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Work pointThe work point is the point of intersection of Q-Hcurve with the system characteristic curve.HWork pointQSystem characteristic curveThe common thing about all characteristic curvesis the connection between Q (volume) and pressure(H). If Q is reduced 2 times, H will be reduced4 times.HQPumps connected in parallelFor the pumps connected in parallel Q will increase.There will be joining on the horizontal line.For two equal pumps the maximum Q will double.The maximal H will be the same.HPu 1 Pu 2Pu 1 +Pu 2HHQQQPu 1Pu 2Consecutively connected pumpsFor the consecutively connected pumps H willincrease.There is a joining on the vertical line.For two same pumps the maximal H will double.The maximal Q will remain the same.HPu 1QHPu 1Pu 2Pu 2 QHPu 1 + Pu 2Q<strong>Pipelife</strong>www.pipelife.com21
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