Huahao Sealing · Carbon Graphite Components
109 Series
The 109 series is one of the most widely used general mechanical seal ring models, suitable for centrifugal pumps handling clean fluids, water pumps, and wastewater pumps. Standardized dimensions make replacement easy with reliable, stable performance.
| Inner Dia (d) | 10 ~ 80 mm |
| Outer Dia (D) | 22 ~ 100 mm |
| Height (H) | 6 ~ 18 mm |
Note: Above are standard size ranges. Custom non-standard sizes available per drawing.
| Model | 109 |
| Temperature | -20°C ~ 180°C |
| Pressure | ≤ 1.0 MPa |
| Speed | ≤ 4000 rpm |
| Medium | Clean water, wastewater, light oil |
| 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.
