FBD Series
The FBD carbon graphite seal ring is a specialized model for specific pump types and sealing device applications. Standardized interface dimensions and optimized carbon graphite material ensure long-term sealing performance under rated operating conditions.
| Inner Dia (d) | 12 ~ 80 mm |
| Outer Dia (D) | 24 ~ 100 mm |
| Height (H) | 6 ~ 18 mm |
Note: Above are standard size ranges. Custom non-standard sizes available per drawing.

| Model | FBD |
| Temperature | -20°C ~ 180°C |
| Pressure | ≤ 0.8 MPa |
| Speed | ≤ 3000 rpm |
| Compressive Strength | 92 MPa |
| Carbon Content | 99.9% |
| Flexural Strength | 38 MPa |
| Shore Hardness | 78 HS |
| Ash Content | 0.002% |
Above are physical properties of standard graphite (M106H). Performance improves with different impregnation processes.
Carbon graphite seal rings perform best with these mating materials:
Contact us for pricing, technical specs, or custom manufacturing needs.