Questions and Answers
What is the purpose of a try lever test for pressure relief valves?
To determine if a pressure relief valve is operating freely
How often should a try lever test be performed on power boilers operating below 2760 kPa?
Every six months
What is the minimum required pressure for performing a try lever test on a steam heating boiler?
35 kPa
When should try lever tests be conducted?
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What is the minimum required pressure for performing a try lever test on a power boiler?
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If a pressure relief valve simmers after a try lever test, what does it indicate?
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What is the purpose of the pop test for a safety valve?
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When should a pop test be performed on a boiler?
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Who is qualified to adjust or repair pressure relief valves as per ASME BPVC?
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What should be done if a safety valve continues to simmer after operating the try lever?
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Why is it important to perform a pop test before taking a boiler off-line for maintenance?
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What should be done after accurately recording the opening and reseating pressures in a pop test?
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