5 Questions
What does ASME consider insufficient for vessel protection?
Relief valves sensitive only to temperature
At what temperature does the temperature element in a T&P valve open?
99°C
What type of temperature relief device employs a fusible element which melts at 99°C?
T&P valve
How often is it recommended for T&P valves to receive try lever tests?
Annually
Where must the safety relief valve be installed on the hot water supply system?
Directly to a tapped or flanged opening in the top of the water heater
Test your knowledge of the construction and operation of temperature and pressure relief valves for potable hot water heaters. Learn about safety relief valves, ASME BPVC IV Part HLW, operating pressures, and maximum temperatures.
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