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Actuator Sizing Calculator

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Input Parameters

Unit System

Imperial (°F, BTU, ft)SI (°C, kW, m)

Actuator Type

Damper/Valve Size (in)

Pressure Drop (in WG)

Results

Actuator Sizing

49

Required Torque in-lb

Small (5-10 in-lb)

Recommended Actuator

Calculation Steps

1

Calculate Damper Area

Formula:

A = \pi \left(\frac{D}{2}\right)^2

Calculation:

A = \pi \left(\frac{12.0}{2}\right)^2

Result:

113.1 \text{ in^2}

2

Calculate Force

Formula:

F = A \times \Delta P

Calculation:

F = 113.1 \times 2.00

Result:

8.2 \text{ lb}

3

Calculate Required Torque

Formula:

T = F \times \frac{D}{2}

Calculation:

T = 8.2 \times \frac{12.0}{2}

Result:

4.1 \text{ in-lb}