Raccorderie Metalliche and potable water transportationhttps://www.racmet.com/en-ww/potable-water-plants.aspxRead More inoxPRES e aesPRES Joints in certified quality. inoxPRES and aesPRES fittings by Raccorderie Metalliche pre-fitted with EPDM O-Rings, underwent and passed European tests and certifications on potable water quality such as DVGW W534 3 and the German KTW .