Design

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A Floating magnetic ball valve is an innovative type of valve that incorporates advanced sealing technology using magnetic fluids (ferrofluids) to achieve superior sealing performance. This type of ball valve is particularly useful in applications where leakage prevention is critical, such as in high-precision fluid control systems in the semiconductor, pharmaceutical, and aerospace industries.

Key Features of Floating Magnetic Fluid Sealed Ball Valves
Floating Ball Design: Unlike fixed ball valves, the ball in a floating ball valve is not rigidly fixed but is held in place by the compression of the two elastomeric seats against the ball. The ball floats slightly with the pressure of the fluid, which helps to maintain a tight seal against the downstream seat.

Magnetic Fluid Seal: Magnetic fluid, or ferrofluid, is a liquid that becomes strongly magnetized in the presence of a magnetic field. In these valves, a magnetic field is applied around the area where the stem exits the valve body, creating a dynamic seal that prevents leakage. The fluid forms a flexible, low-friction seal that can adjust dynamically to changes in pressure and temperature.

High Sealing Efficiency: The magnetic fluid seal provides an almost perfect seal, significantly reducing the risk of leakage. This is particularly important in applications involving toxic, flammable, or expensive fluids.

Minimal Wear and Tear: Since the magnetic fluid forms a seal without physical contact, the wear and tear on the valve components are greatly reduced, extending the lifespan of the valve.

Advantages of Floating Magnetic Fluid Sealed Ball Valves
Exceptional Leak Prevention: The use of ferrofluids ensures that the seal is both flexible and robust, providing superior leakage protection.

Reduced Maintenance: The non-contact nature of the magnetic fluid seal results in less wear and tear, reducing the frequency of maintenance and replacement.

High Precision Fluid Control: The precise control over the valve operation allows for very accurate flow regulation, which is ideal for applications in industries where this is critical.

Versatility: These valves can be used in a variety of applications, handling everything from gases to liquids, and can operate under a wide range of temperatures and pressures.

Applications of Floating Magnetic Fluid Sealed Ball Valves
Semiconductor Manufacturing: Used in the production of semiconductors where extremely precise control of gases and chemicals is required.

Pharmaceuticals: In manufacturing processes where contamination and leakage can compromise the quality of pharmaceutical products.

Aerospace: For fuel systems and other applications where leakage can be catastrophic.

Research and Development: In laboratory settings where precise control of experimental conditions is necessary.

Manufacturing and Maintenance of Floating Magnetic Fluid Sealed Ball Valves
Manufacturing Techniques: The manufacturing of these valves requires precision engineering. The components must be machined to high tolerances to ensure the effectiveness of the magnetic fluid seal.

Maintenance Practices: While the wear and tear are reduced, regular checks are necessary to ensure the integrity of the magnetic fluid seal. The magnetic fluid may need to be replenished or replaced periodically.

Since 2000, Zigong Zhaoqiang Sealing Products Co., Ltd. has been committed to the research and development of innovative magnetic fluid and titanium-based cermet materials.