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Medium and High Pressure Gas Networks

PN-M-34034:1976 (0.1-16 bar)

Isothermal flow method with gas compressibility. Friction factor λ per Colebrook-White equation.

Flow at standard conditions (0°C, 1013.25 hPa). Velocities converted to operating conditions.

Pressure as gauge pressure in bar. Temperature affects density and flow velocity.

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