1
What happens to the flow when the NPSH value increases?
2
What do pump curves help you do?
3
What characterises a flat curve?
4
What do you have when there’s a cross point between the system’s characteristics and the pump’s performance?
Test results
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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: What characterises a flat curve?
A: When there are small changes in head resulting in large changes in flow
Q: What characterises a flat curve?
A: When there are large changes in head resulting in large changes in flow
Q: What characterises a flat curve?
A: When there are small changes in head resulting in small changes in flow
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