Understanding the Differences Between Direct-Acting and Pilot-Operated Solenoid Valves

When it comes to selecting a solenoid valve for your application, understanding the differences between direct-acting and pilot-operated valves can be crucial in ensuring proper function and performance. In this article, we will explore the key characteristics of each type of valve and highlight their suitability for specific applications.

Direct-Acting Solenoid Valves

Direct-acting solenoid valves are designed to operate directly on the flow of fluid, without relying on an auxiliary air source or pilot pressure. These valves are typically used in small-caliber and low-pressure environments, such as in medical equipment, laboratory settings, or in food processing applications.

One of the primary benefits of direct-acting solenoid valves is their simplicity and reliability. They consist of a single moving part, which makes them less prone to failure and easier to maintain. Additionally, direct-acting valves are often more compact and lightweight than pilot-operated valves, making them ideal for use in confined spaces.

Pilot-Operated Solenoid Valves

Pilot-operated solenoid valves, on the other hand, rely on an auxiliary air source or pilot pressure to operate. These valves are designed for larger-caliber and high-pressure applications, such as in industrial processes, HVAC systems, or in hydraulic circuits.

The key advantage of pilot-operated solenoid valves is their ability to handle higher flow rates and pressures than direct-acting valves. This makes them suitable for applications where a large volume of fluid needs to be controlled quickly and efficiently.

ATO-2W Series Solenoid Valves

The ATO-2W series solenoid valves, manufactured by 'manufacturer', offer both direct-acting and pilot-operated valve options. These valves feature clear water flow direction marks for easy installation, as well as a diaphragm structure that ensures reliable operation for air and water applications.

The solid and thick construction of the ATO-2W series valves provides smooth surface finish and high-quality copper coils that offer corrosion resistance and good stability. These valves are widely used in various industries, including mechanical, textile, medical, food processing, and more.

Choosing the Right Valve

When selecting a solenoid valve for your application, it is essential to consider factors such as flow rate, pressure rating, and fluid type. Direct-acting solenoid valves are ideal for small-caliber and low-pressure applications, while pilot-operated valves are better suited for larger-caliber and high-pressure situations.

In addition to considering the operating characteristics of the valve, it is also important to consider the electrical requirements. The ATO-2W series valves offer a range of options, including DC 12 Volt, DC 24 Volt, AC 110 Volt, and AC 220 Volt, making them compatible with various power sources.

In conclusion, direct-acting and pilot-operated solenoid valves are designed to serve different purposes. By understanding the key characteristics and advantages of each type of valve, you can make an informed decision when selecting a valve for your application. Remember to consider factors such as flow rate, pressure rating, fluid type, and electrical requirements to ensure the proper function and performance of your solenoid valve.

12 volt electric solenoid valve