Self-lubricating properties: Reduces friction and wear.
High purity: Suitable for demanding industries such as pharmaceuticals.
Zero leakage: Meets strict sealing requirements.
Comprehensive Introduction to Shielded Pump Silicon Carbide Ceramic Bushings
Silicon carbide ceramic bushings are high-performance industrial components made from silicon carbide (SiC) ceramic material, possessing excellent wear resistance, corrosion resistance, and high-temperature stability. They are primarily used in industrial equipment such as shielded pumps, and are particularly suitable for use under harsh operating conditions. Their main applications include:
1. Chemical industry: Used for conveying corrosive media such as strong acids (e.g., concentrated sulfuric acid, hydrofluoric acid) and strong bases (e.g., sodium hydroxide).
2. Petrochemical industry: Suitable for corrosive environments containing sulfides and organic solvents.
3. Nuclear power field: Meets high safety and long service life requirements.
4. Metallurgical industry: Withstands high temperatures and abrasive environments.
5. Water treatment: Resistant to wastewater corrosion and particle abrasion.
Application Fields
1. Chemical Industry: Corrosion-resistant components for reactors and pipeline pumps.
2. Environmental Protection Engineering: Wastewater treatment and sludge conveying equipment.
3. Oil and Gas: Wear-resistant components for extraction and transportation equipment.
4. Pharmaceutical Industry: High-purity liquid transportation systems.
5. Nuclear Power Facilities: Critical sealing components.
Core Advantages
1. Ultra-long lifespan: Lifespan in chemical pumps is more than 5 times longer than stainless steel components.
2. Maintenance-free: Achieves 5-8 years of maintenance-free operation.
3. Cost-effective: Although the unit price is higher, the overall maintenance cost is significantly reduced.
4. Safe and reliable: Maintains stable performance even under extreme working conditions.
5. Environmentally friendly and energy-saving: Reduces environmental pollution and energy waste caused by leaks.
Classic Cases
1. A chemical company: Using silicon carbide ceramic bushings in sulfuric acid transfer pumps, extending the lifespan by 5 times.
2. An environmental protection company: Extending the maintenance cycle of sludge transfer pumps from 3 months to 2 years.
3. A pharmaceutical company: Improving the qualification rate of high-purity liquid transportation by 15%.
Technical Parameters
Performance indicators | Reference values | illustrate |
hardness | HV 2200-2800 | Second only to diamond and boron carbide. |
Temperature resistance | Can reach 1600°C | Maintains strength even at high temperatures. |
density | Approximately 3.1 g/cm³ | Lightweight and high strength. |
Thermal conductivity | 100-120 W/(m·K) | Excellent heat dissipation performance. |
Coefficient of thermal expansion | 4.2×10⁻⁶/K | Good thermal stability |
Wear resistance | 5 to 20 times that of cast iron | Significantly extend the service life. |
Corrosion resistance | Resistant to strong acids and bases. | Excellent chemical stability |
Supports custom specifications.
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