JiFeng Ceramics
Core Technologies & Process Innovations
1. Precision Structural Design
Spherical Sealing Pair
- Ra ≤ 0.02 μm; leakage rate < 0.01 mL/min at 6 MPa
- Spherical roundness < 0.5 μm (air flotation lapping)
Flow Channel Optimization
- CFD-designed low-turbulence flow (pressure loss ↓40%, flow ↑15%)
- V-notch anti-cavity structure (cavitation damage ↓90%)
2. Material Strengthening Solutions
Toughening Treatment
- ZrO₂ phase transformation toughening; KIC = 6 MPa·m¹ᐟ²; impact resistance ×3
Surface Functionalization
- DLC coating: friction ↓ to 0.05; wear life ×10
- TiN coating: erosion life >100,000 hours in slurry
Applications of Alumina Ceramic Valve Core
1. Industrial Harsh Media Control
Chemical Valves
- Resists 98% H₂SO₄, 40% NaOH; pH 0–14
- Zero metal ion leaching; high-purity production safe
Seawater Desalination
- Cl⁻ resistant (50 ppm; annual corrosion <0.001 mm)
- Anti-biofouling surface (attachment ↓>95%)
2. Energy & Environmental Equipment
High-Temp Gas Valves
- Resists 800°C H₂S; service life >5 years
- Thermal expansion matched with Inconel (<0.01 mm/100°C)
Nuclear Boric Acid Control Valves
- Radiation resistant (>10⁶ Gy; strength retention >98%)
- Low hysteresis; repeatability ±0.1°
3. High-Reliability Civil Scenarios
Smart Sanitary Thermostatic Valves
- Lead-free (NSF/ANSI 61 certified)
- Torque ≤1.5 N·m (↓60% vs metal)
Water Purification Solenoid Valves
- Zero leachables (TDS <1 ppm)
- Fast response (<10 ms)
