Which O-Rings are required for solar installations?, The expert answers
https://www.racmet.com/en-ww/which-o-rings-are-required-for-solar-installations.aspx
FKM (fluorocarbon rubber) O-Rings have suitable characteristics for solar panel installations.

Raccorderie Metalliche - silicone free systems, Events and News, Raccorderie Metalliche
https://www.racmet.com/en-ww/sli.aspx
Events and News > Raccorderie Metalliche - silicone free systems Raccorderie Metalliche - silicone free systems 06/02/2017 Raccorderie Metalliche has developed a stainless steel Pressfitting system for silicone free systems, with fkm O-Ring. ...   The new inoxPRES FKM Silicone Free range is suitable for any industrial applications requiring degreasing [...]

O-ring
https://www.racmet.com/en-ww/o-ring.aspx
Different O-Rings are available according to the type of application (EPDM, STEAM, HT, FKM, NBR-HNBR,MVQ)

Raccorderie Metalliche and Silicone free systems, Events and News, Raccorderie Metalliche
https://www.racmet.com/en-ww/raccorderie-metalliche-and-silicone-free-systems-v1.aspx
Events and News > Raccorderie Metalliche and Silicone free systems Raccorderie Metalliche and Silicone free systems 06/05/2018 A new Silicone Free stainless steel pressfitting range with FKM O-Ring, suitable for applications that do not require the use of silicone.   Raccorderie Metalliche has set up a whole range of Inoxpres system ‘’Silicone [...]

Which O-Rings are currently available?, The expert answers
https://www.racmet.com/en-ww/which-o-rings-are-currently-available.aspx
The O-Rings currently available are: EPDM (ethylene-propylene diene polymer) O-Rings usually assembled on pressfitting joints; NBR (nitrile rubber) O-Rings; FKM (fluorocarbon rubber) O-Rings; MVQ (silicone rubber) O-Rings; For uses different from traditional uses (water, EPDM, gas NBR, solar FKM), always enquire about compatibility by contacting our [...]

Silicone free systems, LAB
https://www.racmet.com/en-ww/silicone-free-systems.aspx
Academy > LAB > Silicone free systems Silicone free systems 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.

Pressfitting systems in cupronickel, marinePRES / Cupro Nickel
https://www.racmet.com/en-ww/marine-pres.aspx
A green FKM O-Ring, developed by Raccorderie Metalliche through patented innovation, is directly mounted in this chamber during manufacturing. ... A wide range of seamless Tees, patented by Raccorderie Metalliche A range of reliable fittings equipped with a green FKM O-Ring developed by Raccorderie Metalliche, the result of patented innovation. ... Green [...]

Cupronickel Joints. Which are the fields of application?, The expert answers
https://www.racmet.com/en-ww/cupronickel-joints-which-are-the-fields-of-application.aspx
The mounted green FKM O-rings can be used between -20/+220°C, maximum pressure 16bar, providing for quality and safety as well Find out more  

An unforgettable atmosphere to introduce new products, Events and News, Raccorderie Metalliche
https://www.racmet.com/en-ww/an-unforgettable-atmosphere-to-introduce-new-products.aspx
The Cantina Merano Burggräfler in Marlengo is a modern cave with a unique technical knowhow, easily transferring enthusiasm and innovation   Raccorderie Metalliche told its story, the story of pressfitting and introduced the most important new products as the pressfitting Oversize, with the new diameters 139-168, Steam with a white O-Ring  and silicon-free O-Ring [...]

What are the inoxPRES Steam and the inoxPRES Silicone Free?, The expert answers
https://www.racmet.com/en-ww/what-are-the-inoxpres-steam-and-the-inoxpres-silicone-free.aspx
The Silicone Free (HT) range is a new pressfitting range, made of Silicone Free stainless steel with a FKM O-Ring, designed for all silicone-free applications (example: industrial painting plants).