58B Series
The 58B series is a medium-duty mechanical seal ring with balanced design capable of handling higher pressures. Suitable for demanding applications such as power plant circulating water pumps and large industrial pumps.
| Inner Dia (d) | 20 ~ 100 mm |
| Outer Dia (D) | 36 ~ 130 mm |
| Height (H) | 10 ~ 24 mm |
Note: Above are standard size ranges. Custom non-standard sizes available per drawing.

| Model | 58B |
| Temperature | -20°C ~ 200°C |
| Pressure | ≤ 2.0 MPa |
| Speed | ≤ 4000 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.