What are the classifications of water pressure reducing valves?

Water pressure reducing valves are essential components in various hydraulic systems, known for their unique design and functionality. With a wide range of types available, they have gained popularity among engineers and technicians alike. Today, Kaiyide Valve Manufacturing Co., Ltd. shares comprehensive insights into water pressure reducing valves, focusing on their classification and operational principles. Pressure reducing valves come in multiple forms, but they can generally be categorized into two main types: direct-acting (self-powered) and indirect-acting (force-assisted). Direct-acting valves utilize the energy from the fluid itself to regulate pressure, making them simple and cost-effective. In contrast, indirect-acting valves rely on external power sources such as air, hydraulic, or electrical signals for more precise control. While direct-acting valves are widely used due to their simplicity, indirect-acting valves offer higher accuracy and stability, especially in complex applications. Based on their structural design, pressure reducing valves can also be classified into several categories: - **Piston-type pressure reducing valve**: This type uses a piston mechanism to balance pressure and control the movement of the valve disc. - **Diaphragm-type pressure reducing valve**: It employs a flexible diaphragm as a sensitive element to respond to pressure changes and adjust the valve position accordingly. - **Air bag-type pressure reducing valve**: This design uses an internal air chamber to regulate pressure by balancing the medium’s pressure against the air bag. In addition to structural classification, pressure reducing valves can also be divided based on their seat configuration: single-seat and double-seat types. Double-seat valves provide better force balance between the upper and lower seats, reducing the load on the stem and allowing for a larger flow area. However, this design comes with challenges in manufacturing and assembly, requiring strict precision to ensure reliable performance. Understanding the differences between these types helps in selecting the most suitable valve for specific applications, ensuring efficiency, safety, and long-term operation. For more information on valve products and industry updates, visit: http://news.chinawj.com.cn Editor: Hardware Business Network Information Center

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