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Installation requirements for orifice flowmeter: It is necessary to ensure that the pipeline of the orifice is transparent or without any small grooves, so that the internal contour of the orifice is much sharper, sharp gaps or small grooves on the inclined surface form grooves. With the continuous development of orifice flowmeter technology, it has become a throttling device. However, the correct installation of orifice flow meters is very important.

If precise measurement is required, an orifice flowmeter is required. If it is oilfield exploitation, a differential pressure transmitter can be used; Why should there be a gas pipeline size.

There is a conical throttling orifice plate upstream of the orifice flowmeter, and the sharpness of the orifice plate should gradually decrease. Therefore, downstream of the orifice flowmeter, there must be a certain orifice plate for accounting to ensure that the usage of the orifice flowmeter meets national standards.

Rectifiers should be installed upstream of the orifice flow meter as much as possible; There is a throttling device under the orifice flow meter, but the throttling surface of the straight pipe section should be flat and ensure that the orifice ring shape of the orifice flow meter meets the design requirements, so that the differential pressure transmitter is flushed out by liquid and led out from the rectification device along the orifice edge, and the pressure measurement position should be smaller than the inner diameter of the throttling device.

Orifice flowmeter is a detection element that converts flow signals (such as temperature, pressure, liquid level, compression factor, etc.) into standard electrical signals, and the detection element that converts the detected physical quantity signals into standard electrical signals will also be called a throttling element.

The throttling device converts the pressure (flow rate, water depth, water temperature, etc.) of the fluid into a flow signal (usually the pressure, temperature, density, and temperature of the fluid in our pipeline) and transmits it to the secondary instrument through a signal cable. The secondary instrument calculates the fluid flow rate based on the pressure signal of the secondary instrument.

The explosion of fluids can affect the accuracy of the flow meter whenever measured.

The advantages of flow meters require us to pay attention to five aspects of their application to ensure accurate measurement and reasonable maintenance.

Adhere to the selection of flowmeter structure, and the more precise the requirements, the better the application value.

Reasonable use of flow meters is a very important aspect. On the one hand, attention should be paid to the use of flow meters and accurate measurement of pipeline conditions; On the other hand, attention should be paid to the maintenance of the flow meter, such as the investment in the working process.

Flowmeters generally require sufficient front and rear straight pipe sections, and the required leading fluid flow meters should not be less than throttling devices and waist wheel flow meters. It is actually a throttling device that can evenly set the rectifier section of the flow meter on the process pipeline.

To reduce pressure loss, maintenance time, and other prerequisites, flow meters are usually used in industrial and agricultural production. However, in order to achieve excellent performance of the entire flow meter, it must have a strong straight pipe section.

Before the throttling device, a straight pipe section should be installed to keep the fluid in a full state. When the fluid is at a half Pu volume flow rate, its flow rate is basically consistent with the flow direction of the fluid.