PE-coupling with male thread - 16 Bar. Polypropylene coupling for use in cold and cooling water systems, sea water and chlorine water systems. Suitable for connection to PE transport pipes. • Max operating pressure at 20°C: 16 bar for 32-63 mm • Max operating pressure at 20°C: 10 bar for 75-110 mm • PE pipes: SDR 11 • Material: polypropylene. 40/3.7, 1 1/4”M