| Zirconium Valve Stems | ||
| 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 Stem accuracy | ≤ 0.025 mm | ≤ 0.005 mm (Ultra-High Precision) |
| Processing Stem Roundness | ≤ 0.025 mm | ≤ 0.011 mm (Micron-Level ) |
| 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 Product: Engineered for Maximum Corrosion Defense
Our Zirconium valve stems are designed to withstand conditions that rapidly degrade most metals, focusing on applications where passive film stability in non-oxidizing acids is critical.
Superior Resistance to Reducing Acids: Zirconium forms a stable, protective oxide layer in challenging environments. This makes our Corrosion Resistant ball valve stems in zirconium ideal for handling concentrated sulfuric and hydrochloric acids at elevated temperatures, providing a reliable sealing interface where other materials would corrode.
Performance Under Combined Stress: For processes involving aggressive media at elevated pressures and temperatures, our High temperature High pressure valve stems in zirconium offer the necessary mechanical strength alongside supreme corrosion resistance, ensuring dependable operation in demanding reactor feed and transfer systems.
Customized for Specific Applications: We provide Custom valve stems and Hardened valve stems in zirconium, tailored to meet precise dimensional, mechanical, and surface treatment requirements for unique system designs or to enhance wear resistance in abrasive slurry services.
Expert Support & Specialized Manufacturing
We deliver the focused expertise required for these highly specialized, critical components.
Application-Specific Engineering
Our team provides detailed consultation to ensure zirconium is the optimal and cost-effective choice for your specific acid concentration, temperature, and pressure conditions.
Precision Manufacturing & Certification
We employ specialized techniques for machining and heat-treating zirconium, ensuring each stem meets exact specifications with full traceability for critical service in chemical and nuclear industries.
Lifecycle Performance Assurance
We support your operations with comprehensive technical data and compatibility guidance to ensure long-term integrity during maintenance and component replacement.
Why Choose TongBall Zirconium Stems?
Definitive Solution for Reducing Acids
Provides unmatched corrosion resistance in hot, concentrated sulfuric, hydrochloric, and phosphoric acid services.
Enables Operation in Extreme Conditions
Allows valves to function reliably in high-concentration acid environments at elevated temperatures and pressures, expanding process design possibilities.
Specialized Manufacturing Expertise
We possess the specific knowledge to process zirconium effectively, a material known for its challenging machining characteristics.
Proven in Critical Acid Service
Trusted in the most demanding sections of chemical plants, such as acid reboilers, concentrators, and high-purity pharmaceutical processing lines.
For processes where success depends on conquering the most aggressive reducing acid environments, zirconium offers the ultimate level of material performance.
Partner with TongBall for Zirconium Valve Stems and Special valve stems that deliver absolute reliability, enabling safe and efficient operation in your most severe chemical processing systems.
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