Installation and application of LZB glass rotor flow meter

Abstract: The installation and application information of LZB glass rotor flow meter is provided by the excellent flow meter and flow meter manufacturers and quotation manufacturers. Advantages of LZB glass rotor flowmeter: LZB glass rotor flowmeter: It is an instantaneous flow measuring instrument. Because of its convenient use and installation, simple structure, direct reading and low price, it is widely used in various sectors of industry and agriculture, chemical industry, pharmacy, petroleum, etc. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following are the details of the installation and application of LZB glass rotor flowmeters. LZB glass rotor flowmeter is the advantage: LZB glass rotor flowmeter: It is an instantaneous flow measuring instrument. Because of its advantages of convenient operation and installation, simple structure, direct reading and low price, it is the most widely used flow measuring instrument in industrial flow measurement in various departments of industry and agriculture, chemical industry, pharmacy, petroleum, light industry and scientific research. The glass rotor flowmeter can be roughly divided into: ordinary type, ribbed type, corrosion-resistant type, thermal insulation type, alarm type and high-pressure resistant type according to its use and compliance field. The diameter is from 2 mm to 100 mm, and the measurable flow field is: liquid 0.4 ml/min to 40 cubic meters per hour, and gas 6 ml/min to 1000 cubic meters per hour. Selection parameters of glass rotor flowmeter: 1. object of measurement. That is to measure the type of medium, pressure, chemical properties. Such as liquid medium, gas medium, for the corrosive medium, the corrosion-resistant flowmeter should be selected. 2. The performance of the flowmeter itself. After the above conditions are determined, generally speaking, if the price does not change greatly, the needle valve placed on the upper part of the flowmeter can be preferred; it has a larger flow hole, which directly displays the flow scale; the structure is simple; the external size is small, etc. advantage. If it is to measure a small flow range, the ball float type can be used, because it has stable performance during measurement, is not easy to accumulate dust, has high precision and good interchangeability. 3. Choose according to price. Generally speaking, the higher the precision, the higher the price. The accuracy level of the instrument should be selected according to the measurement purpose. If it is only necessary to control the throughput of the measuring medium, and after adjustment by the trial operation, the throughput must always be stabilized in the future, then the accuracy is secondary. 4. When the fluid flows through the conical tube from bottom to top, the lift S generated by the kinetic energy of the fluid on the float and the buoyancy A of the fluid make the float rise. When the sum of the lift S and the buoyancy A is equal to the gravity G of the float itself, the float is in equilibrium and is stable at a certain level. At a height position, the scale on the tapered tube indicates the flow rate of the fluid. Correct installation steps of the glass rotor flowmeter: Before installing the glass rotor flowmeter, 1. Check whether its technical parameters such as measuring range, accuracy level, rated working pressure, temperature and other parameters meet the requirements for use. 2. When preparing to install, take out the top lining of the flowmeter that plays a role in transportation protection. And check whether the cone tube is damaged, whether the float can move up and down freely, and then install it after confirming that it is normal. 3. The newly installed pipeline should be rinsed clean before the glass rotor flowmeter is installed. 4. Make the minimum graduation value of the rotameter at the bottom, and install it vertically on the pipeline without vibration. The angle between the center line of the rotameter and the vertical line should not exceed 5 degrees. 5. Due to the heavy weight of the large-diameter flowmeter, in order to avoid the bending of the pipeline, measures such as reinforcement and support can be taken if necessary. It is also necessary to avoid excessive tension, pressure, torsion and other forces on the rotor flowmeter during installation. In order to avoid damage to the cone tube due to excessive external force. 6. According to different working conditions in use, if necessary, a filter should be installed upstream of the rotameter to prevent impurities from contaminating and blocking the rotameter. If the fluid is unstable and has pulsating flow, in order to ensure good measurement of the rotameter, a buffer can be installed to eliminate the pulsating flow. 7. After the rotameter is installed and ready to be put into use, the control valve on the upstream pipeline of the flowmeter should be slowly unscrewed, and then the flow rate should be adjusted with the regulating valve, so as to avoid the sudden rise of the float and damage to the cone pipe. In order to ensure the measurement accuracy of the rotameter in use, it is recommended that the common flow rate of the fluid to be measured should be more than 60% of the upper limit of the rotameter's graduated flow rate. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Installation and Application of LZB Glass Rotameter Meter'

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