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Precision Control Ceramic Ball Valve FCCV7 - China Suppliers & Factory for Flow Regulation in Harsh Conditions
Structural Characteristics and Advantages
- 🔷 Tapered grooves on the ceramic ball core create flow regulation windows, providing extremely accurate control even at minimal flow levels.
- 🔷 Coanda effect principle applied in the groove design prevents biased flow, reducing turbulence and erosion, while maintaining stable flow characteristics.
- 🔷 Solid ceramic ball core is significantly stronger than conventional metal or composite ball designs, offering exceptional wear resistance in corrosive and erosive media.
- 🔷 Slotting design enables precision throttling of micro-flows, ensuring stability in dosing and continuous process operations.
- 🔷 Customizable stem materials (316L stainless steel, Hastelloy, Monel, titanium, zirconium, etc.) adapt to different chemical environments for optimal corrosion resistance.
- 🔷 Flanged connection design supports multiple standards (DIN, ANSI, API, JIS) for global applicability.
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 |
Application Fields
- 🏭 Pharmaceutical industry: precise control of corrosive and abrasive additives.
- 🌱 Fertilizer production: regulation of acidic or alkaline solutions in dosing processes.
- 🧪 Specialty chemicals: accurate handling of corrosive slurries and fine chemical agents.
- 💨 Pneumatic conveying systems: precision transport of powders and additives under controlled flow.
With its combination of precision engineering, advanced ceramic durability, and versatile material selection, the FCCV7 delivers outstanding control performance in the most challenging industrial environments.
Frequently Asked Questions (FAQ)
What makes the ceramic ball core superior to conventional metal ball designs?
The solid ceramic ball core offers significantly higher hardness and wear resistance compared to conventional metal or composite ball designs. It withstands corrosive and erosive media far more effectively, extending the valve's service life even in the most demanding chemical environments.
How does the Coanda effect principle benefit the valve's performance?
The Coanda effect principle applied in the groove design prevents biased flow within the valve. This reduces turbulence and erosion on internal surfaces, while maintaining stable and predictable flow characteristics throughout the full range of operation.
What connection standards does this ceramic ball valve support?
The flanged connection design of this valve supports multiple international standards including DIN, ANSI, API, and JIS, making it suitable for global industrial applications without requiring special adapters or modifications.
Which ceramic material is best for highly corrosive media such as strong acids?
Based on the Anti-Corrosive Performance Reference Table, ZrO₂ (Y-TZP) and 99.9% Al₂O₃ demonstrate excellent resistance (Grade A) to most strong acids including HCL, H₂SO₄, H₃PO₄, and HNO₃. SiC also shows outstanding performance across nearly all tested media. Material selection should be based on the specific media, concentration, and operating temperature.
Can the stem material be customized for specific chemical environments?
Yes. The valve offers customizable stem materials including 316L stainless steel, Hastelloy, Monel, titanium, zirconium, and more. This flexibility allows the valve to be precisely tailored to different chemical environments, ensuring optimal corrosion resistance and long-term reliability.
What industries are best suited for this ceramic ball valve?
This valve is ideal for industries requiring precise flow control of aggressive or abrasive media, including pharmaceutical manufacturing, fertilizer production, specialty chemical processing, and pneumatic conveying systems. Its advanced ceramic construction and precision engineering make it particularly well-suited for continuous dosing and micro-flow throttling applications.