Solenoid valves play a crucial role in industrial control systems. They achieve precise control of the system by controlling the flow of liquids or gases. In the design of solenoid valves, direct-acting and pilot-operated are two common structural types. Each of them has some advantages and disadvantages. This article will conduct a comparative analysis of these two types of solenoid valves so that engineers can choose the appropriate type in practical applications.
The direct-acting solenoid valve is a relatively simple structure. Its working principle is that the electromagnet acts directly on the valve core to achieve control of the valve. This structure has the advantages of simple structure and fast response speed, and is suitable for occasions with high response speed requirements. In addition, since it acts directly on the valve core, the direct-acting solenoid valve can reduce pressure loss to a certain extent, thereby saving energy. However, the direct-acting solenoid valve also has some disadvantages. For example, in occasions with large flow and large diameter, a larger electromagnet is required to achieve control of the valve, thereby increasing cost and power consumption.
Compared with direct-acting solenoid valves, pilot-operated solenoid valves have better performance in some specific occasions. The pilot-operated solenoid valve controls the opening and closing of the main valve through an auxiliary valve, so that precise control of large-diameter and large-flow valves can be achieved. This structure can reduce the size of the electromagnet, reduce cost and power consumption. At the same time, the pilot-operated solenoid valve can also achieve rapid closing and slow opening of the valve, thereby reducing hydraulic shock and noise. However, pilot-operated solenoid valves also have some disadvantages. For example, the response speed is relatively slow and it is not suitable for occasions with high response speed requirements.
In conclusion, direct-acting solenoid valves and pilot-operated solenoid valves each have some advantages and disadvantages. In practical applications, it is necessary to choose according to specific working conditions. If high response speed is required and the flow rate and diameter are small, a direct-acting solenoid valve can be selected; if precise control of large-flow and large-diameter valves is required and a slightly slower response speed can be accepted, a pilot-operated solenoid valve can be selected. Of course, when making a specific choice, factors such as cost, power consumption, and maintenance also need to be considered in order to select the most suitable solenoid valve type.
In the field of oxygen concentrator accessories, Holian has been deeply involved for more than ten years. Over the past decade or so of arduous efforts, it has not only established a professional and excellent independent design team but also built its own exclusive factory. Inside the factory, there are high-quality production equipment carefully selected from various manufacturers. Through the accumulation over the years, it has amassed profound technical expertise, and its exquisite and proficient manufacturing techniques are truly unique. Thanks to this, Holian has acquired a strong capability to produce high-quality and high-performance oxygen concentrator accessories, and such top-notch accessories are precisely the core guarantee for the stable and efficient operation of oxygen concentrators. With Holian’s dedicated assistance, the reliability of products has been firmly established, and the quality benchmark of the entire industry has also been significantly raised.
With a comprehensive and in-depth insight into the accessory market, Holian has also been deeply integrated into the research and development process of oxygen concentrators of its partner companies. It closely cooperates with complete machine manufacturers. On the one hand, it optimizes product design based on its rich experience to firmly build the foundation for product quality from the source. On the other hand, by leveraging its professional advantages, it reasonably controls costs and greatly improves production efficiency. Meanwhile, relying on the significant advantages brought by its large-scale operation and its powerful and efficient supply chain system, Holian can ensure a continuous supply of accessories like a never-ending source of flowing water, minimizing the potential risks of production interruptions caused by shortages of raw materials. Holian has always been injecting a continuous stream of development momentum into its partners with its outstanding quality, eye-catching price advantages, and rock-solid supply system.
It is worth mentioning that Holian holds numerous patents for key parts of oxygen concentrators, covering core components such as solenoid valves and pressure regulating valves. It has a rich variety of product types, including direct-acting solenoid valves with quick responses and pilot-operated solenoid valves that attract much attention. Among them, the pilot-operated solenoid valve can be regarded as Holian’s star product. With its excellent performance and reliable quality, it has won the favor of numerous partners, with a steady stream of orders and has gained full trust, laying a solid foundation for Holian to continue to lead the way in the oxygen concentrator accessory market.
