Silicone free systems
https://www.racmet.com/en-ww/silicon-free-systems.aspx
Raccorderie Metalliche has set up a whole range of Inoxpres system ‘’Silicone Free’’ with the FKM o-ring, tested and following the highest standards of cleanness which allows to respect the ASTM international standards.... For those applications where the degreasing of the system is required (i.e. varnishing installations) the new InoxPRES [...]

FKM
https://www.racmet.com/en-ww/fkm.aspx
Communication > Glossary > FKM FKM O-Ring; Oring; OR; fluorocarbon rubber; patented lens-shaped sealing ring placed at the bulging edges of pressfitting fittings with inoxPRES HT’s system for silicone free plants.

Raccorderie Metalliche and thermal solar plants
https://www.racmet.com/en-ww/thermal-solar-plants.aspx
All inoxPRES fittings are pre-fitted EPDM O-Ring, soon replaced by a  green FKM O-Ring developed to be used at high temperatures -20/+220° C and compatible with Glycol inside the plant. ... All steelPRES fittings are pre-fitted EPDM O-Ring, soon replaced by a  green FKM O-Ring developed to be used at high temperatures -20/+220° C and [...]

Raccorderie Metalliche and compressed air plants
https://www.racmet.com/en-ww/compressed-air-plants.aspx
As for plants with oil residues Class 5, Raccorderie Metalliche developed a new range named “Silicon Free” with green O-Ring in FKM. ... For those applications where the degreasing of the system is required (i.e. varnishing installations) the new InoxPRES FKM silicon free range is available. ... As for plants with oil residues Class 5, [...]

Raccorderie Metalliche and brackish water plants
https://www.racmet.com/en-ww/brackish-water-plants.aspx
All marinePRES fittings are fitted with a green O-Ring in FKM, compatible with Class 1 and 5 plants (ISO 8573-1/2001) and PN16 approved.

Raccorderie Metalliche and process water plants
https://www.racmet.com/en-ww/water-process-plants.aspx
All marinePRES joints are fitted with a green O-Ring in FKM, compatible with Class 1 and 5 plants (ISO 8573-1/2001) and PN16 approved.

Raccorderie Metalliche and heating plants
https://www.racmet.com/en-ww/heating-plants.aspx
All marinePRES fittings are pre-fitted with a green O-Ring in FKM, providing for an operating use range from -20/+220°C and a maximum pressure accounting for 16bar.

Raccorderie Metalliche and cooling plants
https://www.racmet.com/en-ww/cooling-plants.aspx
All marinePRES fittings are pre-fitted with a green O-Ring in FKM, providing for an operating use range from -20/+220°C and a maximum pressure accounting for 16bar.

HT
https://www.racmet.com/en-ww/ht.aspx
Communication > Glossary > HT HT Pressfitting systems for silicone free plants; HT; FKM. InoxPRES “Silicone free” range of products; made of stainless steel, with FKM O-Ring used in the industrial sector, where degreasing conditions of all components, pipes and fittings are mandatory for a correct management of the whole plant.

Silicone free
https://www.racmet.com/en-ww/silicone-free.aspx
Communication > Glossary > Silicone free Silicone free Pressfitting systems for silicone free plants; HT; FKM. InoxPRES “Silicone free” range of products; made of stainless steel, with FKM O-Ring used in the industrial sector, where degreasing conditions of all components, pipes and fittings are mandatory for a correct management of the whole plant.