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Anti-Deflection Ceramic Ball Valve FCCV4 - High Performance Pressure Relief | China Suppliers & Factory
Structural Characteristics and Advantages
🔄
Anti-Bias Flow Design
Prevents severe erosion at small valve openings, ensuring consistent performance in throttling conditions.
📉
Vibration Reduction
Minimizes the impact of water hammer, particularly near elbows or rapid flow changes, thereby enhancing system safety.
🔇
Noise Reduction
Available in single or multi-stage designs to reduce noise levels and comply with strict environmental and workplace standards.
⚙️
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
🏭
Coal Chemical Industry
Quench water flow regulation; black ash water flow control; multistage pressure-reducing valves.
🧂
Salt Chemical Industry
Flow regulation of ash slurry in soda ash production.
⛏️
Mining & Metallurgy
Metal slurries, waste residues.
🏗️
Cement Production
Abrasive slurry handling and flow control.
❓ Frequently Asked Questions
Q
What is the anti-bias flow design in the FCCV4 ceramic ball valve and why is it important?
The anti-bias flow design prevents severe erosion at small valve openings by ensuring the flow path remains stable even during throttling. This is critical in high-pressure differential applications where conventional valves would suffer rapid wear and premature failure, especially in coal chemical and slurry handling environments.
Q
Which ceramic material is most suitable for highly corrosive media such as HF or strong acids?
Based on the anti-corrosive performance reference table, SiC (Silicon Carbide) demonstrates the broadest chemical resistance, rated "A" across nearly all tested media including HF, H₂SO₄, HCL, and HNO₃. For most strong acid environments, SiC is the recommended ceramic material. ZrO₂ and Al₂O₃ are also excellent choices except in HF-containing media.
Q
Can the FCCV4 valve be used as a primary pressure relief valve?
Yes. The FCCV4 anti-deflection ceramic ball valve is specifically designed for flow regulation under high differential pressure and can function as a primary pressure relief valve. Its multi-stage pressure reduction structure effectively prevents cavitation and scouring damage, making it suitable for demanding pressure management applications.
Q
What ball core types are available and how do they affect flow performance?
The FCCV4 is available with four ball core types: O-type, V60°, V45°, and V30°. The O-type provides the highest flow capacity (Cv), while the V-notch cores offer progressively finer flow control with decreasing Cv values. For example, at DN50, the O-type delivers a Cv of 114 while the V30° provides 32, allowing precise selection based on application flow requirements.
Q
How does the FCCV4 reduce noise and vibration compared to standard control valves?
The FCCV4 incorporates both single-stage and multi-stage noise reduction designs that dissipate energy gradually across multiple pressure-drop stages. This approach minimizes turbulence-induced noise and reduces water hammer effects, particularly in systems with elbows or rapid flow changes. The result is compliance with strict environmental and industrial workplace noise standards.
Q
What industries and applications are best suited for the FCCV4 ceramic ball valve?
The FCCV4 is ideally suited for industries handling abrasive, corrosive, or cavitating media under high pressure differentials. Key applications include quench water and black ash water flow regulation in coal chemical plants, ash slurry control in salt chemical (soda ash) production, metal slurry and waste residue handling in mining and metallurgy, and abrasive slurry flow control in cement production.