Affinity Law of the Pump at various condition
When Only Impeller Dia. Changes & Speed Remains The
Same
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When Only Speed Changes & Impeller Dia. Remains The
Same
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Q2 = Q1 x (D2/D1)
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H2 = H1 x (D2/D1) ²
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P2 = P1 x (D2/D1) ³
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P2 = P1 x (N2/N1) ³
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Where, Q1, H1, P1, D1 & N1 Are Capacity, Head, Input Power In
Kw, Impeller Dia. & Speed At Initial Condition.
Where, Q2,
H2, P2, D2 & N2 Are Capacity, Head, Input Power In Kw, Impeller Dia. &
Speed At Changed Condition.
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