Podcast
Questions and Answers
What type of safety relief valves are commonly used in potable water heaters and hot water storage tanks?
What type of safety relief valves are commonly used in potable water heaters and hot water storage tanks?
- Pressure relief valves only
- Temperature and pressure safety relief valves (correct)
- Temperature and pressure relief valves with no safety features
- Temperature relief valves only
What is the maximum allowable working pressure for the potable water heaters and hot water storage tanks?
What is the maximum allowable working pressure for the potable water heaters and hot water storage tanks?
- 99 kPa
- 100 kPa
- 1200 kPa
- 1100 kPa (correct)
According to ASME BPVC IV, Part HLW, how many officially rated temperature and pressure safety relief valves should each water heater have?
According to ASME BPVC IV, Part HLW, how many officially rated temperature and pressure safety relief valves should each water heater have?
- At least one (correct)
- None
- At least three
- At least two
What is the purpose of using temperature and pressure safety relief valves in potable water heaters and hot water storage tanks?
What is the purpose of using temperature and pressure safety relief valves in potable water heaters and hot water storage tanks?
Which ASME BPVC Section refers to safety relief valve requirements for industrial and commercial potable water heaters?
Which ASME BPVC Section refers to safety relief valve requirements for industrial and commercial potable water heaters?
What temperatures are not exceeded by the potable water heaters and hot water storage tanks?
What temperatures are not exceeded by the potable water heaters and hot water storage tanks?
What is the purpose of a combination temperature and pressure relief valve?
What is the purpose of a combination temperature and pressure relief valve?
According to HLW-801, what is the recommended frequency for try lever tests of T&P valves?
According to HLW-801, what is the recommended frequency for try lever tests of T&P valves?
What is one type of temperature relief device mentioned in the text?
What is one type of temperature relief device mentioned in the text?
According to ASME, why are relief devices sensitive only to temperature considered insufficient for vessel protection?
According to ASME, why are relief devices sensitive only to temperature considered insufficient for vessel protection?
Where must the pressure relief valves be installed according to HLW-801?
Where must the pressure relief valves be installed according to HLW-801?
What must be provided if relief devices actuate only on temperature, according to ASME?
What must be provided if relief devices actuate only on temperature, according to ASME?
How does the temperature sensitive element of a T&P valve operate?
How does the temperature sensitive element of a T&P valve operate?
Why are safety relief valves or a temperature and pressure relief valve recommended if relief devices actuate only on temperature?
Why are safety relief valves or a temperature and pressure relief valve recommended if relief devices actuate only on temperature?
What is the purpose of a fusible element in one type of temperature relief device mentioned in the text?
What is the purpose of a fusible element in one type of temperature relief device mentioned in the text?
What should be considered while installing safety relief valves according to ASME?
What should be considered while installing safety relief valves according to ASME?
What happens when a T&P valve discharges overheated water?
What happens when a T&P valve discharges overheated water?
What type of relief valves are commonly used in potable water heaters and hot water storage tanks as mentioned in the text?
What type of relief valves are commonly used in potable water heaters and hot water storage tanks as mentioned in the text?
What pressure should the setting of a safety relief valve be, according to ASME BPVC Section IV, Part HLW-800.1?
What pressure should the setting of a safety relief valve be, according to ASME BPVC Section IV, Part HLW-800.1?
What is the purpose of using temperature and pressure safety relief valves in potable water heaters and hot water storage tanks?
What is the purpose of using temperature and pressure safety relief valves in potable water heaters and hot water storage tanks?
What does ASME BPVC IV, Part HLW-800 refer to?
What does ASME BPVC IV, Part HLW-800 refer to?
What type of relief devices are insufficient for vessel protection according to ASME standards?
What type of relief devices are insufficient for vessel protection according to ASME standards?
What temperatures are not exceeded by the potable water heaters and hot water storage tanks?
What temperatures are not exceeded by the potable water heaters and hot water storage tanks?
What type of relief valve is recommended if relief devices actuate only on temperature, according to ASME?
What type of relief valve is recommended if relief devices actuate only on temperature, according to ASME?
What is the purpose of a combination temperature and pressure relief valve?
What is the purpose of a combination temperature and pressure relief valve?
Why are relief devices sensitive only to temperature considered insufficient for vessel protection according to ASME?
Why are relief devices sensitive only to temperature considered insufficient for vessel protection according to ASME?
How does the temperature sensitive element of a T&P valve operate?
How does the temperature sensitive element of a T&P valve operate?
What must be provided if relief devices actuate only on temperature, according to ASME?
What must be provided if relief devices actuate only on temperature, according to ASME?
Where must the pressure relief valves be installed according to HLW-801?
Where must the pressure relief valves be installed according to HLW-801?
What is one type of temperature relief device mentioned in the text?
What is one type of temperature relief device mentioned in the text?
What happens when a T&P valve discharges overheated water?
What happens when a T&P valve discharges overheated water?
What is the maximum allowable working pressure for the potable water heaters and hot water storage tanks?
What is the maximum allowable working pressure for the potable water heaters and hot water storage tanks?
According to ASME, what should be considered while installing safety relief valves?
According to ASME, what should be considered while installing safety relief valves?
