| Custom 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 Expertise: From Concept to Finished Custom Valve Ball Development
We provide more than just machining services; we offer a complete development system for Customized ball valve balls.
In-Depth Application Analysis & Co-Design
Our engineering team works closely with you to thoroughly understand media properties, pressure-temperature profiles, cycle life requirements, and installation environment. Based on this, we jointly define the optimal technical path for your Custom ball valve balls, including structural optimization (e.g., flow passage design, rib reinforcement) and precise definition of performance metrics.
Full-Process Custom Manufacturing
From material formulation selection, forging/casting prototype development, to targeted heat treatment, precision machining, and final specialized surface treatment, we establish an independent process control document for every batch of Custom Balls for ball valve, ensuring performance fully meets design expectations with perfect traceability.

Core Competence in Special Abrasion-Resistant Solutions
- Abrasion Resistant valve balls are one of our key specialties. For harsh media containing solid particles, slurries, or those prone to erosion, we offer multiple advanced solutions:
- Bulk Wear-Resistant Materials: Manufacturing balls from materials like high-chromium cast iron or specially hardened stainless steel, ensuring high hardness and wear resistance throughout the bulk material.
- Composite Surface Hardening: Applying extremely hard, wear-resistant surfaces such as Tungsten Carbide, Chromium Alloy, or specialized ceramic coatings via HVOF (High-Velocity Oxygen Fuel) spraying onto a tough substrate to resist particle scour and scratching.
- Structural Anti-Wear Design: Optimizing the ball's surface geometry to guide media flow and reduce direct impact on critical sealing areas.

Technical Focus: The Systems Engineering Behind Customization
Performance-Driven Material Science:
Customization begins with materials. Based on primary needs-be it corrosion resistance, wear resistance, high strength, or high temperature-we select or even co-develop specialized materials with steel mills, ensuring the genetic advantage of our Custom valve Balls.
Simulation & Validation First:
Before manufacturing begins, we utilize CFD and FEA tools to simulate custom designs, predicting flow characteristics, stress distribution, and wear patterns. This allows for optimization during the design phase, reducing development risk.
Application-Scenario Testing:
For special products like Abrasion Resistant valve balls, we can arrange comparative tests simulating working conditions, providing objective performance data reports to support your final decision-making.
Why Entrust Your Custom Project to TongBall?
A Problem-Solver, Not Just a Supplier:
We view each custom request as a technical challenge to be solved, committed to providing fundamental performance solutions, not merely executing a drawing.
Customization Across the Value Chain:
Our custom service spans design consultation, material science, special processes, and testing verification, offering a true one-stop Customized valve balls service.
Experience in Abrasion Resistance:
Through providing Abrasion Resistant valve balls for extreme wear sectors like mining, coal chemical, and slurry pipelines, we have accumulated valuable failure analysis and a formulation database, enabling preventive design advice for your project.
Facing Non-Standard Conditions or Severe Wear Challenges?
If you are looking for more than a standard parts supplier, but an engineering partner who can deeply understand your problems and provide high-performance Custom ball valve balls solutions, TongBall is your ideal choice. Start with a Custom Balls for ball valve to enhance the reliability and lifespan of your entire system.
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