Pipes for the conveying of fluids under pressure according to UNI EN 12201, EN 1622 and UNI EN ISO 15494 (PN 6, PN 10, PN 16, PN 25). Manufactured with certified high density polyethylene PE100. Used for the conveying of drinking water as they comply with the hygiene and sanitary requirements of Ministerial Decree no. 174 dated 06/04/2004 and in accordance with the organoleptic requirements verified in accordance with EN 1622. IIP mark according to UNI EN 12201, EN 12201, UNI EN ISO 15494 and EN 1622 from diameter 20 mm to 630 mm.