Questions and Answers
What is the purpose of the 'pop test' for safety valves?
To check the full operation of the safety valve, including the exact pressures at which it opens and closes
When should the pop test be performed?
Annually
Who is qualified to adjust or repair pressure relief valves according to ASME BPVC sections?
Valve manufacturer or its authorized repair representative
What should be done if the safety valve continues to simmer after operating the try lever?
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What should be compared during the pop test to determine if the valve is operating properly?
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What should be done before taking a boiler off-line for maintenance, according to the text?
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What is the purpose of a try lever test for pressure relief valves?
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How often should try lever tests be performed for power boilers operating below 2760 kPa?
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What is the minimum required pressure for performing a try lever test on a steam heating boiler?
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When should try lever tests be performed?
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Where can detailed descriptions of pressure relief valve test procedures be found?
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What is the primary purpose of keeping pressure relief valves in good working condition?
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