Requirements for accessories when installing and using turbine flow meter

Abstract: The information on the requirements for accessories when the turbine flowmeter is installed and used is provided by the excellent flowmeter and flowmeter manufacturers and quotation manufacturers. The use of intelligent liquid turbine flowmeter and the requirements for the installation environment: The ideal measurement environment is a strong guarantee for the normal operation of the flowmeter, but in many cases, the complex environment of the use site will also affect the accurate measurement of the turbine flowmeter. The flowmeter follows the measurement principle. For more flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following is the details of the requirements for accessories when installing and using turbine flowmeters. The use of intelligent liquid turbine flowmeter and the requirements for the installation environment: the ideal measurement environment is a strong guarantee for the normal operation of the flowmeter, but in many cases, the complex environment of the use site will also affect the accurate measurement of the turbine flowmeter. The flowmeter is measured according to the measurement principle. Differently divided into velocity type flowmeters and positive displacement flowmeters, the measurement methods of different principles have very different installation requirements. The velocity is that the flowmeter generally requires a long enough straight pipe section to achieve the purpose of full pipe and stable flow rate. However, general positive displacement flowmeters, such as oval gear flowmeters, do not have too many requirements for straight pipe sections. The instrument instruction manual does not describe the instrument in detail, and the installation location and flow direction, maintenance space, installation direction and other requirements and their effects should be considered. 1. Safety Safety is the first factor to be considered in the selection of flowmeters, such as the requirements of explosion-proof performance, used in explosive hazardous environments, and selected according to atmosphere adaptability, classification and grouping of explosive mixtures, types of protective electrical equipment, and other safety rules or standards. meter. 2. Compressive strength: It is required that the casing of the turbine flowmeter should be able to withstand the compressive strength test for 5 minutes under the test pressure of 1.5 times the maximum working pressure without damage or air leakage. 3. Ambient temperature The electronic components of the turbine flowmeter instrument and the flow detection part of some instruments will be affected by changes in ambient temperature. 4. Ambient humidity High humidity will accelerate atmospheric corrosion and electrolytic corrosion and reduce electrical insulation, and low humidity will easily induce static electricity. Rapid changes in the ambient temperature or medium temperature of the turbine flowmeter cause humidity problems. The user should anticipate the range of possible variations and verify that they will not cause problems in the operation of the selected instrument. 5. Electrical interference Power cables, motors and electrical switches all generate electromagnetic interference and become the source of errors. Therefore, care should be taken to prevent or reasonably effectively ground or shield interference sources. The requirements for each accessory before installation are: 1. Requirements for explosion-proof products: In order to ensure the safe and normal use of the instrument, it should be checked whether the use environment of the explosion-proof flowmeter is in line with the user's explosion-proof requirements, and it should be strictly observed during installation and use. According to the national requirements for the use of explosion-proof products, the user shall not change the connection method of the explosion-proof system by himself, and shall not open the instrument at will. 2. Requirements for straight pipe sections: The turbine flowmeter must be installed horizontally on the pipeline (the inclination of the pipeline is within 5). When installing, the axis of the flowmeter should be concentric with the axis of the pipeline, and the flow direction should be consistent. 3. Requirements for piping: The inner diameter of the upstream and downstream piping at the installation point of the turbine flowmeter is the same as the inner diameter of the flowmeter. 4. Requirements for the bypass pipe: In order to ensure that the turbine flowmeter does not affect the normal use of the medium during maintenance, a cut-off valve (stop valve) should be installed on the front and rear pipes of the flowmeter, and a bypass pipe should be installed at the same time. 5. Requirements for the external environment: The turbine flowmeter is best installed indoors. When it must be installed outdoors, sun protection, rain protection and lightning protection measures must be adopted to avoid affecting the service life. 6. Requirements for impurities in the medium: In order to ensure the service life of the flowmeter, a filter should be installed in front of the straight pipe section of the flowmeter. 7. Requirements for installation and welding: The user shall also configure a pair of standard flanges to be welded on the front and rear pipes. Note: When installing the turbine flowmeter, the gasket between the flanges must not be recessed into the pipe. After paying attention to the selection of the above accessories, the liquid turbine flowmeter can be installed more reasonably. Hope the above introduction can help you better choose and use the turbine flowmeter. The company specializes in the production of turbine flowmeters, metal tube float flowmeters, electromagnetic flowmeters, etc., and has professional calibration equipment and technical teams, which can solve and provide professional flow measurement solutions for you. If you have any questions or confusion, you are welcome to us. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Requirements for Accessories when Turbine Flow Meters are Installed and Used'

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