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China FCCV3 Inner F-Lined Ceramic Ball Valve - Durable, Corrosion-Resistant Solution from Reliable Suppliers & Factory
Structural Advantages
- Flat + concave-convex sealing surfaces between valve body pieces for reliable leak prevention.
- Metal-spring reinforced packing for automatic wear compensation and sustained sealing pressure.
- PTFE seat combined with ceramic ball for low-torque operation and tight sealing.
- Valve body cavity designed with dovetail grooves to secure the lining and prevent damage.
- Multi-sided valve stem and multi-hole ball design ensure smooth operation and reduced leakage risk.
- Split structure with minimized cavity volume to prevent material accumulation.
Main Technical Parameters
| Item | Y-ZrO / Y-TZP | Mg-ZrO₂ / M-PSZ | 90 Al₂O₃ | 95 Al₂O₃ | 99 Al₂O₃ | Si₃N₄ | SiC | Common Ceramics | Carbide Alloy | 45# Steel |
| Density g/cm³ | 6.0~6.05 | 5.72~5.74 | 3.45~3.55 | 3.6~3.75 | 3.9~3.95 | 3.2~3.33 | 3.15~3.25 | 3.0~3.5 | 14~18 | 7.8 |
| Hardness HRA/C | 87 | 85 | 90 | 90 | 92 | 92 | 94 | 50~60 | 70 | 36 |
| Flexural Strength MPa | 1150 | 900 | 350 | 370 | 450 | 1200 | 470 | 20~50 | 2000 | 804 |
| Fracture Toughness (KIC) MPa√m | 10~12 | 13~15 | 3.4 | 3.6 | 4.5 | 7 | 4 | -- | 20 | 101 |
| Compressive Strength MPa | 2000 | 1800 | 1700 | 2000 | 2200 | 2800 | -- | -- | 4000 | 2000 |
| Thermal Shock Resistance °C | 87 | 110 | -- | -- | 50 | 200 | 75 | -- | 500 | 500 |
| Thermal Expansion Coefficient ×10⁻⁶/°C | 9.6 | 10 | 7.6 | 7.8 | 8.3 | 3.4 | 4 | -- | 7 | 12 |
| Modulus of Elasticity GPa | 200 | 200 | 310 | 330 | 350 | 300 | 400 | -- | 600 | -- |
| Crushing Load KN (Φ6mm) | 15 | 10 | 3.5 | 3.6 | 4 | 18 | 3.5 | -- | -- | -- |
| Using Temperature °C | <160 | <1000 | <1200 | <1250 | <1500 | <1500 | <1500 | -- | -- | <560 |
| Water Absorption | 0 | 0 | 0.02% | 0.01% | 0.00% | 0 | 0.50% | 5~10% | -- | -- |
| Corrosion Prevention | Good | Good | Good | Good | Good | Good | Good | Flooey | Good | Flooey |
* Data sources: test results or issued original documents.
⚠ Anti-Corrosive Performance Reference Table
| Media | Temperature | ZrO₂ | 99.9% Al₂O₃ | SiC | Si₃N₄ | Graphite | PTFE | Fluororubber | SS304 | SS316 | HC |
| 20% HCL | 60°C | A | A | A | B | A | A | A | C | C | B |
| 20% HCL | 95°C | A | A | A | C | A | A | A | -- | -- | C |
| 90% H₂SO₄ | 60°C | A | A | A | A | A | A | A | C | C | B |
| 90% H₂SO₄ | 95°C | A | A | A | B | A | A | A | C | C | C |
| 60% H₃PO₄ | 60°C | A | A | A | C | A | A | A | C | C | A |
| 60% H₃PO₄ | 95°C | A | A | A | C | A | A | A | C | C | A |
| 10% HF | 60°C | C | B | A | A | A | A | A | C | C | B |
| 46% HF | 95°C | C | C | A | C | A | A | A | -- | -- | C |
| 60% HNO₃ | 60°C | A | A | A | C | B | A | A | A | A | C |
| 60% HNO₃ | 95°C | A | B | A | C | B | A | A | B | B | C |
| 30% NaOH | 60°C | A | B | A | B | A | A | A | A | A | A |
| 30% NaOH | 95°C | B | B | A | C | A | A | A | A | B | A |
A≤ 0.1 mmg/cm²/day: Can be ignored or has no corrosion — recommended for use.
