Yongjia Tong Ball Valve Co., Ltd.: Your Professional Solid Valve Balls Manufacturer!
Founded in 2009, Tong Ball Valve Co., Ltd. is a national high-tech enterprise specializing in precision valve balls for severe service applications. We provide reliable solutions for global industrial valve manufacturers through advanced material processing, precision machining, and surface coating technologies. With strict quality control and full production traceability, our products are widely used in oil & gas, petrochemical, power generation, and other demanding industries worldwide.
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Why choose us?
Advanced materials & surface engineering
We specialize in difficult-to-machine materials including duplex stainless steel, titanium, Inconel, zirconium, and engineering ceramics. Combined with HVOF, plasma spray, DLC/TiN coating, and laser cladding technologies, our valve balls deliver excellent wear resistance, corrosion resistance, and long-term sealing performance.
Experienced technical support & global supply
Supported by a technical team with over 30 years of industry experience, we offer customized valve ball solutions based on different application requirements. As an authorized supplier for global companies including Emerson and Flowserve, our products have been exported to more than 20 countries and regions
Precision manufacturing for severe service
Our machining accuracy reaches roundness ≤0.001 mm, supporting stable sealing performance under high pressure, high temperature, and corrosive working conditions. Products are validated through rigorous cycle testing to ensure durability and operational reliability.
Strict quality control & full traceability
From raw material inspection to final testing, every production process follows strict quality standards. We provide 100% inspection and complete production traceability, helping customers reduce quality risks and improve supply chain confidence.
Benefits of Solid Valve Balls
High-pressure & high-temperature durability
Solid construction prevents structural failure, deformation (e.g., crushing), or cracking under extreme pressure drops or water hammer scenarios.
01
Wear & erosion resistance
Because they do not have a hollow cavity, they eliminate the internal turbulence and micro-cavitation that erode lightweight hollow balls over time.
02
Ideal for abrasive media
Solid balls handle viscous fluids, heavy slurries, and debris much better than hollow designs, preventing internal clogging and material wear.
03
Low total cost of ownership
While they come with a higher initial purchase price than hollow alternatives, solid balls offer a longer lifespan and require fewer replacements in harsh environments.
04
Smooth flow characteristics
The straight-through, uninterrupted surface reduces micro-turbulence, ensuring a consistent and smooth medium flow.
05
Product Specifications
|
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 |
Application of Solid Valve Balls
Oil & gas pipelines
Utilized to control and monitor the flow of crude oil, natural gas, and refined by-products under extreme pressures.
Power Generation
Controls steam, cooling systems, and water management where durability against high-temperature cycling is required.
Chemical & petrochemical processing
Manages corrosive substances, harsh chemicals, and volatile gases safely without risking structural failure.
Fire protection systems
Employed in sprinkler and foam-based fire suppression systems where immediate, leak-tight operation is critical.
Packaging and Shipping
Certifications
FAQ
With abundant machining experience, we are one of the most professional solid valve balls manufacturers in China. We warmly welcome you to buy solid valve balls at competitive price from our factory. If you have any enquiry about cooperation, please feel free to email us.
Titanium balls, Zirconium ball valve Balls, M400 valve Balls
