What is the role of the flow limiting orifice sheet in an orifice plate flow meter?

Time: 2024-07-26
Equipment Configuration:orifice plate flow meter

Orifice plate flowmeter in the flow restriction orifice sheet can measure the fluid flow, control the maximum flow, reduce fluid pressure, reduce energy consumption, protect valves and other downstream equipment from impact and erosion, extend the service life, to achieve multiple functions.

Project Overview

The flow-limiting orifice plate in the orifice flowmeter plays a vital role. Its main functions and principles are as follows:

  1. Flow measurement: The flow-limiting orifice plate is used as a flow measurement element, using the pressure difference generated by the fluid passing through the orifice plate. Indirect measurement of flow rate. When the fluid flows through the orifice plate, the fluid velocity increases due to the throttling effect of the orifice plate, thereby forming a pressure difference before and after the orifice plate. There is a certain mathematical relationship between this pressure difference and the flow rate through the orifice plate. , by measuring this pressure difference and combining it with other known characteristics of the fluid (such as density, temperature, pressure), the flow rate of the fluid can be calculated.

  2. Flow limit: orifice plate. The disc can also be used as a throttling element to limit the flow of fluid through the pipe. By adjusting the hole size of the orifice plate, the maximum flow allowed to pass through can be precisely controlled, which is useful for protecting downstream equipment, preventing overflow damage, or maintaining specific process conditions. Important.

  3. Pressure reduction: While restricting flow, orifice plates also cause fluid pressure to drop, which is important for systems that require lower pressure fluids in subsequent processes. Particularly useful to help reduce energy consumption or meet the pressure requirements of a specific process.

  4. Protective equipment: In some cases, an orifice plate is installed upstream of the valve to reduce pressure. The impact and erosion of the valve by the fluid, especially in applications where the pressure difference between the front and rear of the valve is large, can effectively extend the service life of the valve.

In summary, it is limited. The orifice plate not only achieves accurate flow measurement in the orifice flowmeter, but also provides flow control,Multiple functions such as pressure regulation and equipment protection.

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The magnetic inductive flowmeter industry, these are successful cases with comparable and reference value.

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