Points for attention in the installation of vortex flowmeter

Abstract: The main points of attention for the installation of vortex flowmeters are provided by excellent flowmeter and flowmeter manufacturers. The VNLUGB vortex flowmeter utilizes the stable vortex generated when the fluid flows through the obstruction, and realizes the flow measurement by measuring the vortex generation frequency II. The vortex flowmeter is composed of two parts: a vortex flow sensor and a flow display instrument, and the display instrument is universal. For more flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following are the details of the article for the installation of vortex flowmeters. The VNLUGB vortex flowmeter utilizes the stable vortex generated when the fluid flows through the obstruction, and realizes the flow measurement by measuring the vortex generation frequency II. The vortex flowmeter is composed of two parts: a vortex flow sensor and a flow display instrument. The display instrument is a general flow display instrument. The following flowmeter technology, to introduce the installation of the flowmeter attention points. 1. The steam flowmeter must be installed on the horizontal steam straight pipe. If the steam pipe is a vertical pipe, a horizontal bypass pipe should be provided. The inlet side of the flowmeter should have a straight pipe section of 10~15D (D is the inner diameter of the pipe), and the outlet side should have a straight pipe section of 5~10D. The inner diameter of the pipe must be the same as the nominal diameter of the flowmeter. 2. When the actual steam pipe diameter is inconsistent with the nominal diameter of the steam flowmeter, in addition to ensuring the length of the straight pipe section on the front and rear sides of the flowmeter, a horn pipe should be installed at the connection of the large and small pipes. 3. The steam flow direction of the steam flowmeter must be consistent with the direction of the arrow on the flowmeter body. At the same time, the indicator must be placed under the pipe during installation, and the dial plane of the indicator must be perpendicular to the ground. 4. For wet saturated steam with high water content, the flow meter should be installed downstream of the steam trap to discharge the liquid phase fluid. 5. A pressure gauge should be installed on the pressure gauge interface of the flowmeter or the straight pipe section on the inlet side of the flowmeter to adjust the pressure compensation device of the flowmeter according to the pressure value. 6. Adjust the pressure compensation device of the steam flowmeter so that the actual working pressure of the steam used is consistent with the calibration pressure of the flowmeter. When adjusting, open the rear cover of the indicator, loosen the nut, and turn the scale tube to make the pressure indication division line of the dial and the corresponding pressure indication division line of the ruler align and connect, then tighten the nut and cover it. back cover. 7. Before the steam flowmeter works, the water filling tank must be filled with damping fluid. You can unscrew the water injection port on the water injection tank and the four bolts at the drain port, pour water at the water injection port, and tighten the drain port bolts when the liquid flowing out of the drain port is confirmed to be free of yellow rust and dirt. Continue to inject water until the water injection port overflows and confirm that there is no gas in the water injection tank, then tighten the water injection port bolt. The damping fluid in the water injection tank must be filled, otherwise the measurement accuracy will be affected and the internal parts of the flowmeter will be damaged. The damping fluid is generally tap water. When the ambient temperature around the flowmeter is lower than zero or is used intermittently, the damping fluid should be anti-freezing. The anti-freezing damping fluid should be 5% glycol aqueous solution, and the damping fluid should be released when it is stopped. The measurement accuracy of the vortex flowmeter reaches 1.0 level. It is used to measure liquid, gas, steam and other low-temperature media and various corrosive media. It is widely used and has broad development prospects. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Notes on the installation of vortex flowmeter'

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