Joint d'etancheite
https://www.racmet.com/fr-ww/item-v22.aspx
Communication > Glossaire > Joint d'etancheite Joint d'etancheite O-Ring: Joint profilé lenticulaire breveté qui adhère parfaitement à la chambre toroïdale.

FKM
https://www.racmet.com/fr-ww/fkm.aspx
Communication > Glossaire > FKM FKM Joint (O-Ring) OU joint d'étanchéité à profil lenticulaire breveté positionné dans le profil aux extrémités des raccords à sertir pour installations sans silicone (Silicone Free)

Joint
https://www.racmet.com/fr-ww/joint.aspx
Communication > Glossaire > Joint Joint Joint ou O-ring OU joint d'étanchéité breveté à profil lenticulaire positionnée dans le profil aux extrémités des raccords à sertir.

Pressfitting systems for Compressed Air Installations, LAB
https://www.racmet.com/fr-ww/pressfitting-systems-for-compressed-air-installations.aspx
Depending on the residual oil present in the compressed air lines, it will be necessary to check that the EPDM O-Ring is suitable, or if necessary, replace it with the FKM O-Ring. For example, for compressed air in class 5, with an oil content that is higher than 5 MG/M3, it is recommended to use the FMK [...]

Pressfitting systems for Heating and Cooling Installations, LAB
https://www.racmet.com/fr-ww/pressfitting-systems-for-heating-and-cooling-installations.aspx
Pressfitting systems inoxPRES (316L stainless steel), steelPRES (galvanized carbon steel) and aesPRES (copper) with black O-Ring in EPDM can be used in hot water heating circuits and in cooling and cryogenic circuits. inoxPRES and aesPRES systems can be used in open and closed circuits while the steelPRES system can only be used in closed circuits.

Pressfitting systems for Gas Distribution Installations, LAB
https://www.racmet.com/fr-ww/pressfitting-systems-for-gas-distribution-installations.aspx
In compliance with the regulations, all fittings in the 4 ranges of Raccorderie Metalliche are externally marked in yellow and they are equipped with a specific yellow O-Ring.

Pressfitting systems for Potable Water Installations, LAB
https://www.racmet.com/fr-ww/pressfitting-systems-for-potable-water-installations.aspx
Both systems are equipped with a patented lenticular O-Ring in EPDM suitable for the conveyance of drinking water that meets all the requirements of the certification entities and passed the strict hygiene tests.