| Zirconium Valve Balls | ||
| Size Range | 1/2" to 56" (Custom sizes available) | |
| Pressure Rating | PN10-PN420 (Class150-2500) | |
| Body Material | A105, A350 LF2, A182 F304, A182 F316, A182 F321, A182 F51, A182 F53, A182 F55, A182 F60, A182 F44, A564 630 (17-4PH) INCONEL625, INCONEL718, INCONEL825, Monel 400, Monel 500 etc |
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| Core Process/Coating | ENP,HCR,STL6, STL12, STL20,Cr3C2, WC-Co, WC-Cr3C2-Ni, TiC-NiMo, SiC, CrC,ZrO2, Al2O3, Cr2O3, ZnO, TiO, Al2O3-TiO2,STL1, STL6, STL12,Ni60, Ni55, Ni45 etc. | |
| Operating Temperature Range | ≤1200°C | |
| Parameter Category | Core Technical Parameters | Standards for Determining Advanced Technological Level |
| Machining ball accuracy | ≤ 0.025 mm | ≤ 0.005 mm (Ultra-High Precision) |
| Processing ball Roundness | ≤ 0.025 mm | ≤ 0.011 mm (Micron-Level ) |
| Balls concentricity | ≤ 0.025 mm | ≤ 0.005 mm (Ultra-High Precision) |
| Other supplements | ≤ 0.4 μm | ≤ 0.1 μm (Mirror-Level) |
| Parameter Category | Core Technical Parameters | Criteria for High-End Technical Level |
| Coating Thickness Control | Thickness Uniformity | Thickness deviation at any spherical position ≤±8% (stricter than the general ±10% standard) |
| Thickness Tolerance Range | 100 - 300 μm (common range for wear-resistant layers); special ranges can be noted. No missed spraying for ultra-thin coatings (<10μm) | |
| Coating Adhesion Performance | Surface Hardness | HV 1300+ |
| Bond StrengthBond Strength | ≥80 MPa | |
| Interface PorosityInterface Porosity | <0.5% | |
| Coating Surface Quality | Surface Roughness (Ra) | ≤0.2 µm |
| Spraying Accuracy (Positioning & Coverage) | Spraying Positioning Accuracy | ±0.1mm |
Core Products: Specialty Metal Valve Balls Born for Strong Acid Environments
Zirconium is not a common corrosion-resistant metal. The dense oxide film it forms in specific media grants it near-absolute stability in reducing strong acid environments, making it an irreplaceable choice.
Conquering the Strongholds of HCl and Hot Concentrated H₂SO₄
The core value of our Zirconium valve Balls series lies in their exceptional corrosion resistance to boiling hydrochloric acid, various concentrations of sulfuric acid (especially ≥70%), and multiple strong inorganic acids. Its corrosion resistance mechanism stems from a self-generating, rapidly repairable zirconium oxide (ZrO₂) protective film on the surface. This makes Zirconium Balls for valve the most reliable core for critical control and isolation valves in strong acid processes such as acetic acid, pesticide, and titanium dioxide production.
Comprehensive Product Form Support
We can provide Solid valve Balls in zirconium suitable for different valve structures:
- Floating Zirconium valve balls: Specifically manufactured for acid-resistant valves with a floating ball design, ensuring pressure-energized sealing in acid media, combining material corrosion resistance with structural reliability.
- Zirconium ball valve Balls: Provide a full range of Zirconium Balls products, supporting the manufacturing and maintenance of various trunnion-mounted and special design ball valves, serving as key spare parts for upgrading highly corrosive pipelines.
Quality Heritage from Nuclear Standards to Chemical Applications
Zirconium was initially used in the nuclear industry for its low thermal neutron absorption cross-section, which imposed extremely high requirements for purity and traceability. We extend this stringent standard for material purity and consistency to the manufacturing of Special Material Balls for chemical applications. From source control of sponge zirconium to vacuum melting and forging, we ensure extremely low levels of harmful impurities (e.g., iron, nitrogen), which is fundamental to guaranteeing its corrosion resistance.
Technical Focus: The Manufacturing Philosophy of Taming a Reactive Metal
Zirconium is a "reactive metal" that readily reacts with oxygen, nitrogen, and hydrogen at high temperatures, presenting unique challenges for its processing.
Air-Isolated Hot Working and Heat Treatment:
All our high-temperature processes (e.g., forging, annealing) are conducted under vacuum or inert gas protection to prevent the zirconium balls from absorbing oxygen and nitrogen, which can form brittle surface layers, ensuring material toughness and corrosion resistance are not compromised during processing.
Precision Cold Working and Surface Finishing:
We employ low-speed, high-feed cold machining strategies coupled with special cutting fluids to control work hardening and heat buildup. The final surface finish utilizes chemical polishing or special electropolishing to achieve a uniform, dense, passivated surface free from embedded contaminants-a critical step for unleashing its optimal corrosion resistance.
Stringent Impurity Control and Testing:
Beyond dimensional and NDT inspections, we monitor key impurity element content in finished Zirconium valve Balls through methods like spectral analysis, ensuring the material composition of every ball falls within the optimal corrosion resistance window.
Why Must You Choose TongBall's Zirconium Valve Balls for Strong Acid Service?
Experts in Reactive Metal Processing:
We understand the "temperament" of zirconium, possessing a complete set of dedicated equipment and process know-how for handling this material in an inert environment, capable of transforming it from a reactive metal ingot into a performance-stable precision component.
Guardians of Material Purity:
We understand that for zirconium, 99% purity versus 99.9% purity can mean a world of difference in corrosion resistance. We are committed to source control, pursuing higher material purity.
Providing Specific Solutions for Specific Media:
We do not vaguely discuss "corrosion resistance." Instead, we explicitly state that our Zirconium valve Balls are a "specific-effect" solution targeted at reducing acids like hydrochloric and sulfuric acid, offering clear and precise technical recommendations.
Is Your System Battling Boiling Hydrochloric or Concentrated Sulfuric Acid?
When conventional "advanced" alloy valve balls suffer drastically shortened lifespans against strong acids, and frequent replacement has become a production pain point and safety concern, it is time to consider a fundamental upgrade through materials science. TongBall's Zirconium valve Balls series represents the ultimate response to the strongest acid corrosion challenges.
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