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Ball valve, gas valve. Efficient, durable, and precise control. Tailored for industrial applications, provide optimized process solutions, and reduce operating costs. Rapid customization service, global certification, and support for urgent needs.

The ball valve regulates fluid flow. It operates by opening or closing fluid passages with a rotating ball containing a hole. The ball valve is characterized by its simple structure and good sealing. It is easy to operate by opening or closing with a 90-degree rotation, and minimal fluid resistance. This makes the ball valve widely used in controlling the flow of water, steam, oil, gas, and some corrosive media.

The ball valve can be classified into straight-through, three-way, and four-way types based on the direction of its passages. It can also be sorted according to its control mechanisms. Including manual operation, pneumatic drive, and electric drive, among others. Due to its reliable sealing and long service life, gas valve is extensively utilized in many industrial process control systems.

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Categories of ball valve

1.  By Operation Method:

  • Manual Ball Valve: Operated by a handle, suitable for infrequent use or applications that don't require remote control.
  • Electric Gas Valve: Operated by an electric actuator, ideal for remote control or automation.

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  • Pneumatic Gas Valve: Controlled by a pneumatic actuator, commonly used for quick switching, and large valves, suitable for hazardous environments.
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2.  By Connection Method:

  • Threaded Connection Gas Valve: Connected to pipes via internal or external threads, easy to install, suitable for small-sized valves.
  • Flanged Connection Gas Valve: Connected to pipes via flanges, suitable for large-sized valves or systems requiring high pressure.
  • Welded Connection Gas Valve: Connected to pipes via welding, ensuring strong and sealed connections, suitable for high-pressure and high-temperature environments.
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3.  By Passage Type:

  • Full Port Ball Valve: Ball passage diameter matches pipe diameter, minimizing fluid resistance, suitable for applications requiring minimal fluid resistance.
  • Reduced Port Gas Valve: Ball passage diameter is smaller than pipe diameter, used for flow regulation or reducing valve size and cost.
  • V-port Gas Valve: A Ball with a V-shaped notch provides better control performance, ideal for precise flow control applications.
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4.  By Application Characteristics:

  • High-Pressure Gas Valve: Designed to withstand high pressure, suitable for high-pressure systems.
  • High-Temperature Ball Valve: Manufactured using high-temperature resistant materials, suitable for high-temperature media.
  • Corrosion-resistant Gas Valve: Made of corrosion-resistant materials such as stainless steel or special alloys, suitable for corrosive media.
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5. By Structure:

  • Fixed Gas Valve: The ball is fixed, and non-adjustable.
  • Floating Gas Valve: Ball floats, sealing is achieved through pressure.
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6. By Application:

  • Water Gas Valve: Used for controlling water flow, common in water supply and drainage systems.
  • Gas Valve: Used for controlling gas flow, common in gas systems and HVAC.
  • Chemical Gas Valve: Used for chemical fluids requiring corrosion and high heat resistance.
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7.  By Seat Type:

  • Soft Seat Gas Valve: Seat made of elastic material like rubber, ensures good sealing.
  • Metal Seat Gas Valve: Seat made of metal material, suitable for high temperature, high pressure, corrosive media, etc.
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Spec arrange of ball valve

Size and Connection Diameter:

Ball valve is typically sized in NPS of Nominal Pipe Size or DN of Nominal Diameter. Rang from as small as 1/4 inch, approximately 6.00mm to as large as 48 inches, approximately 1200mm or larger. This is to accommodate different piping systems.

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Pressure Rating:

The pressure rating of the gas valve indicates the maximum working pressure it can withstand. Consists of Class 150, 300, 600, 900, 1500, and 2500 according to ANSI/ASME B16.34 standards. Pressure rating determines the pressure capacity of the gas valve.

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Operating Temperature:

The range of temperatures a gas valve can withstand depends on the materials used in its construction. Materials include carbon steel, stainless steel, as well as alloy steel. Temperature ranges can vary from low-temperature environments (e.g., -196°C) to high-temperature applications (exceeding 500°C).


The main body material, ball material, and sealing material of the gas valve directly affect its resistance to corrosion, temperature, and pressure. Usual materials: stainless steel, carbon steel, plastics, copper alloys, special alloys like Hastelloy, Monel, etc.

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Sealing Type:

The sealing performance of the ball valve is critical, sealing materials include PTFE, reinforced PTFE, nylon, metal seals, etc. Different sealing materials are suitable for different operating conditions and media.

Operation Type:

Includes manual, such as handle or gear operation, electric, pneumatic, hydraulic, etc. The choice of operation type depends on application requirements, valve size, and installation environment.

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Flow Coefficient (Cv Value):

The Cv value represents the rate of flow through the valve under defined conditions. It is an important parameter for measuring the flow performance of the gas valve.

