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Gas

Gas Flow
Simulation Software

Compressible flow made practical. Model operating conditions, reduce losses, and optimize design for gas and vapor systems.

Save up to 70% design time with accurate results using real gas behavior
Prevent unwanted choked flow in gas systems
Size, select and develop compressor optimization strategies
Trusted by 1,000+ engineers worldwide for critical gas systems
Features

Core Gas Flow Capabilities

Precise Computational Modeling for Gas Flow Systems

Pressure Control Valve Modeling

Model gas pressure control valves using industry‑standard sizing methods to evaluate valve performance, capacity, and stability in gas distribution systems.

Automatic PSV Sizing

Automatically size pipes, PSVs, and orifice plates to API RP 520 Part 1 and ISO 4126‑1 standards, eliminating manual calculations and supporting compliance with industry requirements.

Sonic Velocity and Choked Flow Checks

Evaluate sonic velocity and choked flow conditions in gas systems so you can verify safe velocities, avoid excessive noise and vibration, and prevent capacity limitations at critical restrictions.

Heat Transfer Calculation

Include heat transfer in gas network simulations to account for temperature changes, thermal losses, and insulation effects, improving accuracy for sizing, pressure drop prediction, and equipment protection.

Benefits

Why Engineers Choose FluidFlow

FluidFlow’s compressible flow simulation easily models gas systems and analyzes pipeline operating conditions.

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Economic Pipe Sizing Using the Generaux Equation

Optimize pipe diameter by evaluating both upfront cost and lifetime energy consumption.

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Accurate Pressure Loss

Compute pressure loss using conservation equations and EOS (e.g., Benedict–Webb–Rubin, Peng–Robinson, Lee–Kesler), including Joule–Thomson effects to account for temperature changes.

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Clear Visualization of System Behavior

See pressures, temperatures, velocities, and demand response across the network under changing operating loads.

Applications

Industry-Specific Applications

Use Cases

Trusted Across Industries

1,000+ companies across mining, power generation, oil & gas, chemical processing, pharmaceutical, and marine industries rely on FluidFlow for gas compressible flow system design.

80% Faster — More Time for Engineering, Less on Spreadsheets

“CoMo-Industrial Engineering has measured an 80% time saving when using FluidFlow, allowing us to spend more time optimizing piping systems instead of modeling in Excel and other software.”

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– Corné Moerbeek, Process Engineer, CoMo Industrial Engineering
What Sets Us Apart

Advanced Features

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Control Valve Sizing and Analysis

  • Size and back‑calculate control valves for gas service using industry‑standard methods, checking Cv, travel, and operating range to avoid operational issues, noise, and instability.
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Professional Integration

  • Custom reports with pressure profiles and design summaries.
  • CAD PCF import from SmartPlant 3D, CADWorx, SolidWorks. Exports to PDF/Excel.

Experience FluidFlow Today

What’s Included in your Free Trial:

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Full Professional Features

Access to all simulation modules and advanced tools

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14 full days

Plenty of time to test with your real projects

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Sample Projects Included

Pre-built examples to get you started immediately

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Live Support During Trial

Get help from our engineering team via chat and email