Inspection and precautions when installing and using differential pressure flow meter

Abstract: The inspection and precautions for the installation and use of differential pressure flowmeters are provided by excellent flowmeter and flowmeter manufacturers. Weinan and Shunda manufacturers technical explanation Differential pressure flowmeter consists of a primary device (detection piece) and a secondary device (differential pressure converter and flow display instrument). Differential pressure flowmeter A series of flowmeters with a particularly wide range of applications and a long history, in closed. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following are the details of the inspection and precautions when installing and using differential pressure flowmeters. The manufacturer's technical explanation The differential pressure flowmeter is composed of a primary device (detection piece) and a secondary device (differential pressure converter and flow display instrument). Differential pressure flowmeter is a serial flowmeter with a particularly wide range of applications and a long history. It is used in various objects in the flow measurement of closed pipelines. The following is a detailed introduction to the inspection and precautions of the differential pressure flowmeter in the installation. 1. Check the differential pressure flowmeter: 1. Check the installation of the flowmeter: After the installation of the differential pressure flowmeter is completed, it must be carefully checked, and the welding is required to be firm, the direction is correct, and there is no leakage in the pressure test. 2. Instrument adjustment: carefully read the manual of the intelligent flow totalizer. According to the calculation book attached to the Verabar flowmeter, set the parameters of the intelligent flow totalizer correctly to ensure that the totalizer can calculate and display the flow rate correctly. If you directly connect to the computer, you need to set the input data format and the corresponding compensation method inside the computer. 3. The wiring of the instrument is correct: the flowmeter, the differential pressure transmitter and the flow totalizer together form the measurement system. Please check it repeatedly and make sure that it is correct before it can be put into operation. 4. System preheating: After the preparation for operation is completed, the measured medium is filled with the process pipeline, and the differential pressure flowmeter is temporarily closed. At this time, the balance valve of the three-valve group should be opened, and the high-pressure valve and the low-pressure valve should be closed. state. Power on the meter and warm up for 15 minutes. 5. System operation: After the preheating is completed, open the high-pressure valve and low-pressure valve of the three-valve group, charge the measured medium into the differential pressure transmitter, open the drain valve behind the differential pressure transmitter, and quickly discharge the dirty liquid or gas. Close the blowdown valve, and then close the balance valve of the three-valve group, the transmitter will enter the measurement state, and the flow totalizer will also enter the working state to display the medium flow in the pipeline. 2. Matters needing attention: The difference between the differential pressure flowmeter and the vortex flowmeter is that the following points should be paid attention to during the installation process: The differential pressure flowmeter can be installed on any plane (horizontal, vertical, inclined) during the installation process. The influence of the measuring medium on the impulse piping needs to be considered. 1. Measure the flow of liquid For vertical pipelines, the flowmeter can be installed on the horizontal plane of the pipeline, at a position of 360 degrees along the pipeline. For horizontal pipes, the impulse fitting of the flowmeter must be located below the centerline of the pipe. 2. Measuring the flow of gas For vertical pipelines, the flowmeter can be installed on the horizontal plane of the pipeline, anywhere along the pipeline 360 ​​degrees. For horizontal pipes, the impulse fitting of the flowmeter must be located below the centerline of the pipe. 3. Measuring the flow rate of steam For the horizontal plane around the vertical pipeline, it should be noted that the two positive and negative pressure-inducing joints should be on the same horizontal plane. In the differential pressure flowmeter, the straight pipe length required by the Verabar flowmeter is relatively short, which is an advantage of this type of flowmeter. Flowmeter manufacturers“People-oriented, quality-oriented, customer-oriented, common development”The concept of providing customers with advanced products and high-quality, all-round after-sales service. Cohesion produces strength; unity produces hope. We look forward to working with you to create a brilliant future for the instrument industry with our flexible marketing mechanism, sophisticated equipment, stable product performance, and high-quality technical services! The above is the entire content of this article. You are welcome to inquire about our flowmeter manufacturer. selection, quotation, etc. 'Inspection and Precautions for the Installation and Use of Differential Pressure Flow Meters'
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