Instrumentation Engineering

Control Valve Actuator Sizing for Required Stroke Time and Torque Margin Calculator

Control Valve Actuator Sizing for Required Stroke Time and Torque Margin engineering calculator.

Quick Answer

Calculate Control Valve Actuator Sizing for Required Stroke Time and Torque Margin

Calculator

Required Actuator Torque (N·m)
—

Result Interpretation

Control Valve Actuator Sizing for Required Stroke Time and Torque Margin Calculator computes Required Actuator Torque in N·m using the defined engineering formula and the input values provided.

Worked Example

Verified calculation

Given:

  • Reference Stroke Time = 2
  • Target Stroke Time = 2
  • Torque Margin Factor = 1.3
  • Valve Friction Torque = 20
  • Valve Maximum Static Torque = 100
  • Valve Maximum Dynamic Torque = 30

Expected Result:

  • Required Actuator Torque = 390

Engineering Interpretation:

Under the given input conditions, the calculated result is: Required Actuator Torque = 390 N·m.

The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from automatically validated test cases.

Formula / Method

required actuator torque = (valve maximum static torque + valve maximum dynamic torque + valve friction torque) * torque margin factor * (1.0 + pow(target stroke time / reference stroke time, 2))

Formula family: formula_instrumentation_control_valve_actuator_sizing_for_required_stroke_time_torque_margin_calculator

Variables

SymbolLabelRoleDescription
valve_max_torque_static Valve Maximum Static Torque INPUT Valve Maximum Static Torque
valve_max_torque_dynamic Valve Maximum Dynamic Torque INPUT Valve Maximum Dynamic Torque
valve_friction_torque Valve Friction Torque INPUT Valve Friction Torque
torque_margin_factor Torque Margin Factor INPUT Torque Margin Factor
stroke_time_target Target Stroke Time INPUT Target Stroke Time
stroke_time_base Reference Stroke Time INPUT Reference Stroke Time
actuator_torque Required Actuator Torque OUTPUT Required Actuator Torque

Calculation Steps

  1. Enter the valve maximum static torque in N·m.
  2. Enter the valve maximum dynamic torque in N·m.
  3. Enter the valve friction torque in N·m.
  4. Enter the torque margin factor in dimensionless.
  5. Enter the target stroke time in s.
  6. Enter the reference stroke time in s.
  7. Step 1: Compute required actuator torque.
  8. Read the required actuator torque (N·m) from the results.

Engineering Summary

Calculate Control Valve Actuator Sizing for Required Stroke Time and Torque Margin

Frequently Asked Questions

What does this calculator calculate?

The Control Valve Actuator Sizing for Required Stroke Time and Torque Margin Calculator estimates Required Actuator Torque based on the input parameters you provide

Why is valve maximum static torque important in this calculation?

valve maximum static torque is directly proportional to required actuator torque. When you enter valve maximum static torque in N·m, the calculator uses it in the engineering formula to compute the output

How should I interpret the result required actuator torque?

The calculator outputs required actuator torque in N·m. The result is computed directly from the input values using the defined engineering formula

What units should I use for the inputs?

Enter each value in the units shown next to the input field: Valve Maximum Static Torque (N·m), Valve Maximum Dynamic Torque (N·m), Valve Friction Torque (N·m), Torque Margin Factor (dimensionless), Target Stroke Time (s), Reference Stroke Time (s). Make sure all inputs use the specified units for consistent results

What assumptions does this calculator use?

This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment

Related Tools

Browse More Tools

Explore the full index of engineering calculators on this vertical site.