Pressure relief
Pressure relief is a mechanism used in various systems, including irrigation systems, to protect against damage caused by excess pressure.
In an irrigation system, pressure relief valves are typically installed on the boosted supply line or on individual zone valves to regulate the water pressure and prevent damage to the pipes, valves, and sprinklers.
The pressure relief valve works by opening automatically when the pressure in the system exceeds a predetermined level. When the valve opens, it releases water from the system and reduces the pressure to a safe level. This helps to protect the system from damage caused by excessive pressure, such as burst pipes or damaged valves.
Pressure relief valves are an important safety feature in irrigation systems, as they can prevent costly repairs and water waste. They are typically designed to operate within a specific pressure range and should be calibrated and tested regularly to ensure proper operation.
In addition to pressure relief valves, other measures can also be taken to control water pressure in an irrigation system, such as installing pressure regulators or adjusting the flow rate of the system. Proper maintenance and monitoring of the irrigation system can help to ensure that the pressure is regulated and that the system operates efficiently and effectively.
Operation and test
The necessary pressure level has to be measured on every zone when it’s operated.
When the pressure relief is not able to reduce the pressure, it often happens due to its broken mechanism.
Maintenance
The equipment has to be replaced when it’s been failed on testing.
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