Raccorderie Metalliche and cooling plantshttps://www.racmet.com/en-ww/cooling-plants.aspxFittings are made in E195 (n. 1.0034) and galvanised. ... It is then wise to use a pipe with a polypropylene layer to protect the metal. A further protection consists of covering of the fittings with a butyl bandage. ... steelPRES fittings are pre-fitted EPDM O-Rings, a compound providing for the best [...]