Solenoid valve: operation and advantages in your irrigation system

The solenoid valve It is a fundamental component in multiple technical applications, especially in automated irrigation systems. Its ability to control water flow using electrical signals makes it an essential tool for optimizing resources, improving irrigation efficiency, and reducing operating costs.

Understand in depth how a solenoid valve, its internal components, and its role within a modern irrigation system is key for those who want to maintain healthy crops, green gardens, and responsible water management.

What is a solenoid valve and how does it work?

A solenoid valve It is an electromechanical device that opens or closes the flow of a fluid—usually water—using an electrical signal. These valves are designed to be activated remotely, facilitating automated flow control without the need for constant manual intervention.

The electric current activates an electromagnet, which moves a plunger or piston inside the valve body. This allows flow to flow or be interrupted, depending on the needs of the system to which it's connected. Its simple yet effective design makes it a versatile solution for both domestic and industrial installations.

Main components of a solenoid valve

The solenoid valves They are composed of various elements that work together to achieve precise, automated control of water flow. Understanding each of their parts not only allows you to understand how they work, but also facilitates their maintenance and repair in the event of technical failures.

Each component performs a specific function that ensures the valve's operation under various pressure, temperature, and intensive use conditions. The most important elements and how they contribute to its operational efficiency are explained below.

Main body

The solenoid valve body is the component that houses the entire internal mechanical and electrical system. It is generally made of durable materials such as polyamide, reinforced PVC, or even bronze and brass for more demanding applications. Its structure must withstand constant water pressure without deforming and ensure a tight connection to the inlet and outlet pipes.

In most models, the body also includes threaded or compression fittings that allow for easy installation. These fittings should be checked periodically to ensure they do not leak or fail due to wear. Their shape and size may vary depending on the flow rate to be controlled and the type of installation in which they are used.

Electric coil

The coil is the element that converts electrical energy into mechanical energy. It consists of a coiled copper wire that generates a magnetic field when current is applied. This field causes the internal plunger to move, allowing the water supply to be opened or closed. Without the coil, the valve would not be able to operate automatically.

It's essential to protect the coil from moisture and excessive heat, as these factors can reduce its lifespan. In many cases, it's encapsulated in a water-resistant plastic casing, allowing it to be installed even in areas exposed to the elements. The coils are also designed to operate at different voltages, with 24V being the most common in irrigation systems.

Piston or moving core

The plunger is the moving part that responds to the magnetic field generated by the coil. When activated, this core moves within the valve, opening or closing the flow of fluid. Its design must be precise, as any friction or poor sealing can prevent the valve from functioning properly.

It is made of stainless steel or anti-corrosion materials to prevent damage from contact with water. The plunger moves within a tight-fitting guide, which requires occasional maintenance to prevent limescale buildup or other impurities that could block its movement. Proper operation ensures the system's efficiency.

Gaskets and diaphragms

These elements are intended to prevent water from leaking out of the system. The gaskets ensure tightness at the joints, while the diaphragm internally regulates the opening and closing of the conduit. Both components are made of rubber, silicone, or high-strength elastomers.

Over time and with continued use, these parts can wear out, so it's advisable to check them periodically. If a leak or loss of pressure is detected, the problem can often be solved simply by replacing a worn gasket or an aging diaphragm. Its cost is low, but its impact on operation is significant.

Recommended solenoid valve models for professional systems

To achieve an efficient and long-lasting automated irrigation system, it's essential to choose components of proven quality. There are different types of valves, but only a few stand out for their robust construction, hydraulic precision, and compatibility with high flow rates or agricultural installations.

Below we present two highly recommended models, ideal for those seeking reliable solutions and advanced water control techniques. Each of these products is available in The Garden Shop with all its accessories and specialized technical support.

Bermad 2" solenoid valve with flow regulator

One of the most versatile and technical models is the solenoid valve irrigation 2" Bermad with flow regulator. This valve is made of high-strength materials that allow for continuous use in demanding environments. Its hydraulic design ensures smooth opening, even under high pressures, and its reinforced diaphragm prevents blockages or leaks.

It features a built-in flow regulator, allowing you to manually adjust the amount of water passing through the system without installing additional accessories. It operates at 24V and is compatible with standard automatic irrigation controllers. It is ideal for both agricultural use and professional gardening installations that require high precision and operational robustness.

Bermad 3" agricultural solenoid valve for large installations

The irrigation solenoid valve 3” Agricultural Bermad It is designed for large-scale applications handling high volumes of water. Its robust, large-diameter body allows for efficient control of high flows without sacrificing hydraulic performance. It is especially useful in agricultural farms, fertigation systems, and sectors where pressure can vary.

