C-Ball Ball Valves OEM/ODM

Home / Products / Quarter Turn Valves / C-Ball Ball Valves
  • C-Ball Ball Valves
  • C-Ball Ball Valves

C-Ball Ball Valves

Cavity-Free Reliability for Critical Isolation & Flow Control

"No Trapped Media. Zero Compromise. Trust Valve’s C-Ball—Built for Uninterrupted Performance."

INQUIRY
  • Key Features & Benefits
  • Product Range
  • Technical Specifications
  • Application Sectors

   

Features

Benefits

C-Shaped Ball Geometry

Eliminates internal cavities where media (slurries, viscous fluids, or solids) can accumulate, harden, or cause pressure buildup—critical for preventing blockages and unplanned shutdowns.

Double-Eccentric Mechanism

The ball rotates on two axes, ensuring minimal contact with the seat during opening/closing. This reduces friction and wear, extending valve life by up to 50% compared to standard ball valves in high-cycle applications.

Metal-to-Metal Bubble-Tight Sealing

Hardened Stellite®-faced seats and a precision-machined C-ball create a metal-to-metal seal that exceeds API 598 Class VI leakage standards. Ideal for containing toxic, flammable, or high-value media.

Fire-Safe & Anti-Static Design

Inherently fire-safe (compliant with API 607/6FA) with no reliance on soft seals—metal components maintain integrity during fires. Anti-static stems prevent electrostatic discharge in hazardous areas.

Forged Alloy Construction

Body and trim materials (WCB carbon steel, WC6 alloy steel, duplex stainless steel) withstand extreme pressures (up to CLASS 4500/PN 760) and temperatures (-196°C to 538°C), adapting to HPHT and cryogenic services.

  • Key Features & Benefits
  • Product Range
  • Technical Specifications
  • Application Sectors

Industrial C-Ball Ball Valves

  • Versatile workhorses for general isolation and flow control in oil & gas, petrochemical, and power systems.
  • Sizes: NPS 2" to 24" (DN 50 to DN 600); Pressure Classes: CLASS 150 to 3000.

HPHT C-Ball Ball Valves

  • Reinforced forged bodies and heavy-duty trunnion supports for ultra-high pressure (CLASS 4500/PN 760) and temperature (538°C) applications.
  • Ideal for wellhead manifolds, subsea pipelines, and supercritical steam systems.

Specialty C-Ball Variants

  • Sour Service: NACE MR0175/ISO 15156-compliant materials (22Cr duplex, 25Cr super duplex) resist sulfide stress cracking in H₂S-rich environments.
  • Cryogenic: Extended bonnets and low-temperature alloys (LCB, 316L) for LNG/LPG service (-196°C to -50°C), preventing ice buildup.
  • Abrasive Service: Tungsten carbide-coated balls/seats for slurry, mining, and particle-laden media (e.g., coal slurry, mineral processing).
  • Key Features & Benefits
  • Product Range
  • Technical Specifications
  • Application Sectors
  • Size Range: NPS 2" to 48" (DN 50 to DN 1200)
  • Pressure Classes: CLASS 150 to 4500 (PN 20 to PN 760)
  • Temperature Range: -196°C (-320°F) to 538°C (1000°F)
  • Body Materials: Carbon Steel (WCB, A105), Alloy Steel (WC6, WC9), Duplex/Super Duplex Stainless Steel
  • Seat/Ball Materials: Stellite® 6, Inconel® 625, Tungsten Carbide (abrasive service)
  • End Connections: Flanged (RF, RTJ per ASME B16.5), Butt-Weld (ASME B16.25), Threaded (NPT/BSP)
  • Testing: Hydrostatic shell test (1.5× rated pressure), seat test (1.1× rated pressure), fire-safe testing (API 607), and NACE TM0177 (sour service).
  • Key Features & Benefits
  • Product Range
  • Technical Specifications
  • Application Sectors
  • Oil & Gas: Pipeline isolation, pig launchers/receivers, wellhead manifolds, and sour gas gathering lines.
  • Petrochemical: High-pressure reactor feed lines, solvent transfer, and hydrogen compression systems.
  • Power Generation: Steam header isolation, boiler feedwater, and flue gas desulfurization (FGD) systems.
  • LNG/LPG: Cryogenic storage and transfer lines, where cavity-free design prevents ice blockages.
  • Mining & Minerals: Slurry transport, tailings management, and mineral processing—resisting abrasion from solids.
ABOUT US
Company Profile
Trust Valve (JiangSu) Co.,Ltd.
Trust Valve (Jiangsu) Co., Ltd. was established in 1997 and is a professional valve supplier specializing in the design, production, and sales of special materials and special structure valves.

