Application scope and installation precautions of orifice flow meter

Abstract: The application scope and installation precautions of the orifice flow meter are provided by the excellent flow meter and flow meter manufacturers and quotation manufacturers. The orifice flowmeters produced by Weinan and Shunda manufacturers are widely used in process control and measurement in the fields of petroleum, chemical industry, metallurgy, electric power, heating and water supply. The throttling device, also known as the differential pressure flowmeter, is composed of a primary detection part (throttled part) and a secondary device (difference. More flowmeter manufacturers select models and price quotations. You are welcome to inquire. The following is the orifice flow measurement The application scope of the meter and the details of the installation precautions article. The orifice flowmeter produced by the manufacturer is widely used in process control and measurement in the fields of petroleum, chemical industry, metallurgy, electric power, heating, water supply, etc. The throttling device is also called differential pressure flow The meter is composed of a primary detection part (throttling part) and a secondary device (differential pressure transmitter and flow indicator), which is widely used in the flow measurement of gas, steam and liquid. It has simple structure, convenient maintenance and stable performance. The following technologies introduce the requirements for the pipeline when the orifice plate flowmeter is installed: 1. A section of measuring pipe should be installed during installation, and at least the first 10DN and rear 5DN straight pipe sections should be maintained to improve the measurement accuracy. 2. The pressure piping The inner diameter is related to the length of the pipeline and the degree of contamination of the medium, usually a pipe with an inner diameter of 8-12mm is used within 45 meters. 3. If a valve needs to be installed before and after the orifice flowmeter, it is best to choose a gate valve and fully open it during operation; The regulating valve should be in the pipeline after 5DN downstream. 4. The pressure-inducing pipeline should be supported by a firm bracket, and the two pressure-taking pipelines should be as close to each other as possible and away from the heat source or vibration source. When measuring the flow of water vapor , should be wrapped with thermal insulation materials, and if necessary (such as the temperature below 0 ℃), add a heating pipe to prevent freezing. When measuring the dirty flow, an isolator or a settler should be attached. 5. The pressure piping must always maintain a single-phase Fluid state. When the measured fluid is gas, all the pressure piping (including the pressure chamber of the differential pressure gauge) is gas phase; when the measured fluid is liquid, all the pressure piping is liquid, and there must be no air bubbles. For this reason, a drain valve should be installed at the lowest point of the pressure-inducing pipeline or an exhaust valve should be installed at the highest point, and special attention should be paid when the differential pressure transmitter is newly installed or repaired. 6. When measuring the liquid flow, the horizontal section of the pressure-inducing pipe should be In the same horizontal plane. If the throttling piece is installed on the vertical pipeline, the short pressure pipes are separated by a certain distance (vertical direction), which will affect the zero point of the differential pressure transmitter and should be passed through“Zero migration”to correct. Flowmeter manufacturers focus on high-quality flowmeters, with national advanced R&D, production, and calibration technologies, and are committed to providing innovative, reliable, cost-effective products and solutions to the world. Because it is professional, it is trustworthy, and it is successful because of your trust. We are the high-quality flowmeter experts around you, listening, supporting and serving you anytime, anywhere. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Application Scope and Installation Precautions of Orifice Flow Meter'

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