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Advantages of ball valve

High Reliability and Durability:

The ball valve features a simple design and compact structure, manufactured with high-quality materials. Enable them to operate reliably in demanding industrial environments for extended periods, reducing maintenance requirements.

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Outstanding Sealing Performance:

With the ball valves, sealing is excellent, lowering leak risks. Especially for hard-sealed gas valves, it is suitable for high-temperature and high-pressure environments, ensuring system safety.

Quick Switching Function:

The gas valve can achieve fast switching, typically requiring only a 90-degree rotation to complete full open or close operations. Aiding in emergency and improving system response speed.

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Low Fluid Resistance:

Full-port gas valve has minimal fluid resistance, almost equivalent to straight pipes. Suitable for applications requiring minimal fluid resistance.

Diverse Operation Modes:

The ball valve can be controlled through various operation modes, including manual, electric, pneumatic, etc. Meeting different levels of automation requirements.

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Wide Range of Applications:

The gas valve is suitable for controlling various media such as water, gas, steam, oil, acids, and alkalis. Operate conditions range from low temperature to high temperature and low pressure to high pressure.

Easy Maintenance:

With a simple structure, the gas valve is easy to disassemble and assemble, facilitating maintenance and replacement of internal components.

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Diverse Connection Methods:

Ball valve offers various installation methods such as threaded connection, flange connection, welded connection, etc. Make them compatible with various pipeline systems.


The gas valve can be customized according to different industrial requirements. Such as selecting special materials, specific pressure ratings, explosion-proof designs, etc.

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Although gas valves may have a higher initial investment in some cases. Their long-term reliable operation and low maintenance costs result in lower overall ownership costs, providing good cost-effectiveness.

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Valued customers of ball valve

Petroleum and Natural Gas Industry:

The ball valve controls the flow of oil and natural gas in upstream exploration, midstream transportation, and downstream processing processes.

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Chemical Industry:

In chemical production processes, the gas valve widely controls the flow of various corrosive and toxic chemicals. Owing to their excellent sealing and corrosion resistance.

Water Treatment and Supply Systems:

In water treatment plants and water supply systems, the gas valve is used to control water flow. Including wastewater treatment, seawater desalination, and irrigation systems.

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Food and Beverage Industry:

The ball valve controls the flow of steam and liquids on food and beverage production lines. Meet hygiene and cleanliness requirements.

Pharmaceutical Industry:

In strict sanitary and sterile environments, the gas valve precisely controls fluid flow. Maintain production process quality and safety.

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Manufacturing Industry:

In automotive, machinery, electronics, and other industries, the gas valve controls the flow of gas and liquid during the production process.

Energy Industry:

In power plants and renewable energy projects, such as geothermal, biomass, etc. The gas valve handles media flow, including water vapor and thermal oil.

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Offshore Platforms and Ships:

The ball valve is used in the fuel systems and water systems of offshore oil extraction platforms and ships. Due to their reliability and corrosion resistance.

Construction Industry:

In heating, cooling, and firefighting systems, the gas valve is used to regulate and control the flow of fluids in the system.

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Research and Laboratory:

In research and laboratory environments, the gas valve precisely controls the flow of gases and liquids during experimental processes.

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Benefits of the ball valve to customers

Enhanced System Efficiency:

The quick-switching feature of the gas valve significantly improves the operational efficiency of systems. Reducing operation time, especially in applications requiring frequent switching.

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Optimized Fluid Control:

The ball valve offers precise flow control, particularly the V-port gas valve equipped with regulating devices. Enabling fine flow adjustments to meet the needs of complex process flows.

Reduced Maintenance Costs:

Due to its simple structure and strong durability, the gas valve typically requires minimal maintenance. Help lower long-term maintenance costs and reduce system downtime.

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Ensured System Safety:

The excellent sealing performance of the gas valve reduces the risk of leaks, especially when handling hazardous media. Effectively protecting the work environment and personnel safety.

Energy Conservation and Emissions Reduction:

Efficient ball valve designs can reduce energy consumption and operating costs while also minimizing environmental pollution caused by leaks.

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Provided Diverse Connection Methods:

The various connection methods of the gas valve, such as threaded, flanged, welded, etc. Offer excellent flexibility, enabling easy integration into various piping systems.

Expanded Application Scope:

The ball valve can adapt to various working ranges. Across a range of pressures, temperatures, and corrosive or non-corrosive media. Make it widely applicable across different industries and scenarios.

ball valve_231700528_Gas Valve Aerospace Solenoid Valve

Reduced Installation Space:

The compact design of the gas valve reduces the required installation space and facilitates installation and maintenance within limited spaces.

Enhanced Operational Convenience:

The ball valve operates manually, electrically, pneumatically, etc. Provide high levels of operational convenience and automation, meeting various application needs.

