01
China Economical Ceramic Ball Valve - High-Quality Suppliers & Factory for Corrosion Resistance Applications
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 (FAQ)
What makes the ELCV ceramic ball valve cost-effective compared to standard ceramic valves?
The ELCV features a simplified economic design structure that reduces manufacturing complexity and cost, while still utilizing high-quality ceramic materials tailored to specific working conditions — delivering reliable performance without the premium price of full-spec ceramic valves.
Which ceramic material offers the best corrosion resistance for chemical applications?
ZrO₂ (Zirconia) and 99.9% Al₂O₃ (Alumina) both demonstrate excellent corrosion resistance (Grade A) across most acid and alkali media including HCL, H₂SO₄, H₃PO₄, HNO₃, and NaOH. SiC also performs consistently well across all tested media, making it a top choice for highly corrosive environments.
Is the ELCV ceramic ball valve suitable for the lithium battery industry?
Yes. The ELCV is specifically designed to be zinc-free and copper-free, which meets the strict purity requirements of lithium battery manufacturing processes. This makes it an ideal solution for battery-grade chemical handling applications.
What are the available ball core types and how do they affect flow characteristics?
The ELCV is available with four ball core types: O-type, V60°, V45°, and V30°. The O-type provides the highest flow rate (e.g., 1822 Cv at DN200), while V30° offers the most throttled flow control (e.g., 514 Cv at DN200). The V-type cores are ideal for proportional flow regulation applications.
How does the wear resistance of ceramic compare to carbide alloy and steel?
Ceramic materials such as SiC (HRA 94) and Al₂O₃ (HRA 92) offer significantly higher hardness than 45# Steel (HRC 36), providing superior wear resistance in abrasive media. While carbide alloy has higher fracture toughness, ceramics outperform steel and common alloys in long-term abrasion protection with zero water absorption.
What industries and media types is the ELCV ceramic ball valve best suited for?
The ELCV is well-suited for the steel industry (coal powder, MgO), gas and pneumatic conveying systems (sand, cement, ore), power plants (fly ash, flue gas dust), and the lithium battery and chemical sectors. It performs reliably in moderately challenging environments where both corrosion and wear resistance are required.