Circular orifice flowmeter | Working principle of orifice flowmeter Structure of orifice flowmeter

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What are the main types of orifice flow meters?

What are the main types of orifice flow meters?? Below is an introduction to the classification of the car surface:

1. Eccentric orifice plate pressure tapping method: Corner joint pressure tapping Eccentric orifice plate and circular hole plate are only suitable for installation on horizontal or inclined pipelines and cannot be used on vertical pipelines. If the tested fluid contains solid particles, the opening or gap should be placed below; When gas is released from the liquid, the opening or gap should be placed above the vertical circle; The pressure tap is located opposite the point of intersection between the circular notch or eccentric opening and the pipeline.

2、 Internal orifice plate is a type of orifice plate that integrates the orifice plate with the measuring tube, generally used for small diameters (DN ≤ 50mm), so it is also called small diameter orifice plate.

3、 Standard orifice plate is a type of standard throttling device with the most specifications, widely used in various fluid, especially gas flow measurement. The structure of the orifice plate varies depending on the pressure, diameter, and pressure measurement method. Standard orifice plates can be divided into three types based on common pressure measurement methods: corner joint pressure measurement, flange pressure measurement, and radial distance pressure measurement.

4、 Pressure measurement method for circular hole cavity state plate: flange pressure measurement. More flow meter information is available in the long control instrument.

2. What are the accessories that make up an orifice flowmeter and can be directly put into use

The struc

1. Throttling components: standard orifice plate, standard nozzle, long diameter nozzle, 1/4 circular orifice plate, double orifice plate, eccentric orifice plate, circular orifice plate, conical inlet orifice plate, etc.

2. Pressure tapping device head: Bianqin Hu ring chamber, pressure tapping flange, clamping ring, pressure guiding pipe, etc.

3、 Connecting flanges (national standards, various standards, and flanges from other design departments) and fasteners.

4. Measuring tube.

3. Plug in online density meter

4. How many types of orifice flow meters are there?

There is certainly not only one type of orifice plate flow meter, but it can be roughly divided into four types: eccentric orifice plate, internal orifice plate, standard orifice plate, and circular orifice plate. These flow meters belong to the Yingxian differential pressure flow meter, which is used to measure steam, flue gas and other working conditions..

5. Working Principle of Orifice Flow Meter

Orifice flow meter structure

Orifice flow meter is widely used in various fields of the national economy such as coal, chemical, transportation, construction, textile, food, medicine, agriculture, environmental protection and peoples daily life. It is an important tool for developing industrial and agricultural production, saving energy, improving product quality, enhancing economic efficiency and management level, and occupies an important position in the national economy.

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