A hydro test, also known as a hydrostatic test, is a non-destructive test used to verify the structural integrity and leak tightness of pressure vessels, pipelines, and other components that will be used to contain or transport fluids under pressure. The test involves filling the component with water or another suitable liquid and pressurizing it to a specified level.
During the hydro test, the component is inspected for leaks, deformation, or other signs of failure. The pressure is maintained for a specific period of time, usually several hours, to ensure that the component can withstand the specified pressure without leaking or failing. The test pressure is typically higher than the maximum operating pressure of the component, in order to ensure that it can withstand unexpected pressure spikes or other stresses that may occur during normal use.
After the hydro test is complete, the component is drained and dried, and any leaks or defects that were detected are repaired. The component is then inspected again to ensure that it meets the required standards for pressure vessels and piping.
Hydro tests are typically required by industry standards and regulations, and are an important part of ensuring the safety and reliability of pressure vessels and piping systems. The test helps to identify and correct any defects or weaknesses in the component before it is put into service, which can help to prevent accidents and equipment failures.