Yongjia Tong Ball Valve Co., Ltd.: Your Professional Ball 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 Ball Valve Balls
Quick and easy operation
Ball valves have a simple design, typically consisting of a handle or lever and a spherical ball with a hole through it. This design allows for quick and easy operation, making them ideal for applications where rapid shut-off or control is required.
Reliable shut-off
Ball valves provide a reliable and tight shut-off when fully closed. The spherical ball with a hole aligns perfectly with the flow path when closed, minimizing the chances of leakage.
Minimal pressure drop
Ball valves typically have a low pressure drop across the valve when fully open. This ensures that the flow of fluid or gas through the valve is not significantly restricted, which is important in high-flow applications.
Durability
Ball valves are generally durable and can withstand a wide range of temperatures and pressures. They are often made from materials such as stainless steel, brass, or PVC, which resist corrosion and wear.
Versatility
Ball valves are suitable for a wide range of fluids and gases, including water, oil, gas, steam, and corrosive chemicals. They are commonly used in industries such as petrochemical, water treatment, HVAC, and pharmaceuticals.
Low maintenance
Ball valves require minimal maintenance because of their simple design. With proper installation and operation, they can last for a long time without needing frequent repairs or replacement.
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 Ball Valve Balls
Industrial manufacturing
In industrial manufacturing environments, where process efficiency and equipment longevity are paramount, the selection of ball valve materials is critical. Solid stainless steel balls are preferred for handling high-viscosity fluids due to their strength and resistance to deformation. For aggressive or abrasive media, such as slurries and chemical mixtures, ceramic balls offer superior wear resistance and extended service life.
Oil and gas
The oil and gas industry relies heavily on durable and reliable flow control solutions, especially in high-pressure and hazardous environments. Chrome-plated brass balls are commonly used in ball valves for their excellent balance of mechanical strength, corrosion resistance, and cost-effectiveness. These balls are particularly effective in managing the flow of hydrocarbons during upstream exploration, drilling operations, and pipeline transportation.
Agriculture
In agricultural applications, ball valves are integral to irrigation systems, fertilizer injectors, and pesticide spraying equipment—all of which often involve exposure to corrosive chemicals and fluctuating environmental conditions. Teflon-coated balls are extensively used because they resist chemical degradation from fertilizers, herbicides, and other agrochemicals, ensuring long-term valve integrity and leak-free operation.
Water treatment
Water treatment facilities operate in chemically aggressive environments involving chlorine, ozone, acids, and abrasive particulates. In such settings, ceramic balls are highly valued for their outstanding resistance to abrasion, erosion, and chemical attack. They maintain dimensional stability and sealing performance even after prolonged exposure to harsh media, making them ideal for filtration, disinfection, and sludge-handling processes.
Pharmaceuticals
The pharmaceutical industry demands the highest standards of hygiene, purity, and contamination control. Teflon-coated balls are the preferred choice in this sector due to their exceptional chemical inertness, smooth surface finish, and non-reactive properties. These characteristics prevent leaching of metallic ions and ensure compatibility with aggressive cleaning agents like caustic soda and sanitizing solvents used in Clean-in-Place (CIP) systems.
Packaging and Shipping
Certifications
FAQ
With abundant machining experience, we are one of the most professional ball valve balls manufacturers in China. We warmly welcome you to buy ball valve balls at competitive price from our factory. If you have any enquiry about cooperation, please feel free to email us.
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