Precautions for float flow meter lined with PTFE metal tube

Abstract: The information on the matters needing attention for the float flow meter lined with PTFE metal tube is provided by the excellent flow meter and flow meter manufacturers and quotation manufacturers. In the initial installation, the magnetism around the lined tetrafluoro metal tube float (rotor) flowmeter and the stability of the fluid should be fully considered, and its characteristics should also be fully considered during use. Therefore, we mechanically install the metal tube rotor flow rate. The first time after counting. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the article details of the precautions for the PTFE metal tube float flowmeter. In the initial installation, the magnetism around the lined tetrafluoro metal tube float (rotor) flowmeter and the stability of the fluid should be fully considered, and its characteristics should also be fully considered during use. Therefore, we mechanically install the metal tube rotor flow rate. When using the meter for the first time, pay attention to the following points: 1. When using the tetrafluoro metal tube rotameter for the first time, after welding the butt flange between the pipeline and the metal tube rotameter, apply gas to The inside of the pipeline is purged to remove ferrous waste and other impurities in the pipeline, so as to prevent the float of the metal tube rotameter from being stuck by some impurities or ferrous impurities to affect the magnetic coupling of the metal tube rotameter during initial use. 2. When measuring liquids, when opening the front and rear valves of the metal tube rotameter, in order to avoid the sudden opening of the valve to form an instantaneous water head impact and damage the metal tube rotameter, we require that the valve should be opened slowly when opening the valve. . 3. When measuring the flow of gas medium, we require that the system pipeline should not be pressurized by means of pressurization measures before opening the valve. Otherwise, if the valve is suddenly opened, the float of the metal tube rotor flowmeter will instantly rush to the upper position of the flowmeter. It may damage the metal tube rotameter, please remember to use it! If the above situation of the metal rotor flowmeter cannot be eliminated by the user, please consult the manufacturer of the metal tube rotameter. Rotameter lined with tetrafluoro metal tube is a commonly used flow measuring instrument in the industry. It can measure gas and liquid. It adopts an all-metal structure. The measuring tube is made of 304 stainless steel or 316L stainless steel, and the interior is lined with PTFE. Strong anti-corrosion performance. The metal tube rotameter has the characteristics of small size, large measuring range and convenient use, and is especially suitable for medium flow measurement with low speed and small flow. It is precisely because of the advantages and practicability of metal tube rotameters that they are more and more widely used in the industry. I will not talk about the selection. I believe everyone can buy the most suitable flowmeter model. Today, I mainly talk about the installation. Pay attention to the installation specifications and the installation matters of the rotor flowmeter lined with PTFE metal tube: (1) The flowmeter must be installed vertically, the fluid measured by the flowmeter passes through the flowmeter from bottom to top, and the inlet and outlet are guaranteed to be 5 times the diameter of the instrument For the newly installed pipeline, the pipeline should be flushed before the flowmeter is installed. (2) In order to facilitate the maintenance and replacement of the flowmeter, the bypass pipeline should be connected when the instrument is installed. (3) A valve should be installed upstream of the flow meter, and a flow regulating valve should be installed downstream of 5 to 10 times the diameter of the meter. For small-diameter instruments, a filter should be installed upstream. If the measured medium contains magnetic substances, a magnetic filter should be installed in front of the flowmeter. (4) When the measured medium is dirty, the tube and float should be cleaned in time. (5) The measurement accuracy of the metal rotor flowmeter is generally 2.5 or 1.5. When the measurement accuracy is required to be high, the metal rotor flowmeter should not be selected. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Precautions for Float Flow Meters Lined with PTFE Metal Tubes'

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