Comparison of Chinese gate valves and Chinese globe valves: Understanding the differences and application scenarios
In fluid control systems, Chinese gate valves and Chinese globe valves are two common valve types, each with its own unique characteristics and application scenarios. This paper will deeply discuss the differences between Chinese gate valves and Chinese globe valves and their respective application scenarios from a professional perspective.
1. Structural differences
China gate valve is a valve installed perpendicular to the pipeline axis, its main function is to control the flow of fluid. The working principle of Chinese gate valve is to realize the opening and closing of the valve through the sealing surface between the gate plate and the seat.
The Chinese globe valve is a horizontal or inclined valve installed on the pipeline, and its main function is to cut off the fluid. The working principle of the Chinese globe valve is to drive the stem by rotating the hand wheel or an electric device, so that the valve disc moves along the pipeline axis, so as to realize the opening and closing of the valve.
2. Use difference
China gate valves are mainly used for cutting off liquids and gases, and are widely used in the production process of petroleum, chemical, electric power and other industries. In addition, Chinese gate valves are commonly used in systems that require frequent switching, such as steam systems and hot water systems.
China globe valve is mainly used for liquid and gas regulation and cut off, widely used in water treatment, food and beverage industry, pharmaceutical industry and other fields. In addition, Chinese globe valves are also commonly used in systems that require precise control of flow, such as heating systems and air conditioning systems.
3. Maintain differences
The structure of Chinese gate valves is relatively simple, and the maintenance cost is relatively low. However, due to its large flow resistance, it may lead to the wear of the sealing surface, so it needs regular inspection and maintenance.
The structure of China’s globe valve is relatively complex, and the maintenance cost is relatively high. However, due to its small flow resistance and good sealing performance, its service life is usually longer.
4. Operation differences
The operation of the Chinese gate valve is relatively simple, and the opening and closing of the valve can be realized by turning the hand wheel or the electric device. However, due to its large flow resistance, it may require a larger force to operate.
The operation of the Chinese globe valve is more complex, and the stem needs to be driven by rotating the hand wheel or an electric device, so that the valve disc moves along the axis of the pipeline. However, due to its small flow resistance and good sealing performance, its operating force is small.
In general, Chinese gate valves and Chinese globe valves have advantages and disadvantages and are suitable for different application scenarios. When choosing which valve to use, it needs to be considered according to the specific working conditions and needs.
Post time: Oct-10-2023
