Explore a complete guide to control valve types, working principles, parts, and selection criteria. Learn how control valves regulate flow, pressure, temperature, and fluid levels in various industrial applications. This detailed guide explains different valve designs such as globe, ball, and butterfly valves, along with their components and functions. Understand key factors to consider when selecting the right control valve for your system, including performance, efficiency, and durability. Ideal for engineers, technicians, and industry professionals looking to improve system control, optimi