PE x PE coupling - 16bar. PE connection coupling for use in cold and cooling water systems, sea water and chlorine water systems. Suitable for connection to PE transport pipes. The use of a straight insulation kit with shrink caps or EPDM-end caps is recommended for underground connections. • 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. 63/5.8, 63x63