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Ball valve is a quarter-turn valve that uses a hollow, rotating ball to control fluid flow. When the ball's hole aligns with the flow, the valve opens; when rotated 90 degrees, it closes, providing quick and reliable shutoff. This design ensures minimal pressure drop and tight sealing.

Ball valves are durable, versatile, and suitable for high-pressure and high-temperature applications. They are widely used in oil and gas, water supply, and chemical industries. Available in various materials like stainless steel, brass, and PVC, ball valves offer excellent leak-proof performance and are ideal for both on/off and throttling applications.

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How Ball Valves Work

Ball valves control fluid flow using a rotating ball with a hole through its center. When the hole aligns with the flow, the valve opens; when rotated 90 degrees, it closes. This simple mechanism ensures quick operation, minimal pressure drop, and reliable shutoff, making ball valves highly efficient for flow control.

Materials Used in Ball Valves

Ball valves are made from materials like stainless steel, brass, PVC, and carbon steel. Stainless steel offers corrosion resistance, brass is suitable for low-pressure applications, and PVC is ideal for chemical resistance. Material selection depends on the fluid type, pressure, and temperature requirements.

Advantages of Ball Valves

Ball valves offer quick operation, tight sealing, and minimal pressure drop. They are durable, require little maintenance, and can handle a wide range of fluids and temperatures. Their compact design and versatility make them a cost-effective solution for many industrial and residential applications.

Applications of Ball Valves

Ball valves are used in oil and gas, water treatment, chemical processing, and HVAC systems. Their ability to handle high pressures, temperatures, and corrosive fluids makes them ideal for both on/off and throttling applications. They are also popular in residential plumbing for their durability and ease of use.

Maintenance of Ball Valves

Regular maintenance ensures ball valves function efficiently. Inspect for leaks, wear, or corrosion, and lubricate the stem and ball as needed. Replace seals and seats if damaged. Proper installation and periodic checks extend the valve's lifespan and prevent operational failures.

Sizing and Selection of Ball Valves

Proper sizing is crucial for optimal performance. Consider factors like flow rate, pressure, fluid type, and pipe diameter. Incorrect sizing can lead to inefficiency or failure. Consulting technical specifications and industry standards ensures the right valve is selected for the application.

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