Please help at which point the pump will works ?

[mech212]

Hey , in the image i uploaded if we have a pump and its pump curve as shown , the pump is a single speed pump so its only one H-Q curve ,,, If our system required flow and head is at point 1 so at what point it will intersect the pump curve and also if our system required flow and head is at point 2 this is beyond pump curve pump but also the pump will work at which point exactly ?

 

[LittleInch]

Without any other factor, it will be where the system curve intersects the HQ curve.

By using a control valve you can get any flow at any head which is under the curve.

Point 2 is not possible.

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Also: If you get a response it's polite to respond to it.

 

[mech212]

Point 2 means that the system head is larger than the pump head so if e install the pump what will happen it will not work ?

 

[LittleInch]

Correct. It will not work as shown.

Remember - More details = better answers
Also: If you get a response it's polite to respond to it.

 

[LittleInch]

If points 1 and 2 are on the same system curve, the actual flow will be about half way between them where it intersects the pump duty line.

Remember - More details = better answers
Also: If you get a response it's polite to respond to it.