BPG 7300


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.

Operation Parameters

Speed2 m/s
Temperature–200°C … +400°C (most media)
–200°C … +550°C (steam)
pH Value0 … 14
Pressure25 MPa


Product Specifications

MediaMost chemicals (solvents, hydrocarbons, acids*, lyes), steam, alcohols, oils etc.
Certificates / ApprovalsTA-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


Data Sheet BPG 7300

Fugitive Emission Standards

Installation Instructions

Technical Information Packings