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Hydraulic Orifice Flow Rate & Pressure Drop Calculator

Easily calculate and compute hydraulic orifice flow rate & pressure drop calculator with accurate equations, live formulas, and expert guidance.

Sharp-edged orifice ~0.60 to 0.65, rounded orifice ~0.80 to 0.90.

ISO VG 46 mineral oil is ~870 kg/m³.

Calculated Result
10.15 L/min

Orifice Flow Rate

Orifice Flow Rate

10.15 L/min

Flow Rate Liters Per Min

10.15

Flow Rate Gpm Us

2.68

Jet Velocity Meters Per Sec

107.2

Orifice Area Mm2

2.54

10.15 — L/min

Calculation Breakdown

  1. Applied FormulaCalculates hydraulic oil flow rates through restrictor orifices, check valve bypasses, and proportional valve metering notches.Q = C_d A \sqrt{\frac{2 \Delta P}{\rho}}

Hydraulic Orifice Flow Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.02.55.17.610Orifice Flow Rate

What Is the Hydraulic Orifice Flow Rate & Pressure Drop Calculator?

This tool computes hydraulic orifice flow rate & pressure drop calculator with high precision arithmetic.

How Does the Hydraulic Orifice Flow Rate & Pressure Drop Calculator Work?

Calculates hydraulic oil flow rates through restrictor orifices, check valve bypasses, and proportional valve metering notches.

Hydraulic Orifice Flow Rate & Pressure Drop Calculator Formula & Variables

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

Q=CdA2ΔPρQ = C_d A \sqrt{\frac{2 \Delta P}{\rho}}

Calculates hydraulic oil flow rates through restrictor orifices, check valve bypasses, and proportional valve metering notches.

How to Use the Hydraulic Orifice Flow Rate & Pressure Drop Calculator

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

Step-by-Step Example Calculation

Hydraulic Orifice Flow Rate & Pressure Drop Calculator Example

Input Values:

orificeDiameterMm:1.8
differentialPressureBar:50
dischargeCoefficientCd:0.62
fluidDensityKgM3:870
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required L/min.

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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