Raccorderie Metalliche and compressed air plantshttps://www.racmet.com/en-ww/compressed-air-plants.aspxIn such cases we recommend the use of stainless steel pipes AISI 316 l (1.4404) or AISI 304 (1.4301). As to supply designers and installers the best possible solution, inoxPRES fittings can be used with 2 different ranges of stainless steel pipes: complete range in 1.4404 (AISI 316L) [...]