This 25mm x 1/2" MDPE Male Adapter is designed for use with Medium Density Polyethylene (MDPE) pipe. It allows you to connect 25mm pipe to 1/2" fittings and performs well under pressure, making it suitable for underground cold water systems. The adapter features an easy connect and disconnect mechanism and a high impact-resistant nut and body that can withstand thermal and mechanical stress. It has a PN16 rating, meaning a pressure rating of 16 bar. The safety factor is 3. Operating temperatures range from 20°C at 16 bar to 45°C at 10.8 bar and 70°C at 3.4 bar. It meets standards UNI 9561-9562, UNI EN 712-713-715, UNI ISO 7/1, ISO 14236, and UNI 2233. This pack contains 5 adapters.