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Saturday, August 1, 2009

Water Turbine Speed

Type of turbineNominal speed(n rpm)Runaway speed
Semi Kaplan, single regulated75-1002-2.4
Kaplan, double regulated75-1502.8-3.2
Small-medium Kaplan250-7002.8-3.2
Francis (medium & high head)500-1500 1.8-2.2
Francis (low head)250-5001.8-2.2
Pelton500-15001.8-2
Crossflow100-10001.8-2
Turgo600-10002

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