Fan Static Pressure

Fan Static Pressure

VE-05
ASPCSPAdvanced

Formula
SPfan = SPout − SPin − VPin
When to Use

Calculate fan static pressure — the net pressure a fan must provide to move air through the system.

Symbol Legend
SymbolMeaningUnitNote
SPfanFan static pressure″wg
SPoutStatic pressure at fan outlet″wg
SPinStatic pressure at fan inlet″wgNegative value typical
VPinVelocity pressure at fan inlet″wgAlways positive

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