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Piping Orifice Plate Flow Rate & Beta Ratio (ISO 5167) Calculator

Easily calculate and compute piping orifice plate flow rate & beta ratio (iso 5167) calculator with accurate equations, live formulas, and expert guidance.

Internal diameter.

Bore diameter.

Measured across flange taps.

Water = 998 kg/m³.

Calculated Result
25.25 kg/s

Mass Flow Rate

Mass Flow Rate

25.25 kg/s

Mass Flow Kg Per Sec

25.251084133780896

Volume Flow M3 Per Hour

91.08607503167457

Beta Ratio

0.551948051948052

Velocity Approach Factor

1.0499068589261444

25.25 — kg/s

Calculation Breakdown

  1. Applied FormulaSizes concentric square-edged differential pressure orifice plates and beta ratios (d/D) for liquid and gas metering according to ISO 5167-2 standards.q_m = \frac{C}{\sqrt{1 - \beta^4}} \epsilon \frac{\pi d^2}{4} \sqrt{2 \rho \Delta P}

Orifice Plate Flow Rate Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.06.3131925Mass Flow Rate

What Is the Piping Orifice Plate Flow Rate & Beta Ratio (ISO 5167) Calculator?

This tool computes piping orifice plate flow rate & beta ratio (iso 5167) calculator with high precision arithmetic.

How Does the Piping Orifice Plate Flow Rate & Beta Ratio (ISO 5167) Calculator Work?

Sizes concentric square-edged differential pressure orifice plates and beta ratios (d/D) for liquid and gas metering according to ISO 5167-2 standards.

Piping Orifice Plate Flow Rate & Beta Ratio (ISO 5167) Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

qm=C1−β4ϵπd242ρΔPq_m = \frac{C}{\sqrt{1 - \beta^4}} \epsilon \frac{\pi d^2}{4} \sqrt{2 \rho \Delta P}

Sizes concentric square-edged differential pressure orifice plates and beta ratios (d/D) for liquid and gas metering according to ISO 5167-2 standards.

How to Use the Piping Orifice Plate Flow Rate & Beta Ratio (ISO 5167) Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Piping Orifice Plate Flow Rate & Beta Ratio (ISO 5167) Calculator Example

Input Values:

pipeDiameterMm:154
orificeBoreMm:85
differentialPressureMbar:250
fluidDensityKgM3:998
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required kg/s.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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