Fan Curve Calculator
Fan Type
Roof Fan (Centrifugal — VKOP/VKR)
Axial — SPF/EPF/SEF (Stair/Elevator Pressurization, Smoke Exhaust)
Vendor Reference Points
Point 1 — Flow Q1
(m³/h)
Point 1 — Pressure P1
(Pa)
Point 2 — Flow Q2
(m³/h)
Point 2 — Pressure P2
(Pa)
Required Duty Flow Q3
(m³/h)
Leave 0 to only see the fitted curve without an evaluation
Required Duty Pressure P3
(Pa)
Update Calculation
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Calculation Steps