B= 0.1~0.3 mmg/cm²/day: Slight or very minor corrosion — use with caution.
C≥ 0.3 mmg/cm²/day: Significant corrosion — not recommended for use.
--Intense corrosion, to the extent that measurement is not possible.
▶ Flow Characteristic Sheet of Ceramic Ball Valve
| Core Specifications | O-type Ball Core | V60° Ball Core | V45° Ball Core | V30° Ball Core |
| DN15 | 10 | 7 | 4 | 3 |
| DN20 | 18.2 | 12 | 8 | 5 |
| DN25 | 29 | 18 | 12 | 8 |
| DN32 | 47 | 30 | 20 | 13 |
| DN40 | 73 | 46 | 31 | 21 |
| DN50 | 114 | 72 | 48 | 32 |
| DN65 | 181 | 115 | 76 | 51 |
| DN80 | 292 | 185 | 123 | 82 |
| DN100 | 456 | 289 | 192 | 128 |
| DN125 | 712 | 452 | 300 | 201 |
| DN150 | 1025 | 650 | 432 | 289 |
| DN200 | 1822 | 1156 | 769 | 514 |
Typical Applications (for temperatures below 180°C)
- Chlor-alkali Industry: Chlorine filling operations.
- Chemical Processes: Handling strong acids, strong alkalis, and other corrosive chemical mixtures.
- Pharmaceutical Industry: Corrosive process fluids under controlled conditions.
- Seawater Systems & Other Corrosive Media: Particle-free fluids in highly corrosive environments.
- Note: These applications are suitable for conditions where the operating temperature is below 180°C.
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The FCCV3 represents a highly cost-effective choice for industries requiring maximum corrosion resistance with reliable sealing, offering a significantly longer lifespan than conventional PTFE-lined ball valves.
Frequently Asked Questions (FAQ)
QWhat is the maximum operating temperature for the FCCV3 Inner F-Lined Ceramic Ball Valve?
The FCCV3 ceramic ball valve is designed for typical applications where the operating temperature is below 180°C. However, different ceramic materials used in the valve (such as 99 Al₂O₃ or Si₃N₄) can withstand temperatures up to 1500°C under specific conditions. Always refer to the technical parameter table for the material-specific temperature limits.
QWhat makes the FCCV3 more corrosion-resistant than standard PTFE-lined ball valves?
The FCCV3 combines a PTFE seat with a high-performance ceramic ball (such as ZrO₂ or Al₂O₃), which provides superior resistance to strong acids, strong alkalis, and other highly corrosive media. Unlike standard PTFE-lined valves, the ceramic components exhibit near-zero water absorption and excellent chemical inertness, dramatically extending service life in aggressive environments.
QWhich ceramic material is recommended for hydrofluoric acid (HF) service?
For hydrofluoric acid (HF) service, SiC (Silicon Carbide) is strongly recommended, as it achieves an "A" rating (≤ 0.1 mmg/cm²/day) at both 10% HF at 60°C and 46% HF at 95°C. ZrO₂ and Al₂O₃ are rated "C" for HF service and are not recommended in these conditions.
QHow does the dovetail groove design in the valve body improve performance?
The dovetail groove design within the valve body cavity mechanically locks the lining material in place, preventing it from loosening, shifting, or becoming damaged during operation. This structural feature ensures long-term integrity of the lining under fluctuating pressure and temperature conditions, reducing maintenance frequency and risk of leakage.
QWhat ball core types are available, and how do they affect flow control?
The FCCV3 is available with four ball core types: O-type (full bore), V60°, V45°, and V30°. The O-type provides the highest flow capacity (e.g., 1822 Cv for DN200), while the V-notch designs (V60°, V45°, V30°) offer progressively finer flow control and are ideal for throttling applications. The selection depends on the required flow characteristic and process control precision.
QIs the FCCV3 suitable for pharmaceutical and chlor-alkali industry applications?
Yes. The FCCV3 is well-suited for pharmaceutical industry applications involving corrosive process fluids under controlled conditions, as well as chlor-alkali industry processes such as chlorine filling operations. Its ceramic-lined construction, low-torque operation, and reliable sealing performance make it a dependable solution for these demanding environments, provided the operating temperature remains below 180°C.