MDPE straight pipe compression coupling Suitable for medium density polyethylene (MDPE) pipe Both ends are the same size, to join two 32mm pipes Impact-resistant nut and body This design copes well with high levels of thermal and mechanical stress - ideal for use in underground cold water systems PN16 Rating Pressure Rating: 16 bar. Safety Factor: 3. Operating Temperature: 20°C @ 16 bar, 45°C @ 10.8 bar, 70°C @ 3.4bar. Standards: UNI 9561-9562, UNI EN 712-713-715, UNI ISO 7/1, ISO 14236, UNI 2233.2 Pack.