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Search results with tag "Affinity laws"
Pump Basics - About INSCO
www.inscogroup.comThe Affinity Laws - Formulas • The Affinity Laws describe how changes in RPM (N) affect GPM, HEAD, and HP in centrifugal pumps. There are three laws:
Commonly Used HVAC Formulae and Conversions
www.thermalnetics.comThe Affinity Laws (Fan/Pump Laws) rpm 2 Flow 2 rpm 1 Flow 1 ∆P 2 Flow 2 2 ∆P 1
affinity laws - pumpfundamentals.com
www.pumpfundamentals.comwhere subscripts 1 and 2 denote the value before and after the change. P is the power, n the speed, D the impeller diameter, H the total head.