The sealing set contains five packing rings made from laminated carbon non-woven and expanded graphite foil and is additionally coated with a special high temperature impregnation.
The product is designed for use in valve applications.
|Temperature||–200°C … +400°C (most media)|
–200°C … +550°C (steam)
|pH Value||0 … 14|
|Media||Most chemicals (solvents, hydrocarbons, acids*, lyes), steam, alcohols, oils etc.|
|Certificates / Approvals||TA-Luft, ISO 15848, API 589 (Fire Safe)|
*Exceptions: strongly oxidising acids like sulphuric acid and nitric acid in high concentrations
- Very low leakage rates compared to standard expanded graphite rings
- Minimized adhesion and sticking of graphite particles on the spindle due to the carbon non-woven layer on the inside of the ring
- Lower friction forces in comparison to expanded graphite rings