Don't you know what types of differential pressure orifice flow meters there are?

What are the types of differential pressure orifice flow meters? I believe there are still a few friends who are not clear, and here, the editor has sorted out the following detailed content. Next, let's follow the editor's footsteps and take a look together? I hope it can be helpful to everyone:

Differential pressure orifice flowmeter is a commonly used flowmeter that uses the principle of differential pressure to measure the flow rate of fluid flowing through pipelines. In practical applications, there are various types of differential pressure orifice flow meters to meet the measurement needs of different fields and media. The following introduces several common differential pressure orifice flow meters:

1. Standard orifice flowmeter

The standard orifice flowmeter is the most basic and widely used differential pressure orifice flowmeter. It consists of a disc-shaped orifice plate and a measuring tube that matches it. When the fluid flows through the orifice plate, due to a decrease in the cross-sectional area of the fluid flow, the flow rate increases, and the pressure decreases, resulting in a differential pressure in the measuring tube. The flow rate of the fluid can be calculated by measuring the change in differential pressure.

2. Eccentric orifice flowmeter

Eccentric orifice flowmeter is a type of differential pressure orifice flowmeter with a relatively complex structure. In an eccentric orifice flowmeter, the center of the orifice deviates from the centerline of the pipeline, resulting in a more significant reduction in cross-sectional area and an increase in flow rate when the fluid flows through the orifice, resulting in a greater differential pressure inside the measuring tube. This flowmeter is suitable for some special occasions, such as requiring higher precision measurements.

3. Internal Orifice Plate Flowmeter

The built-in orifice flowmeter is a differential pressure orifice flowmeter that embeds the orifice plate into the pipeline for measurement. The characteristic of this flowmeter is that it can be installed and debugged on site without the need to disassemble pipelines, thereby reducing the workload of installation and debugging. At the same time, the built-in orifice flowmeter can also be customized according to different pipeline diameters and fluid media to meet the needs of different fields.

4. Circular orifice flowmeter

The circular orifice flowmeter is a differential pressure orifice flowmeter with a simple structure and convenient use. In a circular orifice flowmeter, the shape of the orifice plate is half circular. When the fluid flows through the orifice plate, differential pressure is generated in the measuring tube due to a decrease in cross-sectional area and an increase in flow rate. The circular orifice flowmeter is suitable for flow measurement in some small diameter pipelines, such as gas, steam, etc.

In summary, there are various types of differential pressure orifice flow meters, including standard orifice flow meters, eccentric orifice flow meters, internal orifice flow meters, and circular orifice flow meters. These flow meters are all based on the principle of differential pressure for flow measurement, and each type has its unique characteristics and applicability, which can be selected according to actual needs.

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