There’s no time like the present to emphasize the significance of performing valve tests with caution, specifically when using the lever to manually test a valve in line. To prevent potential damage to relief valves, it is imperative to have the operating pressure at a minimum of 75-80% of its set pressure before initiating a manual test.
By adhering to the 75% minimum pressure guideline, the relief valve
is subjected to an appropriate pressure level for accurate testing.
Testing below this threshold can yield unreliable results and may lead to undetected issues that compromise the system’s safety.
So, remember, 75% minimum set pressure or else the valve could be damaged.
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