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Control Valve Sizing & Analysis

Professional Excel worksheets for calculating valve flow coefficients (Cv), predicting aerodynamic and hydrodynamic noise, and graphing installed gain. Developed in accordance with established ISA/IEC engineering standards to support technical analysis.

“In technical design, a single sizing error can lead to chronic process instability or catastrophic hardware damage. Is your loop analysis rigorous enough to identify these risks before startup?”

Accurate valve selection requires more than basic Cv math. Our ISA/IEC aligned framework supports the rigorous analysis of noise, cavitation, and installed gain, helping your technical team identify operational risks before they become a safety or reliability incident.

*See Professional Disclaimer regarding engineering validation.

ISA/IEC Standards Aligned

Calculations developed in accordance with established engineering standards for verifiable results.

Advanced Acoustic Modeling

Predict aerodynamic and hydrodynamic noise using industry-standard ABC and IEC methodologies.

17+ Analytical Modules

Comprehensive Excel suite for sizing, installed gain graphing, and physical property analysis.

Advance your analytical workflow to support precise control valve selection and operational analysis. This analytical Excel toolkit provides the framework to:

  • Analyze Operational Variables: Proactively identify factors such as process variability and potential inefficiencies resulting from valve parameter selection.
  • Execute Engineering Analysis: Calculate predicted aerodynamic and hydrodynamic noise, model installed flow characteristics, and evaluate installed gain within a professional Excel environment.
  • Align with Engineering Standards: Apply calculation methodologies consistent with current ISA/IEC standards to support verifiable engineering results.

This toolkit includes detailed documentation and a library of technical articles to support your professional work.

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Control Valve Calculation & Noise Analysis Capabilities

This analytical suite provides the technical depth required for process optimization. These engineering tools facilitate the user's ability to:

  • ISA/IEC Noise Prediction: Perform aerodynamic and hydrodynamic noise analysis based on IEC 60534-8-3/4 methodologies.
  • Identify Operational Risks: Systematically analyze potential for cavitation, flashing, and choked flow during the design phase.
  • Evaluate Loop Stability: Graph installed flow characteristics and gain to assist in precise controller tuning.
  • Technical Validation: Access peer-reviewed articles and worksheets by Jon F. Monsen, Ph.D., PE, consistent with industry best practices.

Integrated Engineering Inventory: 17+ Analytical Modules

Each purchase provides immediate access to a suite of unprotected Excel workbooks (Password: "eliminator" if prompted) to support professional engineering workflows.

Advanced Sizing & Noise Modules (2020–2023 Updates)

  • Acoustic Analysis: Aerodynamic (Oct 2022) & Hydrodynamic (July 2022) Noise Worksheets based on the ABC method.
  • Liquid Flow Calculations: Non-Iterative Liquid Valve Sizing Workbook (April 2022).
  • Performance Characterization: Enhanced Installed Flow and Gain Graphing Tools (2021).
  • Sizing Suite: 2019 Workbooks for Liquid, Gas (Volumetric), and Gas (Mass) flow analysis.

Core Support & Legacy Tools

  • Reference modules for IEC Noise Calculation (Mass & Volumetric).
  • Physical property worksheets for Vapor Pressure and Gas Compressibility.
  • Analytical tools for P1/P2 vs. Flow and Liquid Pressure Drop.
  • Historical Projects: Full suite of legacy worksheets (2018 and prior).

Engineering Validation & Professional Responsibility

Notice to Engineering Professionals: This analytical suite is a technical resource intended for use by qualified engineers. Because industrial process conditions vary significantly, all calculation outputs must be reviewed and validated by a licensed Professional Engineer (PE) or the Engineer of Record (EOR) before implementation in any physical system.

Disclaimer of Warranty: These worksheets are provided "as-is" to facilitate technical analysis. IndustryDocs and the contributing authors make no warranties, express or implied, regarding the application of these tools to specific process environments. The user remains solely responsible for validating input data and for verifying that final selections adhere to applicable safety standards and site-specific requirements.

Supporting Article: A Brief Overview of Valve Sizing Calculations

This toolkit is built on the complex principles outlined in ISA/IEC standards. For a quick overview of the challenges in sizing, noise, and installed gain, read the summary by IndustryDocs founder, Thurston Clark.

