Structure And Features Of 2-piece Flange Ball Valve

I. What is a Two-Piece Flanged Ball Valve?

A flanged ball valve is a ball valve structure composed of two main components, typically used for fluid control in piping systems. This valve design offers a simple structure, reliable sealing performance, and broad applicability.

II. Structure of a Two-Piece Flanged Ball Valve

A 2 flanged ball valve consists of two parts: the valve body and the valve bonnet, connected via flanges. Its basic structure includes:

1. Valve Body: Typically manufactured from cast steel, stainless steel, or alloy steel, the valve body offers high corrosion resistance and heat tolerance. It houses a ball with a central bore; rotating the ball opens or closes the fluid flow.

2. Valve Bonnet: The bonnet primarily secures the valve stem and houses the actuator mechanism. The stem connects the bonnet to the ball. Its design ensures precise alignment between the stem and ball while sealing the fluid path to prevent leakage.

3. Ball: The ball is the core component of a flange valve, featuring a central bore. When rotated, the position of this bore determines whether fluid flow is permitted. A 90° rotation rapidly switches the valve's open/closed state.

4. Valve Stem: The valve stem connects the ball to the manual operating mechanism or electric/pneumatic actuator, serving as the driving element for ball rotation.

5. Seals: Seals ensure the valve remains leak-free when closed. They are typically made from high-temperature and corrosion-resistant materials.

6. Actuator: The actuator provides the force to rotate the valve stem and move the ball. It can be manual, pneumatic, or electric, depending on application requirements.

III. Features of Two-Piece Flanged Ball Valves

1. Simple Structure: Comprising two main components, the 4 flanged ball valve features straightforward construction, facilitating both manufacturing and maintenance. The valve body and bonnet connect via flanges, allowing flexible installation.

2. Excellent Sealing: Ball valves generally offer superior sealing performance, effectively preventing fluid leakage. The sealing surfaces withstand significant pressure and temperature variations, maintaining reliable operation in high-pressure, high-temperature conditions.

3. High Flow Capacity: Due to the design of the ball's internal bore, two-piece flanged ball valves offer relatively high flow capacity, enabling rapid fluid shut-off and release.

4. Exceptional Durability: Typically constructed from high-quality metallic materials, flanged ball valves exhibit strong corrosion and wear resistance, making them suitable for diverse demanding operating environments.

5. Easy Operation: Opening and closing the valve typically requires only a 90° rotation, ensuring simple and rapid operation. Additionally, pneumatic or electric actuators can be installed for remote operation and automated control.

6. High Adaptability: The 2 inch flanged ball valve is suitable for various fluids, including liquids, gases, and steam. Its applications span multiple industries such as chemical, power generation, petroleum, and natural gas.

7. Convenient Maintenance: The structural design of the two-piece flanged ball valve facilitates straightforward maintenance. Users can easily disassemble the valve body and bonnet for internal inspection and cleaning.

IV. Application Fields

4 inch flanged ball valve are widely used in the following sectors:

• Oil and Gas Industry: Employed in extraction and transmission pipelines for petroleum and natural gas to regulate flow and pressure.

• Chemical Industry: Used for conveying and controlling chemical substances, acids, and alkalis.

• Pharmaceutical Industry: Ensures stable fluid flow during drug manufacturing processes.

• Power Industry: Employed in fluid control for cooling systems, steam pipelines, and similar applications.

• Food and Beverage Industry: Controls liquid flow while maintaining production hygiene standards.

V. Summary

The two-piece flanged ball valve has become a vital fluid control device in industrial piping systems due to its simple structure, excellent sealing performance, high flow capacity, and durability. Whether in high-temperature, high-pressure environments or scenarios requiring high-precision sealing, the 2 1 2 flanged ball valve delivers reliable solutions.