Sintered Silicon Carbide Mechanical Seal Ring
Sintered silicon carbide mechanical seal rings — rotating and stationary rings for pumps working under high speed rotation, sand flush abrasion and corrosion.
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Product Category
Pressureless Sintered Silicon Carbide
Pressureless sintered silicon carbide (SSiC) parts made from high purity, ultrafine SiC powder. Seal rings, nozzles and wear sleeves for service in high concentrations of acid or alkali medium.
Overview
About Pressureless Sintered Silicon Carbide
Pressureless sintered of silicon carbide in high purity and ultrafine silicon carbide powder as raw material, add a small amount of sintering additives at 2100 °C high temperature sintering vacuum environment, the products obtained almost entirely density, excellent mechanical properties of ceramic materials. It can be used in the high concentrations of acid or alkali medium. This material is widely application in mechanical seal face, valve bearing and oil, chemical industry, aerospace, automotive and other fields.
They have the property of excellent resistant-corrosion, high mechanical strength, high thermal conductivity, good self-lubrication, used as seal faces, bearings and tubes in spacecraft, machinery, metallurgy, printing and dyeing, food stuff, pharmaceutical, auto industry and so on. When the SiC faces are combined with graphite faces the friction is the smallest and they can be made into mechanical seals which are able to work in highest working requirements.
Products
Products in This Category
Sintered Silicon-Nozzle
Sintered silicon carbide nozzles with high flexing strength at elevated temperatures and high thermal shock resistance — for burners, kiln furniture and drill bits.
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Sintered Silicon-Wear Sleeves
Silicon carbide wear sleeves for rotating support, aligning, anti-thrust and seal of the axle of submerged electric pumps in the oil field.
View ProductWho It Is For
- Mechanical seal manufacturers needing faces for aggressive media
- Pump and valve OEMs building slurry and waste water pumps
- Ceramic plants needing burner nozzles and kiln furniture
- Oil and natural gas service companies using PDC and cone roller bits
- Submerged electric pump builders needing shaft sleeves
Problems It Solves
- Service in high concentrations of acid or alkali medium
- Seal faces that must survive sand flush abrasion
- High temperature duty up to 1600 °C in air
- Friction reduction when paired with graphite faces
Core Advantages
- Almost entirely density with excellent mechanical properties
- Free-Si content below 0.1 percent
- Purity of SiC at 99 percent or above
- Thermal conductivity of 90 to 110 w/m.k
- Hardness of HRA 92 or above
Technical Data
Specifications
| Operating Limits | Units | SSiC | RBSiC |
|---|---|---|---|
| Volume Density | g/cm³ | 3.08~3.15 | ≥3.03 |
| Hardness | HRA | ≥92 | ≥90 |
| Indicated Porosity | % | <0.2 | <0.2 |
| Compressive Strength | Mpa | ≥2400 | ≥2000 |
| Flexural Strength | Mpa | >400 | >350 |
| Free-Si content | % | <0.1 | <12 |
| Purity (SIC Percentage) | % | ≥99 | ≥98 |
| Elastic Modulus | GPa | ≥400 | 350 |
| Thermal Conductivity | w/m.k | 90-110 | 50-100 |
| Coefficient of Thermal | 10⁶.1/°C | 4.0 | 4.0 |
| Maximum Service Temp Air | °C | 1600 | 1000 |
Related
Related Pages
FAQ
Category FAQ
What Is In This Category
This category contains Sintered Silicon Carbide Mechanical Seal Ring, Sintered Silicon-Nozzle, Sintered Silicon-Wear Sleeves.
What Medium Can This Grade Handle
High concentrations of acid or alkali medium.
What Is The Maximum Service Temperature In Air
1600 °C.
Can You Make Parts To Drawing
Yes. We produce the products according to the drawings and requirements of our customers.
Request a Quote for Pressureless Sintered Silicon Carbide
Tell us the medium the temperature and the dimensions and we will confirm the grade and the geometry.