Installation and structure of oval gear flow meter

Abstract: The installation and structure information of the oval gear flow meter is provided by the excellent flow meter and flow meter manufacturers. 1. The pipeline should be thoroughly cleaned before installation, and a filter should be installed in front of the flowmeter to prevent debris from entering the flowmeter. When the liquid to be tested contains gas, an air separator should be installed. 2. It should be noted that the oval gear shaft of the flowmeter must be installed in a horizontal position, that is, the table. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following are the details of the installation and structure of the oval gear flowmeter. 1. The pipeline should be thoroughly cleaned before installation, and a filter should be installed in front of the flowmeter to prevent debris from entering the flowmeter. When the liquid to be tested contains gas, an air separator should be installed. 2. It should be noted that the oval gear shaft of the flowmeter must be installed in a horizontal position, that is, the dial is perpendicular to the ground plane. To adjust the flow and start, the closed valve should be installed at the inlet and outlet ends of the flowmeter respectively. 3. The direction of the arrow on the flowmeter housing should be consistent with the liquid flow direction of the installed pipeline. 4. The pipeline of continuous process and the horizontal pipeline where the flowmeter is installed should be equipped with a bypass valve for regular cleaning and maintenance. On a vertical pipeline, the flowmeter should be installed in the bypass pipeline to prevent debris from falling into the meter. 5. Under the condition of correct installation of the flowmeter, in order to facilitate reading, the counter can be rotated 180o or 90o as required. Installation requirements are shown in Figure 3. II. Precautions for use: 1. It is strictly forbidden to test the flowmeter with water. 2. When starting or stopping, the opening and closing valve should be slow to prevent sudden shock and reverse flow should be prevented. 3. When the flowmeter is being repaired, the back cover should not be disassembled, so as to avoid accuracy changes during reassembly, which will affect the accuracy. 10. Error calculation and adjustment (1) The basic error of the flowmeter is calculated by the following formula from the measured values ​​of each verification flow point: (volume method) E=Vm-V/V×100% E-flow meter error (generally refers to cumulative error) takes two significant figures. Vm－measured value of the flowmeter (that is, the indicated value) V－after the correction, the measured value of the flowmeter standard device (that is, the actual value) is calculated by the basic error formula. When Vm>V, the basic error of the flowmeter is“+”value, indicating that the flowmeter is going faster. When Vm

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