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China FCCV4 Anti-Deflection Ceramic Ball Valve - High-Pressure Flow Control Suppliers & Factory
Structural Characteristics and Advantages
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Anti-Bias Flow Design
Prevents severe erosion at small valve openings, ensuring consistent performance in throttling conditions.
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Vibration Reduction
Minimizes the impact of water hammer, particularly near elbows or rapid flow changes, thereby enhancing system safety.
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Noise Reduction
Available in single or multi-stage designs to reduce noise levels and comply with strict environmental and workplace standards.
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Pressure Reduction
Customizable multi-stage pressure reduction structure to meet on-site working requirements, preventing cavitation and scouring damage.
Product Description
The FCCV4 is widely used in the coal chemical industry, particularly in applications involving fluids with high-pressure differentials and potential cavitation risks. Its robust ceramic sealing surfaces provide outstanding wear and corrosion resistance, ensuring long-term reliability even under the harshest operating conditions.
By integrating erosion resistance, noise reduction, and stable throttling capabilities, the FCCV4 anti-deflection ceramic ball valve offers a comprehensive solution for industries facing severe flow regulation challenges. It is suitable for flow regulation under high differential pressure or as a primary pressure relief valve, effectively reducing erosion, vibration, and noise to acceptable levels while meeting the demands of abrasive and cavitating media.
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
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Coal Chemical Industry: Quench water flow regulation; black ash water flow control; multistage pressure-reducing valves.
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Salt Chemical Industry: Flow regulation of ash slurry in soda ash production.
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Mining & Metallurgy: Metal slurries, waste residues.
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Cement Production: Abrasive slurry handling and flow control.
Frequently Asked Questions
QWhat is the anti-bias flow design in the FCCV4 ceramic ball valve?
The anti-bias flow design is a structural feature that prevents severe erosion at small valve openings. It ensures that fluid flow remains evenly distributed across the valve seat and ball surface during throttling, significantly extending service life and maintaining consistent flow performance even under demanding conditions.
QWhich ceramic material is recommended for the highest hardness and wear resistance?
Among the materials listed, SiC (Silicon Carbide) offers the highest hardness at HRA 94, making it ideal for extremely abrasive media. For applications requiring a balance of hardness and fracture toughness, Mg-ZrO₂ (M-PSZ) with a fracture toughness of 13~15 MPa√m is a strong candidate.
QIs the FCCV4 suitable for high-pressure differential applications?
Yes. The FCCV4 is specifically engineered for flow regulation under high differential pressure. Its customizable multi-stage pressure reduction structure prevents cavitation and scouring damage, making it an effective primary pressure relief valve in demanding industrial processes such as coal chemical and salt chemical industries.
QHow does the FCCV4 reduce noise and vibration in pipeline systems?
The FCCV4 incorporates both single and multi-stage design options to dissipate pressure energy gradually, reducing turbulence-induced noise. Its vibration reduction feature minimizes water hammer effects—especially near pipe elbows or in areas with rapid flow changes—resulting in quieter, safer, and more stable pipeline operation.
QWhat corrosive media is the FCCV4 ceramic ball valve compatible with?
The FCCV4 ceramic components (ZrO₂, Al₂O₃, SiC) demonstrate excellent resistance (Grade A) to a wide range of aggressive media including 20% HCL, 90% H₂SO₄, 60% H₃PO₄, 60% HNO₃, and 30% NaOH at elevated temperatures. SiC in particular shows Grade A performance across nearly all tested media, including HF solutions.
QWhat ball core types are available and how do they affect flow capacity?
The FCCV4 is available with O-type, V60°, V45°, and V30° ball cores. The O-type ball core provides the highest flow capacity (Cv), while V-notch cores (V60°, V45°, V30°) offer progressively finer throttling control with reduced Cv values. For example, at DN100, the O-type delivers a Cv of 456, compared to 289, 192, and 128 for V60°, V45°, and V30° respectively.