Pipeline Flow Calculator
Calculate gas flow rate from pipe diameter and pressure differential.
Inputs
in
miles
psi
psi
°F
%
Results
Flow Rate
955 Mcf/day
Gas Velocity
0.3 ft/s
Pressure Drop500 psi
Pressure Drop/Mile10 psi/mile
How to Use This Calculator
- Enter pipe diameter (inches), length (miles or km), inlet and outlet pressure (psia), and gas specific gravity.
- Enter flowing temperature (°F) and pipeline efficiency factor.
- Read maximum gas flow rate (MMscfd) using the Weymouth or Panhandle equation.
- Review pressure drop per mile to identify hydraulic bottlenecks.
- Use results to size compressor stations and optimize looping configurations.
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