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Precision Control Ceramic Ball Valve FCCV7 - China Suppliers & Factory for Corrosive and Abrasive Applications
Structural Characteristics and Advantages
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Tapered Grooves on Ceramic Ball CoreCreate flow regulation windows, providing extremely accurate control even at minimal flow levels.
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Coanda Effect PrincipleApplied in the groove design to prevent biased flow, reducing turbulence and erosion while maintaining stable flow characteristics.
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Solid Ceramic Ball CoreSignificantly stronger than conventional metal or composite ball designs, offering exceptional wear resistance in corrosive and erosive media.
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Slotting DesignEnables precision throttling of micro-flows, ensuring stability in dosing and continuous process operations.
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Customizable Stem Materials316L stainless steel, Hastelloy, Monel, titanium, zirconium, etc. — adapt to different chemical environments for optimal corrosion resistance.
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Flanged Connection DesignSupports 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
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Pharmaceutical IndustryPrecise control of corrosive and abrasive additives.
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Fertilizer ProductionRegulation of acidic or alkaline solutions in dosing processes.
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Specialty ChemicalsAccurate handling of corrosive slurries and fine chemical agents.
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Pneumatic Conveying SystemsPrecision 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
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What is the advantage of a tapered groove ceramic ball core over a standard ball core?The tapered groove design creates precise flow regulation windows that allow for extremely accurate control even at minimal flow levels. Combined with the Coanda effect principle, it prevents biased flow, reduces turbulence and erosion, and maintains stable flow characteristics throughout the valve's operating range.
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Which ceramic material offers the best overall performance for highly corrosive applications?ZrO₂ (Y-TZP) and SiC generally offer the best all-round performance for corrosive applications. ZrO₂ provides excellent corrosion resistance (rated A) against most strong acids and alkalis, while SiC excels in environments including HF. The best choice depends on the specific media — our anti-corrosive performance reference table provides detailed guidance for each chemical.
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What connection standards are supported by the ceramic ball valve?The flanged connection design supports multiple international standards including DIN, ANSI, API, and JIS, making the valve suitable for global industrial applications and easy to integrate into existing pipeline systems worldwide.
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What stem materials are available and how do I choose the right one?Stem materials include 316L stainless steel, Hastelloy, Monel, titanium, and zirconium, among others. The selection depends on the chemical environment: 316L is suitable for general corrosive media, Hastelloy and Monel are ideal for highly aggressive acids, while titanium and zirconium are recommended for extreme chemical resistance requirements such as strong oxidizing acids or HF environments.
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Is the ceramic ball valve suitable for micro-flow and precision dosing applications?Yes. The slotting design on the ceramic ball core is specifically engineered to enable precision throttling of micro-flows. This ensures excellent stability in dosing applications and continuous process operations, making it ideal for the pharmaceutical, specialty chemical, and fertilizer industries.
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How does the ceramic ball valve perform compared to metal valves in erosive media?The solid ceramic ball core is significantly stronger and harder than conventional metal or composite ball designs. With hardness ratings up to HRA 94 (SiC) and compressive strengths exceeding 2800 MPa, ceramic ball valves deliver exceptional wear resistance in abrasive and erosive media where metal valves would suffer rapid degradation, resulting in a much longer service life and reduced maintenance costs.