Hose Flow Rate Calculator - Pressure, Diameter and Length Charts
Online Charts to help you understand the relationship between the Pressure of the Fluid, the Diameter and the Length of the Hose with the Volumetric Flow Rate
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How the Hose Flow Rate Calculator works?
This Flow Rate Calculator will calculate the average flow rate of the fluid based on the hose diameter, pressure and length of the hose.
Below you will 3 different charts related with the volumetric flow rate and the different measurements.
The first one relates the hose of the length and the flow rate. You can specify your own value for the pipe or hose length. Once you enter the value into the cell the chart will be updated. As you can see when your hose length increases the available flow will decrease. You must consider the length of the hose introduced as the required length. The volumetric flow is the one you will have at the service point.
The second one relates the pressure of the fluid and the flow rate. In this case you can specify your own value for the fluid' pressure. Once you enter the value into the cell the chart will be updated. As you can see when your fluid' pressure increases the available flow at the service point will also increase.
The last one relates the internal diameter of the hose and the flow rate. You can specify your own value for the internal hose diaemeter. Once you enter the value into the cell the chart will be updated. As you can see when your hose diameter increases the available flow at the service point will also increase.
We hope you enjoy using this calculator.
Pipe Length vs Volumetric Flow
Pressure in Pipe vs Volumetric Flow
Hose Diameter vs Volumetric Flow
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Information and Definitions
Fluid Name or Composition. Fluid is called a type of continuous medium formed by some substance whose molecules have only a weak force of attraction.
A fluid is a set of particles that are held together by weak cohesive forces and the walls of a container; The term encompasses liquids and gases.
Operating Pressure of the fluid in Bar units. Pressure has two effects on volume. The higher pressure makes the gas denser so less volume flows through the meter. However, when the volume is expanded to base pressure, the volume is increased.
Density is the relation of mass and volume.The density of a material varies with temperature and pressure. This variation is typically small for solids and liquids but much greater for gases.
Inside diameter of the hose. All process calculations are based on the volume of the hose which is the function of internal diameter of the hose. As per standards, any pipe is specified by two non-dimensional numbers Nominal Diameter (in Inches as per American Standards or mm as per European standards) and Schedule (40, 80, 160,...). The outer diameter of the pipe is the diameter of outer surface of the pipe.
Volumetric Flow Rate
Volumetric flow is often deduced by knowing the cross sectional area of the fluid. Most volumetric flow equipment measures the velocity and calculates the volumetric flow based on a constant cross seciotnal area. Volumetric flow is usually represented with Q letter.
Hose Flow Rate Calculator References
1. U.S. Dept. of the Interior, Bureau of Reclamation, 2001 revised, 1997 third edition, Water Measurement Manual.
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- Density of Common Liquids, an useful table that represents the density of some common liquids and their temperature.
- This table shows us the molecular weigth of common gases and his formula: Molecular Weight of Common Gases
- Read an easy explanation about the difference between the distinct types of pressure in "Whats the difference between Absolute, Gauge and Differential Pressure?".