# How can I calculate pump capacity?

How can we calculate water pump capacity and pipe diameter for 20 story residential building , over head tank capcity is 50000 liter if pump operating hour 5

 Faizan Mkd Posts: 3, Reputation: 1 New Member #2 Mar 8, 2013, 02:59 AM
You must at least have pipe diameter for calculation. Let some diameter of pipe you want, see its allowable velocity for the pipe material and diameter & then calculate its flow.

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