How to choose an irrigation valve?
  • Alex-COVNA
  • Mar 21, 2023

How to choose an irrigation valve?

Irrigation systems play a critical role in agriculture, and the selection of an appropriate irrigation valve is paramount for the success and efficiency of these systems. With an array of irrigation valve options available, selecting the most suitable valve can be a challenging task. This essay aims to provide a comprehensive guide on the factors to consider when choosing an irrigation valve.



One of the essential aspects to consider when selecting an irrigation valve is the type of irrigation system in use. Two common irrigation systems are drip irrigation and sprinkler irrigation. Drip irrigation involves delivering water slowly and directly to plant roots, whereas sprinkler irrigation distributes water over a larger area. The type of irrigation system utilized determines the appropriate irrigation valve type required。

The size of the irrigation system also significantly impacts the valve selection process. The flow rate of water within the system, usually measured in gallons per minute (GPM), determines the appropriate valve to handle the flow rate. The selected irrigation valve should be capable of handling the flow rate of the irrigation system。

The material used in the construction of an irrigation valve is also a crucial factor. Valves are commonly made from plastic or brass, and each material has its advantages and disadvantages. While plastic valves are more affordable, brass valves are more durable and long-lasting. If the irrigation system is large, a brass valve would be a more reliable and durable option, requiring less maintenance.

Solenoid valves are utilized to regulate water flow through the valve. There are two types of solenoid valves, namely AC and DC. AC solenoid valves are commonly used in residential and small commercial applications, while DC solenoid valves are more durable and ideal for large commercial and agricultural applications.

The pressure rating of the valve is a crucial consideration during valve selection. The pressure rating is the maximum pressure the valve can handle without failure. The irrigation valve chosen should have a pressure rating higher than the maximum pressure in the irrigation system to ensure that the valve remains functional even under high-pressure conditions.

The valve actuator type is also an important consideration. Valve actuators are responsible for opening and closing valves. Two main types of valve actuators exist, manual and automatic. Manual valve actuators require physical turning to open or close the valve, while automatic valve actuators utilize an electrical signal to regulate valve opening and closing. Automatic valve actuators are more expensive but offer convenience and enhanced functionality.

Valve control is another crucial consideration during valve selection. Two types of valve control exist, hydraulic and electric. Hydraulic valve control uses water pressure to regulate valve opening and closing, while electric valve control uses an electrical signal. Electric valve control is common in small commercial and residential applications, while hydraulic valve control is more common in large commercial and agricultural settings.

Finally, the cost of the valve is a crucial consideration. The price of the valve is influenced by various factors, including valve type, size, and material. The selected valve should be within budget and meet the irrigation system's specific needs.

In conclusion, the selection of the appropriate irrigation valve is crucial for the success and efficiency of irrigation systems. Selecting the right irrigation valve entails considering factors such as the type of irrigation system, the size of the irrigation system, the material used in valve construction, the type of solenoid valve, the pressure rating, the valve actuator type, the valve control type, and the cost of the valve. By taking these factors into account, one can select an irrigation valve that adequately meets their irrigation needs while fitting within their budget constraints.

COVNA is a irrigation valve manufacturer in China with 23 years experience. We offer extensive flow control project experience and various product solutions for irrigation system. If you have any questions about the irrigation valve, please feel free to contact us. Email: [email protected]