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ToolsDP-to-Flow Extractor

DP-to-Flow Extractor

Calculate volumetric and mass flow rates from differential pressure transmitters installed across Orifice Plates.

Purpose & Calculation Breakdown (India)

Purpose of this Tool: Extract volumetric flow rates from the differential head loss across a restricted-bore orifice plate.

• Beta Ratio (d/D):\beta = \frac{d}{D}
• Volumetric Flow Rate Equation (ISO 5167):Q_{m^3/s} = C_d \times A_{orifice} \times \sqrt{ \frac{2 \Delta P}{\rho \cdot (1 - \beta^4)} }
• Mass Flow Conversion:W_{kg/h} = Q_{m^3/h} \times \rho
Slide or enter DP value
01000
Differential Pressure unit
Internal diameter of the main process pipe
mm
10 mm500 mm
Inner bore diameter of the restriction plate
mm
5 mm400 mm
Process medium density (standard air is ~1.2, water is ~1000)
kg/m³
0.11200
Usually ranges from 0.60 to 0.62 per ISO 5167
0.50.8

Calculated Flow Rates

Volumetric Flow Rate954.524
m³/h
Mass Flow Rate1149.246
kg/h
Diameter Beta Ratio (β)0.6250
d/D Ratio

Generates a formal executive feasibility proposal page ready for management sign-off & signatures.

Suggested Next Step

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