01
China FCCV7 Precision Control Ceramic Ball Valve Factory - Suppliers for Accurate Flow Regulation in Abrasive Media
⚙️ 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
Q What makes the ceramic ball core superior to metal ball designs in corrosive environments?
The solid ceramic ball core offers significantly higher hardness (up to HRA 94) and near-zero water absorption, making it far more resistant to chemical attack than conventional metal or composite ball designs. Materials such as ZrO₂ and Al₂O₃ maintain excellent corrosion prevention ratings (Grade A) across a wide range of aggressive acids and alkalis, including HCl, H₂SO₄, H₃PO₄, and NaOH.
Q How does the Coanda effect groove design reduce erosion in the valve?
The Coanda effect principle causes fluid to follow the curved surface of the groove rather than separating from it, which prevents biased or turbulent flow. This results in a more uniform flow path, significantly reducing localized erosion and wear on the ceramic surfaces, thereby extending the valve's service life even in abrasive media.
Q Which ceramic material is recommended for high-temperature applications above 1200°C?
For applications requiring operating temperatures above 1200°C, Si₃N₄ (silicon nitride), SiC (silicon carbide), and 99 Al₂O₃ are all rated for use up to 1500°C. Si₃N₄ also offers the added benefit of superior thermal shock resistance (up to 200°C), making it an excellent choice for environments with rapid temperature fluctuations.
Q What flange connection standards are supported, and can the valve be used internationally?
The ceramic ball valve supports multiple international flange connection standards, including DIN (European), ANSI (American), API (petroleum industry), and JIS (Japanese). This broad compatibility ensures the valve can be seamlessly integrated into global industrial installations without requiring custom adapters or modifications.
Q Can the stem material be customized for highly aggressive chemical media?
Yes. The valve stem material is fully customizable to suit the specific chemical environment. Available options include 316L stainless steel, Hastelloy, Monel, titanium, and zirconium, among others. Each material offers distinct corrosion resistance profiles, and the appropriate choice depends on the specific media, concentration, and operating temperature of your process.
Q Is the FCCV7 ceramic ball valve suitable for precise micro-flow dosing applications?
Absolutely. The tapered groove and slotting design of the ceramic ball core enables precise throttling at very low flow rates. The valve maintains stable flow characteristics even at minimal openings, making it ideal for dosing applications in pharmaceutical manufacturing, fertilizer production, and specialty chemical processes where accurate and repeatable flow control is critical.