaptor is ideally used for conveying water and other fluids in urban and inter-urban infrastructure, industrial, mining, landscape, and farming applications. It connects water mains pipes and any water supply pipes. Used to connect both MDPE and MDPE irrigation pipes, a pipe liner is required when using this fitting with MDPE piping. Made from virgin Polypropylene for immense impact strength and stress resistance, this fitting is extremely robust and strong, making it perfectly suited for outdoor use in direct sunlight and frost resistant. The coupler comes with a captive O-ring to create a perfectly water-tight seal, making it easy and fast to install by simply tightening the grip once secured to the pipe. Mechanical compression fittings tested to withstand working pressures of up to 16 bar. Features impressive stress resistance, is easy to install, provides a leak-free seal, and connects to many pipe types and materials. WRAS approved.