Two-Piece Ball Valves
Two-piece ball valves consist of two main parts that are bolted together, forming a tight seal around a rotating ball with a bore. When the valve is open, the ball allows fluid to flow through, and when closed, it creates a secure barrier, making these valves efficient for controlling and isolating fluid flow in various applications.
Additional information
| Material Construction | P.P./UPVC, Cast Iron, Cast Steel, |
|---|---|
| Mfg Std / Testing Std | BS 5159, ISO 17292 & BSEN 12266I |
| Class | Up to PN-20 |
| Size (mm) | 12-300 |
| Operation | Manually/Electrically Operated |
A two-piece ball valve is a versatile and widely used industrial valve that plays a crucial role in controlling the flow of liquids and gases within a pipeline. This type of valve is composed of two main components: the body and the cap. The distinguishing feature of the two-piece ball valve is its design, which allows for easy maintenance and repair.
The body of the valve houses the ball, a spherical disc with a central bore that regulates the flow of the fluid. The ball is typically made of durable materials such as stainless steel, brass, or other alloys, ensuring resilience against corrosion and wear. The interior surface of the ball valve is precision machined to achieve a smooth and consistent flow path, minimizing turbulence and pressure drop.
One of the key advantages of a two-piece ball valve is its ease of maintenance. The valve can be disassembled into two main pieces, hence the name, allowing for convenient access to the internal components. This feature simplifies inspection, cleaning, and repairs, making it a preferred choice in applications where regular maintenance is essential for optimal performance.
The valve is actuated by a lever or handle attached to the cap, which is connected to the ball. When the handle is turned, the ball rotates within the body, either allowing or blocking the flow of the fluid. The 90-degree rotation of the handle provides a quick and reliable means of controlling the flow, making two-piece ball valves suitable for applications where fast response times are critical.
Two-piece ball valves are widely used in various industries, including oil and gas, petrochemical, water treatment, and manufacturing. Their robust construction and reliable performance make them suitable for high-pressure and high-temperature applications. Additionally, the two-piece design allows for flexibility in material selection, enabling compatibility with a wide range of fluids and operating conditions.
These valves are known for their leak-tight sealing capabilities. The interface between the ball and the valve seats is designed to create a secure seal, preventing leakage and ensuring the integrity of the fluid control system. This feature is crucial in applications where safety and environmental concerns are paramount.
