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Economical Ceramic Ball Valve from China Suppliers - High-Quality Factory Solution for Corrosion Resistance
⭐ Key Features
- ● Economic Design: Simplified structure for lower cost without sacrificing reliability.
- ● Material Flexibility: Cost-effective ceramics tailored to working conditions.
- ● Corrosion Resistance: Zinc-free, copper-free, ideal for lithium battery and chemical sectors.
- ● Wear Resistance: Excellent abrasion protection, even in abrasive media.
- ● High Performance: Long service life and dependable sealing in moderately challenging environments.
📊 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
- ● Steel industry: coal powder injection, hot metal desulfurization, silica, and MgO handling.
- ● Gas and pneumatic conveying: sand, glass particles, cement, ore, and dust.
- ● Power plants: flue gas dust, fly ash, and abrasive ash systems.
- ● Lithium battery industry: zinc-free, copper-free processes requiring high purity.
With its combination of affordability, durability, and versatility, the ELCV provides an optimal choice for users seeking the benefits of ceramic valve technology at reduced cost.
❓ Frequently Asked Questions
💬 What makes the ELCV ceramic ball valve a cost-effective choice?
The ELCV features a simplified, economically designed structure that reduces manufacturing costs without compromising reliability. By using cost-effective ceramic materials tailored to specific working conditions, it delivers excellent performance at a lower price point compared to premium ceramic valves.
💬 Which ceramic materials are available for the ELCV valve, and how do I choose?
The ELCV supports a range of ceramic materials including Y-TZP (Zirconia), M-PSZ, 90/95/99 Al₂O₃ (Alumina), Si₃N₄ (Silicon Nitride), and SiC (Silicon Carbide). Selection depends on your working conditions such as temperature, media corrosiveness, required hardness, and mechanical strength. Refer to the technical parameters table for a detailed comparison.
💬 Is the ELCV suitable for use in the lithium battery industry?
Yes. The ELCV ceramic ball valve is zinc-free and copper-free, making it ideal for lithium battery manufacturing processes where high material purity is essential. It prevents metal ion contamination, ensuring product quality and process integrity.
💬 How does the ELCV perform in highly corrosive media such as strong acids or alkalis?
Ceramic materials such as ZrO₂, 99.9% Al₂O₃, and SiC demonstrate excellent corrosion resistance (rated "A") against most strong acids including HCL, H₂SO₄, H₃PO₄, and HNO₃, as well as alkalis like NaOH. Please refer to the Anti-Corrosive Performance Reference Table for specific media and temperature ratings before selecting a material.
💬 What size range is available for the ELCV ceramic ball valve?
The ELCV ceramic ball valve is available in sizes ranging from DN15 to DN200, covering a wide range of pipeline applications. Both O-type and V-type (V30°, V45°, V60°) ball cores are offered to meet different flow control requirements.
💬 In which industries is the ELCV ceramic ball valve most commonly used?
The ELCV is widely used across the steel industry (coal powder injection, desulfurization), gas and pneumatic conveying (sand, cement, ore), power plants (fly ash, flue gas dust), and the lithium battery industry. Its wear resistance and corrosion resistance make it suitable for any moderately to highly challenging industrial environment.

