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Screenshots

  • AGA-3 Orifice screenshot 1
  • AGA-3 Orifice screenshot 2
  • AGA-3 Orifice screenshot 3
  • AGA-3 Orifice screenshot 4

About AGA-3 Orifice

AGA-3 Orifice calculates size, flow-rate or pressure drop for gas and liquid flow orifice meters based on the American Gas Association AGA Report No. 3 (AGA-3) (also API Manual of Petroleum Measurement Standards, Chapter 14.3). Orifice Size is calculated from given flowrate and pressure drop, Flowrate is calculated from given size and pressure drop and Pressure Drop requires orifice size and flowrate. Different taps can be selected: Flange Taps and Pipe Taps. Fluids include gases: Natural Gas (Specific Gravity must be provided), Air and Nitrogen, or liquids: Crude Oil, Water, Methanol, Mono-ethylene Glycol, Diethylene Glycol and Triethylene Glycol. In addition, selecting orifice material will adjust the sizing parameter of the orifice depending on temperature. Customary or SI-units.

What’s new

Version 6.0 · Updated January 25, 2026

Updated with Xcode 26.0 Minor Bug fixes

App privacy

The developer, Bjarne Berge, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

Alternatives to AGA-3 Orifice

Looking for apps like AGA-3 Orifice? Here are 6 similar apps on the App Store. The highest rated is Simple Harmonic Motion Calc (5.0/5), and 3 of the 6 are free to download.

AGA-3 Orifice vs. alternatives
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