Thanks to its dual-chamber design and reinforced diaphragm, this valve guarantees a tight seal and a long service life, even with intensive use. It operates at 24V, making it safe and compatible with the most common controllers on the market. It's also easy to maintain, reducing downtime and improving the efficiency of the overall irrigation system.

Solenoid valve irrigation: automation and water efficiency

In agricultural, urban and residential systems, the use of solenoid valve irrigation has transformed the way we manage water. It's no longer necessary to manually open taps or valves to irrigate crops or gardens. Solenoid valves allow these processes to be automated based on schedules, soil moisture, or weather conditions.

This type of automation facilitates the precise application of water to specific areas, reducing waste and improving resource utilization. Thanks to electronic controllers, sensors, and timers, the solenoid valves can operate completely independently.

Advantages of using an irrigation solenoid valve

Have a irrigation solenoid valve In an automated system, this represents a leap in efficiency and water control. These valves allow for precise management of the timing, duration, and quantity of water distributed to each irrigation zone, optimizing resources and improving plant health.

By automating the process, not only is the user's physical effort reduced, but human error is also minimized. This means less water waste, less risk of overwatering or crop dehydration, and greater uniformity in coverage of the irrigated area.

Reduction of water consumption

A notable advantage is the valves' ability to reduce water consumption. By allowing precise programming, the system releases only the amount of water needed for each plant or area, preventing overuse and saving costs.

Furthermore, this fine control favors sustainable irrigation practices, especially in areas with water scarcity or usage restrictions. The accumulated savings over time justify the investment in the technology from both an economic and environmental standpoint.

Greater control over irrigation cycles

With a irrigation solenoid valve, The user can define precise opening and closing cycles. This is ideal for sensitive crops that require short, frequent waterings, or for ornamental gardens that only need water at certain times of the day.

Thanks to digital controllers, these cycles can be adjusted based on external variables such as rainfall, temperature, or soil moisture. Thus, the system operates autonomously and responds to real-world conditions, without relying on constant monitoring.

Less need for human intervention

The use of irrigation solenoid valves It completely automates the process, eliminating the need to manually open or close each zone. This represents a significant time saving, especially in large areas or facilities with multiple sectors.

The absence of direct intervention also reduces the margin for human error. There's no longer a risk of forgetting to turn on a faucet or applying water at inappropriate times. The entire system operates in a predetermined and reliable manner, even if the user is absent.

Preventing Irrigation Errors

One of the great benefits is the reduction of common errors such as prolonged watering or forgetting to activate a zone. irrigation solenoid valves They follow a fixed schedule, avoiding these failures that could damage plants or increase costs.

This precision also promotes uniform irrigation in each area, which is essential for crops that require uniform conditions. A well-calibrated system reduces water stress on plants, resulting in increased productivity and improved garden aesthetics.

Comparison between types of irrigation solenoid valves

To make the right choice between the different models available, it's important to understand their specific characteristics. The following table compares the main types used in irrigation systems:

How to install a system with solenoid valves

The process of installing a irrigation solenoid valve It may vary slightly depending on the type of system, but it follows a technical sequence that makes it easy to start up:

• Connect the main water line to the valve inlet.

• Secure the exit to the irrigation lines.

• Connect the coil wires to the controller.

• Schedule opening hours and times from the programmer.

• Check for possible leaks or pressure failures.

Basic maintenance of irrigation solenoid valves

Although the solenoid valves They are designed to last, and require periodic inspections to ensure optimal performance. Cleaning filters, checking electrical connections, and ensuring the system is leak-proof are essential tasks.

Preventing solid waste buildup, ensuring proper electrical power, and replacing worn seals are practices that extend the system's lifespan.

Innovations in solenoid valves for smart irrigation

Technological evolution has also reached the world of irrigation. Currently, there are solenoid valves for irrigation that integrate humidity sensors, Wi-Fi communication, and app-based control systems, allowing irrigation management from a smartphone.

These smart valves automatically adjust based on weather or soil conditions, ensuring minimal water consumption without harming plants or crops.

Water automation: a real need

Invest in a system that includes solenoid valve Not only does it make everyday life easier, but it also enables the creation of more sustainable and productive environments. Whether in the home, in agriculture, or in professional gardening, solenoid valves optimize resources, reduce manual labor, and raise water efficiency standards.

With multiple models available and a fairly simple installation curve, integrating these valves is a wise long-term decision.

Equip your system with professional-quality solenoid valves