What do you have when there’s a cross point between the system’s characteristics and the pump’s performance?
Why will pumps with a constant duty point soon be a thing of the past?
What happens to the flow when the NPSH value increases?
What do pump curves help you do?
In their simplest forms, what do pump curves measure?
When selecting a pump for variable flow, what's imperative?
Test results
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Q: What do you have when there’s a cross point between the system’s characteristics and the pump’s performance?
A: The specific duty point
Q: What do you have when there’s a cross point between the system’s characteristics and the pump’s performance?
A: The desired flow rate
Q: What do you have when there’s a cross point between the system’s characteristics and the pump’s performance?
A: The total head
Q: Why will pumps with a constant duty point soon be a thing of the past?
A: Because duty pumps no longer operate alone
Q: Why will pumps with a constant duty point soon be a thing of the past?
A: Because better and smarter control valves are available
Q: Why will pumps with a constant duty point soon be a thing of the past?
A: Beause of the use of variable speed pumps for applications with variable demand
Q: What happens to the flow when the NPSH value increases?
A: It decreases
Q: What happens to the flow when the NPSH value increases?
A: It remains the same
Q: What happens to the flow when the NPSH value increases?
A: It increases as well
Q: What do pump curves help you do?
A: They help you identify and select the right pump for your needs
Q: What do pump curves help you do?
A: They give you the pump’s technical specifications
Q: In their simplest forms, what do pump curves measure?
A: Pressure and flow
Q: In their simplest forms, what do pump curves measure?
A: Flow and head
Q: In their simplest forms, what do pump curves measure?
A: Flow and pressure
Q: When selecting a pump for variable flow, what's imperative?
A: Looking for pumps which offer the best efficiency at lower more frequent flow
Q: When selecting a pump for variable flow, what's imperative?
A: Selecting a pump with the best efficiency at the peak flow
Q: When selecting a pump for variable flow, what's imperative?
A: Looking for a pump with a constant duty point