Model |
Designation of the mechanical seal part |
QT - SIC RING |
Material |
Material used for the ring |
Silicon Carbide (SIC) |
Outer Diameter |
The outer dimension of the ring |
100 mm |
Inner Diameter |
The inner dimension of the ring |
80 mm |
Thickness |
The height or thickness of the ring |
15 mm |
Hardness |
Resistance to indentation |
2500 - 3000 HV (Vickers Hardness) |
Density |
Mass per unit volume |
3.1 - 3.2 g/cm³ |
Compressive Strength |
Ability to withstand compressive forces |
2500 - 3000 MPa |
Flexural Strength |
Resistance to bending forces |
500 - 600 MPa |
Fracture Toughness |
Ability to resist crack propagation |
4 - 5 MPa·m¹/² |
Elastic Modulus |
Measure of stiffness |
400 - 450 GPa |
Poisson's Ratio |
Ratio of lateral strain to axial strain |
0.16 - 0.18 |
Surface Finish |
Smoothness of the surface |
Ra ≤ 0.2 µm |
Radial Run - out |
Deviation from a perfect circular path in the radial direction |
≤ 0.03 mm |
Axial Run - out |
Deviation from a perfect perpendicularity in the axial direction |
≤ 0.02 mm |
Operating Temperature Range |
Temperatures at which the seal can operate effectively |
-20°C to 200°C |
Operating Pressure Range |
Pressures at which the seal can operate effectively |
0 - 10 MPa |
Chemical Resistance |
Resistance to various chemicals |
Excellent resistance to acids (e.g., hydrochloric acid, sulfuric acid up to certain concentrations), alkalis (e.g., sodium hydroxide), and many organic solvents |
Abrasion Resistance |
Ability to resist wear due to friction |
High abrasion resistance, suitable for applications with solid particles in the fluid |
Corrosion Resistance |
Resistance to corrosion |
High corrosion resistance in most chemical environments |
Dynamic Friction Coefficient |
Coefficient of friction during movement |
0.1 - 0.2 |
Static Friction Coefficient |
Coefficient of friction when stationary |
0.15 - 0.25 |
Porosity |
Percentage of voids in the material |
≤ 1% |
Grain Size |
Size of the grains in the material |
1 - 5 µm |
Thermal Conductivity |
Ability to conduct heat |
80 - 100 W/(m·K) |
Specific Heat Capacity |
Amount of heat required to raise the temperature of a unit mass |
0.7 - 0.9 J/(g·K) |
Coefficient of Friction Variation |
Variation in the coefficient of friction over time |
≤ 10% |
Seal Face Flatness |
Degree of flatness of the sealing face |
≤ 0.0005 mm |
Radial Clearance |
Clearance in the radial direction |
0.05 - 0.1 mm |
Axial Clearance |
Clearance in the axial direction |
0.03 - 0.08 mm |
Torque Requirement |
Torque needed for installation or operation |
10 - 20 N·m |
Installation Force |
Force required for proper installation |
500 - 1000 N |
Life Expectancy |
Expected lifespan under normal operating conditions |
1 - 3 years |