Structure principle and installation guide of metal tube rotameter meter

Abstract: The structure principle and installation guide information of metal tube float flow meter are provided by excellent flow meter and flow meter manufacturers and quotation manufacturers. Structural principle of metal tube rotameter LZ series metal tube rotameter consists of two parts: sensor measuring tube and float; signal transmitter indicator; there are four kinds of liquid contact materials of sensor: stainless steel, Hastelloy, titanium, Stainless steel lined with PTFE; user. For more flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following is the structure principle and installation guide article details of the metal tube float flowmeter. Structure principle of metal tube rotameter LZ series metal tube rotameter consists of two parts: Sensor———Measuring tubes and floats; signal transmitters———Indicator; There are four kinds of liquid contact materials for the sensor: stainless steel, Hastelloy, titanium, stainless steel lined with PTFE; users can meet the needs of process pressure resistance and medium corrosion protection according to different angular liquid materials. According to different measurement requirements, users can choose different indicator combinations when selecting models to achieve different measurement requirements. The flow measurement is accomplished by the transmitter in the indicator by coupling the magnetic steel to sense the change of the float position to complete the flow indication and the remote transmission of the signal. When the measured medium flows through the measuring tube from bottom to top, when the float is balanced by gravity, buoyancy and the vertical upward thrust of the fluid velocity on the float, the float is relatively stationary at a certain position, and this position varies with the float and the cone. The ring area of ​​the tube and the fluid flow rate change, and the position of the float corresponds to the flow rate of the measured medium. How to achieve accurate measurement of metal tube rotameter For the metal tube rotameter to work normally and achieve the required measurement accuracy, pay attention to the following points:·The flowmeter must be installed vertically, the fluid flows through the flowmeter from bottom to top, and the verticality is better than 2°, the horizontal angle is better than 2 when installed horizontally°;·The metal tube rotameter should be bypassed, which is convenient for troubleshooting and does not affect production during purging;·There should be a straight pipe section with a length of more than 5 times the pipe diameter at the inlet of the flowmeter, and a straight pipe section of 250mm at the outlet.·The medium contains ferromagnetic substances, and a magnetic filter should be installed;·If the medium contains solid impurities, it should be considered to install a filter between the valve and the straight pipe section;·When used for gas measurement, it should ensure that the pipeline pressure is not less than 5 times the pressure loss of the flowmeter, so that the float can work stably;·When the temperature of the measured medium is higher than 220°C or the temperature of the fluid is too low, crystallization is likely to occur, and when heat insulation protection measures are required, the jacket type should be used for cooling or heat preservation;·In order to avoid the deformation of the flowmeter due to the pipeline, the flange of the process pipeline must be coaxial with the flange of the flowmeter and parallel to each other, and the pipeline should be properly supported to avoid pipeline vibration and reduce the axial load of the flowmeter. The valve should be installed downstream of the flowmeter:·Since the metal tube rotameter transmits signals through magnetic coupling, in order to ensure the performance of the instrument, ferromagnetic substances are not allowed to exist at least 10cm around the installation; the above is the entire content of this article, you are welcome to inquire our factory for flowmeter selection type, price, etc. 'Metal tube float flow meter structure principle and installation guide'

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