BPG 7300
Properties
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.
Applications
The product is designed for use in valve applications.
Operation Parameters
| Speed | 2 m/s |
| Temperature | –200°C … +400°C (most media) –200°C … +550°C (steam) |
| pH Value | 0 … 14 |
| Pressure | 25 MPa |
Product Specifications
| 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
Benefits
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