Podcast
Questions and Answers
What is the function of the float-check in the AVB under normal flow conditions?
What is the function of the float-check in the AVB under normal flow conditions?
- Prevent water from flowing through the assembly
- Shut off the upstream shutoff valves
- Regulate the water flow rate
- Act as a check valve and an air-inlet valve (correct)
Where does the float-check seal off the port during normal flow in the AVB?
Where does the float-check seal off the port during normal flow in the AVB?
- Overflow port
- Water-inlet port
- Check valve port
- Air-inlet port (correct)
What happens to the float-check as water flows through the AVB under normal conditions?
What happens to the float-check as water flows through the AVB under normal conditions?
- Floats up to the air-inlet port and seals it off (correct)
- Acts as a flow regulator
- Opens the upstream shutoff valves
- Sinks to the bottom of the assembly
What is the purpose of having shutoff valves located upstream of the AVB assembly?
What is the purpose of having shutoff valves located upstream of the AVB assembly?
What does the float-check act as in the AVB under normal flow conditions?
What does the float-check act as in the AVB under normal flow conditions?
Where does the float-check seal off the port during normal flow in the AVB?
Where does the float-check seal off the port during normal flow in the AVB?
What is the purpose of having shutoff valves located upstream of the AVB assembly?
What is the purpose of having shutoff valves located upstream of the AVB assembly?
What is the function of an Atmospheric Vacuum Breaker (AVB) under normal flow conditions?
What is the function of an Atmospheric Vacuum Breaker (AVB) under normal flow conditions?
What is the function of the float-check in the AVB under backsiphonage conditions?
What is the function of the float-check in the AVB under backsiphonage conditions?
What is the role of the float-check in preventing backsiphonage in an AVB?
What is the role of the float-check in preventing backsiphonage in an AVB?
Why does the float-check fall to the seat of the assembly during backsiphonage in an AVB?
Why does the float-check fall to the seat of the assembly during backsiphonage in an AVB?
What happens to the float-check in an AVB as water flows through it under normal conditions?
What happens to the float-check in an AVB as water flows through it under normal conditions?
What is the purpose of the float-check in an Atmospheric Vacuum Breaker (AVB) under backsiphonage conditions?
What is the purpose of the float-check in an Atmospheric Vacuum Breaker (AVB) under backsiphonage conditions?
What happens to the float-check in an AVB during backsiphonage?
What happens to the float-check in an AVB during backsiphonage?
Where does the float-check seal off the port during normal flow in an AVB?
Where does the float-check seal off the port during normal flow in an AVB?
What is the function of an Atmospheric Vacuum Breaker (AVB) under normal flow conditions?
What is the function of an Atmospheric Vacuum Breaker (AVB) under normal flow conditions?
What is the primary purpose of installing an AVB at least six inches above all downstream piping and outlets?
What is the primary purpose of installing an AVB at least six inches above all downstream piping and outlets?
Why is it important not to use shutoff or control valves downstream of the AVB?
Why is it important not to use shutoff or control valves downstream of the AVB?
What happens to the float-check in an AVB during backsiphonage?
What happens to the float-check in an AVB during backsiphonage?
What is the main use of an AVB in irrigation systems?
What is the main use of an AVB in irrigation systems?
What is the primary purpose of installing an AVB at least six inches above all downstream piping and outlets?
What is the primary purpose of installing an AVB at least six inches above all downstream piping and outlets?
Why is it important not to use shutoff or control valves downstream of the AVB?
Why is it important not to use shutoff or control valves downstream of the AVB?
What is the main use of an AVB in irrigation systems?
What is the main use of an AVB in irrigation systems?
What happens to the float-check in an AVB as water flows through it under normal conditions?
What happens to the float-check in an AVB as water flows through it under normal conditions?
What is the maximum continuous use or pressure duration allowed for an Atmospheric Vacuum Breaker (AVB) in a 24-hour period?
What is the maximum continuous use or pressure duration allowed for an Atmospheric Vacuum Breaker (AVB) in a 24-hour period?
Why should there be no pumps downstream of the Atmospheric Vacuum Breaker (AVB)?
Why should there be no pumps downstream of the Atmospheric Vacuum Breaker (AVB)?
Under what conditions can the AVB and PVB be used with chemical addition systems?
Under what conditions can the AVB and PVB be used with chemical addition systems?
What is the significance of installing an AVB at least six inches above all downstream piping and outlets?
What is the significance of installing an AVB at least six inches above all downstream piping and outlets?
What is the main reason for not using pumps downstream of the Atmospheric Vacuum Breaker (AVB)?
What is the main reason for not using pumps downstream of the Atmospheric Vacuum Breaker (AVB)?
Why must the AVB not be subject to continuous use or pressure for a maximum of twelve hours out of any twenty four hour period?
Why must the AVB not be subject to continuous use or pressure for a maximum of twelve hours out of any twenty four hour period?
Under what conditions can the AVB and PVB be used with chemical addition systems?
Under what conditions can the AVB and PVB be used with chemical addition systems?
What is the significance of installing an AVB at least six inches above all downstream piping and outlets?
What is the significance of installing an AVB at least six inches above all downstream piping and outlets?