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Absorbed power by pump

kW Power = (Flow x Pressure x SG)/ K x e

Where:
e = pump efficiency as decimal fraction 
k = constant, values given in the table

 Pressure   ft   psi   m   bar   kPa 
 Quantity  Vaules of K 
 UK gal/m  4 420 1 915      
 US gal/m  5 310  2 298      
 m3/hr  1 207    367,8 36,08    36 076
 l/sec      102,2 10,02    1 002
 l/min      6 134 601,5 60 150 
 l/hr      367 852 36 076  3 607 600 
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