What points should be paid attention to in the selection of metal tube float flow meter

Abstract: What information should be paid attention to in the selection of metal tube rotameter flowmeters is provided by excellent flowmeter and flowmeter manufacturers and quotation manufacturers. The metal tube rotameter produced by the company is a variable area flow measuring instrument commonly used in industrial automation process control. Generally used in industry and laboratories. The product has the characteristics of small size, large detection range and convenient use. Suitable for measuring pass. For more flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following are the details of the articles that should be paid attention to in the selection of metal tube float flowmeters. The metal tube rotameter produced by the company is a variable area flow measuring instrument commonly used in industrial automation process control. Generally used in industry and laboratories. The product has the characteristics of small size, large detection range and convenient use. Suitable for measuring through pipe diameter D<The small flow of 150mm can also measure the flow of corrosive media. When in use, the flowmeter must be installed on a vertical pipe section, and the fluid medium passes through the rotor flowmeter from bottom to top. It can be used to measure the flow of liquid, gas and steam, especially suitable for medium flow measurement with low flow rate and small flow. There are often customers who need to buy a metal tube rotameter, but the relevant parameters are not clear, resulting in an inaccurate quotation from our manufacturer. The correct selection of the metal tube rotameter and additional structures is very important for the stable operation of the system and the measurement accuracy. Today we will tell you: the selection of metal tube rotameter should pay attention to the following points: 1. For the selection of remote transmission type metal tube rotameter: It is necessary to choose a flowmeter suitable for the explosion-proof type requirements of the place of use; Pay attention to the tightening of the shell and the sealing of the wiring port after the instrument is powered on, which has reached the requirements of explosion-proof, protection and corrosion-proof. 2. For places where the temperature of the measured medium is too high (> 120°C) or too low: usually take heat preservation or heat insulation measures for the sensor part of the flowmeter, in order to ensure the normal operation of the signal converter------indicator the ambient temperature, the high temperature indicator should be selected. 3. For some measured mediums that need to be insulated or cooled, jacket-type flowmeters should be selected: the heat tracing or cooling interfaces of standard metal tube rotameters are connected by DIN2501 DN15 PN1.6 flanges. If other flanges or Threaded connection, please specify when ordering. 4. For the unstable pressure of the medium at the inlet of the flowmeter, especially for gas measurement, in order to ensure the accuracy and service life, a damping structure should be selected. 5. The pressure level required for the medium is relatively high. When the pressure level exceeds the standard pressure level: please choose the high-pressure type structure when selecting the type. The high-pressure type adopts HG20595-97 RF neck butt welding steel pipe flange. If other standards are used, please specify when ordering. 6. When installing the flowmeter, ensure that the verticality of the measuring tube is better than 5%, and a bypass should be installed to facilitate maintenance and cleaning without affecting production. 7. The location where the flowmeter is installed should ensure that the inlet has≥5DN straight pipe section, the outlet is not≤250mm straight pipe section; if the medium contains ferromagnetic substances, a magnetic filter should be installed in front of the flow meter. 8. The control valve in the measurement and control system should be installed downstream of the flowmeter. When used for gas measurement, ensure that the working pressure is not less than 5 times the pressure loss of the flowmeter, so that the flowmeter can work stably. 9. Before installing the metal tube rotameter, the welding slag in the pipeline should be purged; when installing, take out the stop element in the flowmeter; when using it after installation, slowly open the control valve to avoid impact damage to the flowmeter. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'What points should be paid attention to in the selection of metal tube float flow meter'

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