Huahao Sealing · Carbon Graphite Components
BIA Series
The BIA series carbon graphite seal ring is designed for high-temperature, high-speed rotating equipment. Advanced material formulation provides excellent dimensional stability and consistent sealing performance under demanding conditions.
| Inner Dia (d) | 12 ~ 100 mm |
| Outer Dia (D) | 24 ~ 130 mm |
| Height (H) | 6 ~ 20 mm |
| Seal Face Width | 3 ~ 8 mm |
Note: Above are standard size ranges. Custom non-standard sizes available per drawing.
| Model | BIA |
| Temperature | -40°C ~ 280°C |
| Pressure | ≤ 0.8 MPa |
| Speed | ≤ 5000 rpm |
| Material | Impregnated Carbon Graphite |
| Application | Rotating shafts, agitators |
| 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:
The BIA series with anti-oxidation impregnation can operate continuously at 280°C, with short-term peaks up to 350°C.
Contact us for pricing, technical specs, or custom manufacturing needs.