As China C-Ball Ball Valves Manufacturers and C-Ball Ball Valves Suppliers, the ERP management software used by the company now has ISO9001 certification TS、HSE、EAC、API6D、API602、API624、ISO15848、API607、API 6FA、ISO 10497、TA-Luft、SIL、CE Wait for a series of certificates, the main products are various types of ultra-low temperature valves, hydrogenation valves, plunger valves, multi way valves, tank bottom valves, spray valves and other specially customized valves, mainly used in high temperature, high pressure, strong corrosion, ultra-low temperature, ultra-high temperature and other special working conditions.

The company is committed to providing specialized services such as valve selection, material selection, customization, etc. for special working conditions to users, providing solutions, and achieving common value between users and factories.
Certificate
Latest News
  • Quarter Turn Valves: A Comprehensive Guide to Types, Applications, and Benefits
    Nov 25,2025 --- Industry News
    Introduction to Quarter Turn Valves Definition and Basic Principle of Operation Quarter turn valves are industrial valves designed to open or close with a 90-degree rotation of the actuator or handle. This type of motion allows the valve to move quickly between the fully open and fully closed positi...
  • How Can Cryogenic Valves Improve the Efficiency of Gas and Liquid Storage Systems?
    Nov 25,2025 --- Industry News
    1. Maintaining System Integrity Cryogenic valves play a fundamental role in ensuring the long-term stability and safety of gas and liquid storage systems that handle cryogenic fluids. These fluids, such as liquid nitrogen (LN2), liquefied natural gas (LNG), or liquid oxygen (LOX), are stored at extr...
  • Application of Valves in the Oil Refining Industry
    Feb 24,2025 --- Industry News
    Valves play a critical role in the oil refining industry, being essential for crude oil processing, product refining, storage, transportation, and auxiliary systems. They directly impact production safety, efficiency, and environmental compliance. Below are the key applications and technical charact...
Knowledge Industry
The Role of C-Ball Ball Valves in Corrosive Environments
In corrosive environments, the material used to construct C-Ball Ball Valves is critical for their performance and longevity. At Trust Valve (Jiangsu) Co., Ltd., we prioritize material selection to ensure our valves can withstand even the harshest conditions. Various materials are chosen based on the specific environmental factors, including temperature, pressure, and the chemical composition of the fluids the valves will control. Stainless steel is one of the most commonly used materials in valve manufacturing due to its general resistance to corrosion and oxidation. For applications where the corrosive environment is less aggressive, stainless steel (such as grades 304 and 316) is often sufficient. These materials offer an excellent balance of cost-effectiveness, strength, and resistance to mild acids, salts, and other common industrial chemicals. However, for more severe corrosive conditions, we rely on high-performance alloys, such as duplex stainless steels, which offer improved resistance to localized corrosion like pitting and crevice corrosion. Duplex stainless steel has a higher chromium and molybdenum content, enhancing its resistance to harsh chemicals and increasing its ability to withstand corrosive environments. Titanium, on the other hand, offers unmatched resistance to corrosion in seawater and highly reactive media, making it the ideal choice for marine and offshore applications. Trust Valve (Jiangsu) Co., Ltd. utilizes these high-performance materials to ensure that our C-Ball Ball Valves stand up to the demands of challenging industrial environments. Through careful material selection, we can offer valves that maintain their strength, durability, and tight shut-off capabilities over an extended period, even in the harshest corrosive settings. We understand that the wrong material selection can result in catastrophic failure, so we go above and beyond to ensure that each C-Ball Ball Valve is designed with the best material suited to the customer’s specific needs.

In addition to selecting the right material for our C-Ball Ball Valves, Trust Valve (Jiangsu) Co., Ltd. uses advanced coatings and surface treatments to further enhance the corrosion resistance of our valves. These coatings act as protective barriers between the valve material and the corrosive media, significantly improving the valve's performance in challenging environments. One of the most common coatings used in industrial valves is PTFE (Polytetrafluoroethylene). PTFE is highly resistant to a wide range of chemicals, including acids, alkalis, and solvents. It also offers excellent thermal stability, making it suitable for use in high-temperature applications. At Trust Valve, we apply PTFE coatings to C-Ball Ball Valves to provide a non-stick surface that minimizes the buildup of corrosive substances on the valve body. This coating not only extends the service life of the valve but also ensures that the valve maintains a smooth operation, preventing wear and tear over time. Another effective coating used in our valves is epoxy. Epoxy coatings are applied to valve surfaces to provide a protective layer against corrosive substances like acids, alkalis, and seawater. Epoxy coatings have high adhesion strength and offer excellent chemical resistance, which makes them particularly suitable for use in environments where the valve is exposed to strong chemicals, industrial waste, or saline solutions. The protective layer also helps to prevent surface degradation caused by pitting and crevice corrosion, ensuring a longer lifespan for the valve. In more demanding environments, we apply ceramic coatings. Ceramic coatings are known for their exceptional hardness and resistance to both corrosion and abrasion. These coatings are ideal for applications where valves are exposed to abrasive slurries or high-impact conditions, such as in mining or slurry transport systems. The ceramic layer creates a hard, durable surface that resists wear and tear, keeping the valve operating smoothly even under extreme conditions. Nickel and chrome plating are often used on valves that need an extra layer of protection against corrosion. These metals offer high resistance to chemical attack, especially in applications where the valve will be exposed to chloride-based solutions or other aggressive media. Chrome and nickel plating enhance the valve's resistance to wear, improving its overall performance in corrosive environments. By using these advanced coatings and surface treatments, Trust Valve (Jiangsu) Co., Ltd. ensures that our C-Ball Ball Valves maintain their integrity, durability, and performance in corrosive environments, reducing the need for frequent maintenance and extending the lifespan of critical valve components.

