How calculate total head provided by a pump

Hello samalmanas

Here is a link to more information on head calculation of a pump.

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Recirculating chilled water has three risers for a 110 ft. high building .The risers are terminated at a pump header.Risers are of different friction loss and velocity.Each risers supplies water to fcu anf ahu in the shops on floors.The total head loss is assumed at 120 ft.kindly guide us whether it will work properly.


Regard
1099

Recirculating chilled water has three risers for a 110 ft. high building .The risers are terminated at a pump header.Risers are of different friction loss and velocity.Each risers supplies water to fcu anf ahu in the shops on floors.The total head loss is assumed at 120 ft.kindly guide us whether it will work properly.


Regard
1099

Recirculating chilled water has three risers for a 110 ft. high building .The risers are terminated at a pump header.Risers are of different friction loss and velocity.Each risers supplies water to fcu anf ahu in the shops on floors.The total head loss is assumed at 120 ft.kindly guide us whether it will work properly.