Read the Overview on Control Valve Sizing

Aerodynamic Noise Prediction Workbook (October 2022)

  • Control Valve Aerodynamic Noise - October 2022 Worksheet: Aerodynamic_Noise_ABC_CVAT.xlsx

Hydrodynamic Noise Prediction Workbook (July 2022)

  • Control Valve Hydrodynamic Noise - July 2022 Worksheet: Hydro_ABC_Enanced_CVAT.xlsx

Non-Iterative Liquid Valve Sizing Workbook (April 2022)

  • Valve Sizing Calculation for Liquid Flow Without Requiring an Iterative Solution - April 2022 Worksheet: Liquid_Valve_Sizing_Non-Iterative.xlsx

Installed Flow & Gain Graphing Module - Enhanced (October 2021)

  • Enhanced Calculate and Graph Control Valve Installed Flow and Gain 2021 Worksheet: Graph_Installed_Flow_and_Gain_enhanced_101021.xlsx

Installed Flow & Gain Analysis Module (2021)

  • Calculate and Graph Control Valve Installed Flow and Gain 2021 Worksheet: Graph_Installed_Flow_and_Gain.xlsx

Hydrodynamic Noise Calculation: Baumann/Monsen Method (2020)

  • Control Valve Hydrodynamic Noise non IEC 2020 Worksheet: Hydrodynamic_Noise_Valve_World_Baumann_121819.xlsx

Full-Feature ISA/IEC Valve Sizing Workbooks (2019)

  • Liquid - Control Valve Sizing with IEC Noise 2019 Workbook: Valve_Sizing_W_IEC_Noise-Liquid.xlsx
  • Gas Volumetric Flow - Control Valve Sizing with IEC Noise 2019 Workbook: Valve_Sizing_W_IEC_Noise-Gas_Volumetric.xlsx
  • Gas Mass Flow - Control Valve Sizing with IEC Noise 2019 Workbook: Valve_Sizing_W_IEC_Noise-Gas_Mass.xlsx

Control Valve Sizing Excel Worksheets
(Legacy Versions - 2018 and Prior)

  • Liquid (Volumetric flow units) includes a tab that can convert mass flow to volumetric flow: 
    CV_Sizing-Liquid_Rev_3.5b.xlsx
  • Gas (Volumetric flow units where the molecular weight or specific gravity is known): CV_Sizing-Gas_
    Vol_Flow_Rev_3.5.xlsx
  • Gas (Mass flow units where the density is known. This includes steam): CV_Sizing-Gas_Mass_Flow_Rev_3.5.xlsx
  • 90 Deg to Relative Travel Table: 90_Deg_to_Relative_Travel_Table_Rev_0.xlsx
  • Instructions, PLEASE READ: Excel Worksheets for Control Valve Sizing (CV_Sizing_Instructions_Rev_5.5.pdf)

IEC Control Valve Aerodynamic Noise Worksheets:

  • IEC Aero Noise Mass: IEC_Aero_Noise_Mass_4C_R2.xlsx
  • IEC Aero Noise Volumetric: IEC_Aero_Noise_Vol_4C_R2.xlsx
  • Instructions: IEC_Aero_Noise_Instructions.pdf

IEC Control Valve Hydrodynamic Noise Worksheets:

  • IEC Hydro Noise Mass: IEC_Hydro_Noise_Mass_4C_R1b.xlsx
  • IEC Hydro Noise Volumetric: IEC_Hydro_Noise_Vol_4C_R1b.xlsx
  • Typical xFz, Fd and FL for IEC Control Valve Calculations: IEC_xFz_Fd_FL_Noise_Calcs_R4.xlsx
  • Instructions: IEC_Hydro_Noise_Instructions.pdf

Additional worksheets included with product purchase:

  • Liquid Vapor Pressure: Vapor_Pressure_Rev_1a.xlsx
  • Gas Compressibility Factor: Compressibility_Factor_Rev_1a.xlsx
  • Control Valve P1 and P2 vs. Flow: Control_Valve_P1_and_P2_vs_Flow_Rev_2.xlsx
  • Liquid Pressure Drop in Pipe and Fittings: Liquid_Press_Drop_in_Pipe.xlsx

Technical Reference Library: Control Valve Guides

Note: These are not included with product purchase.

Guide to Control Valves & Process Variability

Guide to Installed Gain | Control Valve Sizing

Control Valve Flow Characteristics

Converting a Non-Linear Valve Installed Flow Characteristic to a Linear Flow vs. Controller Output

Determining Gas Density Using the NIST Chemistry WebBook

Determining the Pressure Drop to be Used in a Control Valve Sizing Calculation

Installed Gain and Control Valve Selection

Installed Gain as a Control Valve Sizing Criterion

Keys to Effective Valve Sizing & Selection

Metso’s Nelprof® Helps Select a Pump for Optimum Control Valve Pressure Drop

Modern Tools for Sizing Control Valves and Actuators

Predicting Cavitation Damage in Control Valves

Rules of Thumb: Techniques and Considerations for Properly Sizing Control Valves

SteamTab Companion Free Windows App - Thermodynamic and Transport Properties of Water and Steam  

Stop Cavitation From Destroying Your Control Valve Trims

Valve Aerodynamic Noise Strategies

Why Equal Percentage Valves Act Linear

Why spend time designing all of your datasheets from scratch? 

Professionally designed datasheets in friendly Excel format that you may modify to suit your needs. Summarize the performance and technical characteristics of equipment and components in sufficient detail to be used by a design engineer for system integration. Specify typical values, ranges, tolerances, and nominal values.

 

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