The sealing system of a valve plays a crucial role in maintaining its effectiveness and preventing leaks, particularly in corrosive environments. Trust Valve (Jiangsu) Co., Ltd. pays close attention to the selection and design of sealing systems for our C-Ball Ball Valves, ensuring that they provide a secure, leak-tight seal while resisting the aggressive effects of corrosion. For many corrosive applications, we utilize graphite seals. Graphite is known for its excellent resistance to high temperatures and aggressive chemicals, including acids, alkalis, and solvents. It is also highly flexible, which allows it to conform to irregular surfaces and provide an effective seal even under fluctuating pressure conditions. Graphite seals are ideal for high-temperature applications and are commonly used in valves handling steam, hot gases, and other high-temperature fluids. In corrosive environments, the ability of graphite seals to withstand chemical attack ensures that the valve will continue to perform reliably, even in the harshest settings. For applications requiring even greater corrosion resistance, PTFE (Polytetrafluoroethylene) seals are often employed. PTFE is non-reactive and resistant to most chemicals, making it an ideal material for valves in corrosive environments. PTFE seals are also highly resistant to thermal expansion, maintaining a tight seal even in fluctuating temperatures. Trust Valve (Jiangsu) Co., Ltd. uses PTFE seals in our C-Ball Ball Valves to ensure reliable sealing performance, particularly in applications where corrosive substances are present. These seals provide exceptional durability, ensuring that the valve will maintain its integrity over time, preventing leaks that could lead to system failures or safety hazards. In applications where metal-to-metal seals are required, we utilize seals made from high-strength materials such as stainless steel, Hastelloy®, or Inconel®. Metal-to-metal seals provide a permanent, leak-proof seal without relying on soft sealing materials. These seals are particularly suitable for high-pressure and high-temperature applications, where softer sealing materials might fail. Metal-to-metal seals are also more resistant to wear and tear, making them ideal for systems that require long-term reliability in aggressive environments. Each of the sealing systems used in Trust Valve (Jiangsu) Co., Ltd.'s C-Ball Ball Valves is carefully designed to meet the specific demands of the application. Whether dealing with high temperatures, corrosive chemicals, or high pressures, we ensure that our sealing systems provide the reliability and performance necessary to maintain safe and efficient operation.

Even the most advanced materials, coatings, and sealing systems cannot eliminate the need for regular maintenance. In corrosive environments, it is crucial to monitor valve performance and conduct routine inspections to ensure that the valves continue to operate reliably over time. Trust Valve (Jiangsu) Co., Ltd. designs our C-Ball Ball Valves with ease of maintenance in mind, ensuring that they can be serviced quickly and efficiently, reducing downtime and extending their lifespan. Regular maintenance involves inspecting the valve for signs of corrosion, wear, or other damage. For valves operating in corrosive environments, it is essential to check the condition of the valve's seals, coatings, and surfaces. Any degradation of the sealing system can lead to leakage, compromising the safety and efficiency of the system. Regular cleaning of the valve is necessary to remove any buildup of corrosive substances, such as salts or acids, which can accelerate wear and corrosion. One of the key aspects of valve maintenance is monitoring for signs of pitting or crevice corrosion. These forms of localized corrosion can be difficult to detect, but they are particularly damaging to valve components. Pitting corrosion can cause deep holes to form in the valve body or ball, compromising the structural integrity of the valve. Similarly, crevice corrosion can occur in hard-to-reach areas, such as the spaces between the valve stem and body, where stagnant fluid can create an environment conducive to corrosion. By regularly inspecting these areas, we can identify early signs of damage and take corrective action before a failure occurs. By implementing a routine maintenance schedule, Trust Valve (Jiangsu) Co., Ltd. ensures that our C-Ball Ball Valves continue to provide reliable performance over the long term. Regular maintenance helps prevent unexpected downtime, reduces the need for expensive repairs, and improves the overall efficiency of the system. Proper maintenance ensures that the valves retain their corrosion-resistant properties, reducing the risk of failure due to environmental factors.