Orifice Plate Calculators


Our best Orifice Plate Calculators

Welcome to our category offering a set of orifice plate calculators! If you are looking to accurately measure the flow of liquids or gases through pipes, orifice plates are a reliable and cost-effective solution. However, calculating the correct orifice size can be a complex task, involving multiple variables and equations. That's where our orifice plate calculators come in. Our calculators are easy to use and free of charge. Simply input the relevant parameters such as pipe size, fluid type and flow rate, and our calculator will do the rest, providing you with the correct orifice plate size and flow coefficients. We offer a range of calculators to suit various applications, including ISO 5167-1:1991 standard. Our orifice plate calculators have been developed by experts in the field and are regularly updated to ensure accuracy and reliability. They are widely used by engineers, technicians and other professionals in industries such as oil and gas, chemical processing, and water treatment. Our webpage also includes useful information and resources to help you understand orifice plate theory and application. Try our orifice plate calculators today and see the benefits for yourself! With these calculators we can determine the dimension of the orifice size, the pressure drop or the volumetric flow. All the calculators in this section base their calculations on the ISO 5167 standard. We will gradually add more tools to this section. The results of all calculators are exportable in spreadsheet format. If you have any questions or require further clarification, do not hesitate to contact us.


Orifice Plate - Find Flow Rate

This calculator let you calculate the flow rate based on ISO 5167-2:2003 standard. This standard refers to the flow measurement with area reduction instruments, for circular pipes with the section completely filled with fluid. The results are exportable in spreadsheet format. The orifice plate flow rate calculator is a tool used to calculate the flow rate of a fluid through an orifice plate. It takes into account the size of the orifice, the fluid density and viscosity, and the pressure drop across the orifice.

Orifice Plate - Find Orifice Size

This calculator let you calculate the orifice plate diameter based on ISO 5167-2:2003 standard. This standard refers to the flow measurement with area reduction instruments, for circular pipes with the section completely filled with fluid. The results are exportable in spreadsheet format. An orifice plate size calculator is a tool used to determine the proper size of an orifice plate for a given flow rate.

Orifice Plate - Find Pressure Drop

This calculator let you calculate the pressure drop based on ISO 5167-2:2003 standard. This calculation is based on the principle of fluid mechanics, specifically the Bernoulli equation, which relates the pressure drop across an orifice to the flow rate through it. By inputting parameters such as pipe diameter, fluid type, and desired flow rate, the calculator can output the optimal orifice plate size for accurate measurement and control of fluid flow. The results are exportable in spreadsheet format.


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Frequently Asked Questions


Q1 - What is an Orifice Plate and why is it used in flow measurement?

An Orifice Plate is a thin, flat plate with a hole (or orifice) in the center, which is installed in a pipeline to measure and control fluid flow. It is used to create a pressure drop in the flow, and this pressure drop is related to the flow rate according to the principles of Bernoulli's equation. Orifice Plates are widely used in industries to monitor and control fluid flow in applications such as oil and gas, water treatment, and chemical processing. They are cost-effective and provide reliable flow measurement.

Q2 - How do I select the right Orifice Plate size for my application?

Selecting the correct Orifice Plate size involves understanding your process requirements and the fluid properties. Key parameters to consider include the desired flow rate range, fluid density, viscosity, and the required differential pressure. You should also consider the Reynolds number, which determines whether the flow is in the laminar or turbulent regime. Use flow coefficient (Cv) charts or equations to calculate the Orifice Plate size based on these factors. It's important to consult with industry standards and guidelines, such as API 14.3 or ISO 5167, for guidance on Orifice Plate selection

Q3 - What types of Orifice Plates are available, and how do I choose the right type?

Several types of Orifice Plates are available, including concentric, eccentric, segmental, and quadrants. The choice depends on the specific application. Concentric plates are commonly used for clean, non-viscous fluids. Eccentric plates are suitable for handling slurries or fluids with particles. Segmental and quadrant plates are used when the fluid contains solids or may be corrosive. Proper material selection is also crucial, considering factors like temperature and corrosion resistance.

Q4 - What is the significance of the beta ratio (β) in Orifice Plate sizing?

The beta ratio (β) is the ratio of the orifice diameter to the inside diameter of the pipe. It plays a vital role in Orifice Plate sizing because it affects the accuracy of flow measurement. A β value of 0.5 is commonly used, but the appropriate value can vary. Smaller β values are suitable for viscous fluids, while larger values are better for low Reynolds number applications. Properly sizing the β ratio is crucial to ensure that the pressure drop across the orifice plate is within a measurable range and that the flow coefficient (Cv) is optimized for accurate flow measurement. It's essential to adhere to industry standards and best practices for selecting the appropriate β ratio for your specific application.

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