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What are the functions of an orifice flowmeter?
2. 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.
3... Can orifice flow meters be split, and what are
Orifice flow meters can be made in a modular form, but currently the most commonly used ones are integrated orifice flow meters, mainly used for measuring the flow rate of liquids and gases. Orifice flow meters have the advantages of high measurement accuracy and good stability.
4. What is the principle of integrated standard orifice plate?
The integrated orifice flowmeter is a high range ratio differential pressure flow device composed of a standard orifice plate and a multi parameter differential pressure transmitter (or differential pressure transmitter, temperature transmitter, and pressure transmitter). It can measure the flow of gas, steam, liquid, and natural gas, and is widely used in process control and measurement in the fields of petroleum, chemical, metallurgy, power, heating, water supply, etc. Principle of integrated orifice flowmeter: When the fluid filled in the pipeline flows through the throttling device inside the pipeline, the flow beam will form a local contraction at the throttling element of the throttling device, thereby increasing the flow velocity and reducing the static pressure. As a result, a pressure drop, or pressure difference, is generated before and after the throttling element. The larger the flow rate of the medium, the greater the pressure difference generated before and after the throttling element. Therefore, orifice flowmeter can measure the size of fluid flow by measuring the pressure difference. This measurement method is based on the laws of energy conservation and flow continuity. The Paishu Xin intelligent throttling device (flowmeter) is a new generation flowmeter that integrates flow, te
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