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Improved Production Continuity:

The reliability and durability of the gas valve contribute to improving the continuity of production processes. Reducing unexpected downtime, and ensuring production efficiency.

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Customer feedback on the ball valve

Oil and Gas Industry

  • The gas valve is utilized in pipelines for fluid control and shut-off in the oil and gas industry. The gas valve often withstands high pressures and corrosive media.

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  • Project Engineer's Response: The high pressure and corrosion resistance of Johoty's gas valve ensure the safe operation of pipelines. Significantly reducing maintenance needs and downtime, a special commendation for the quick-switching feature of your gas valves. Which allows for rapid fluid shut-off during emergencies, enhancing system safety.

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Water Treatment Facilities

  • The ball valve directs water flow and regulates treatment. The gas valve must be capable of precisely controlling flow to ensure the efficiency and effectiveness of water treatment processes.
  • Project Manager's Report: The precise flow control of Johoty's gas valve has significantly improved the efficiency and quality of water treatment. Your gas valves' reliability and low maintenance have also been highly praised. They reduce facility operating costs and enhance operational continuity.

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Chemical Manufacturing

  • In manufacturing processes, the ball valve directs highly corrosive, hazardous chemicals. These applications require a ball valve with exceptional seals and chemical resilience.
  • Operations Manager's Comment: The outstanding performance of Johoty's gas valve in controlling the flow of corrosive chemicals. Particularly its sealing and chemical corrosion resistance is noteworthy. Your gas valve's ease of operation and maintenance contribute to maintaining production efficiency and ensuring workplace safety.

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Applications of ball valve

Oil and Gas Extraction:

Utilized to control the flow of crude oil and natural gas, especially under high-pressure conditions. The durability and reliability of the gas valve secure efficiency and safety in production.

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Chemical Industry:

The ball valve is essential for regulating corrosive chemical flow. With material selections capable of resisting erosion from strong acids, alkalis, and other corrosive chemicals.

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Water Treatment and Supply Systems:

In water treatment plants and sewage treatment facilities, the gas valve regulates and controls water flow. Ensuring the water treatment process runs efficiently and safely.

Food and Beverage Manufacturing:

Adhering strictly to hygiene standards, the gas valve controls the flow of liquids and steam. Ensuring the hygiene and efficiency of food and beverage production lines.

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Pharmaceutical Industry:

The ball valve precisely controls the flow of high-purity fluids. Meeting the stringent hygiene and cleanliness standards in pharmaceutical processes.

Maritime and Ocean Engineering:

Widely employed in the fuel systems and water systems of ships. As well as in various control systems on offshore oil and gas platforms. the gas valve is favored for its corrosion resistance and high-pressure performance.

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Energy Industry:

In both traditional and renewable energy sectors, such as cogeneration, biomass utilization, and solar thermal systems. The ball valve handles various media flow controls.

Automotive Industry:

The gas valve plays a role in hydraulic systems and fuel control systems in automobiles. Providing precise control and reliable performance.

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AC and Refrigeration Systems:

The ball valve controls refrigerant flow for efficient air conditioning and refrigeration.

Thermal Power Plants:

In coal, natural gas, or heavy oil-fired power plants, a gas valve is used to control the flow of fuel, air, and cooling water. Optimizing power generation efficiency and safety.

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It includes excellent sealing performance, rapid switching capability, and low fluid resistance. As well as longer life and little maintenance.
When selecting gas valve materials, considerations should include the type of medium (corrosive, toxic), operating temperature, and pressure. Common materials include stainless steel, carbon steel, copper alloys, and plastics.
The full-port gas valve has a ball passage diameter equivalent to the pipe's inner diameter, resulting in low fluid resistance. The reduced-port gas valve has a smaller passage diameter than the pipe's inner diameter. Reducing valve size and cost but increasing fluid resistance.
The gas valve is suitable for various fluids, including water, gas, steam, oil, acids, and alkalis. Special materials of the gas valve can also be used for corrosive or high-temperature media.
While the ball valve is primarily for on-off control, the V-port ball valve can precisely control flow.


The manual gas valve is operated manually through a handle and is suitable for infrequent operation or emergency shutdown situations. The automatic gas valve (electric or pneumatic) is suitable for applications requiring remote control or automation.
Common failures include leakage, difficult operation, and seal damage. Troubleshooting methods typically involve replacing seals and cleaning or replacing the ball and seat.
Regularly inspect ball valve seals and smooth operation. Keep the ball valve and stem clean and regularly replace worn seals.
Yes, it can. Selecting appropriate ball valve materials and designs, such as metal-seated ball valves. This can ensure the safe and reliable operation of the ball valve under high-temperature and high-pressure conditions.
The ball valve does not have specific orientation requirements for installation. However, certain ball valves, such as those with discharge or leak detection functions, may have specified installation directions. It is advisable to refer to our instructions before installation.
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