What aspects should be paid attention to when installing a turbine flow meter

Abstract: Information on what aspects should be paid attention to when installing a turbine flow meter is provided by excellent flow meter and flow meter manufacturers. Requirements for explosion-proof products: For the safe and normal use of the instrument, it is necessary to check whether the use environment of the explosion-proof flowmeter is in line with the user's explosion-proof requirements, and during the installation and use process, the national requirements for the use of explosion-proof products should be strictly observed, and the user shall not. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following are the details of the articles that need to be paid attention to when installing turbine flowmeters. Requirements for explosion-proof products: For the safe and normal use of the instrument, it is necessary to review whether the use environment of the explosion-proof flowmeter is in line with the user's explosion-proof requirements, and during the installation and use process, the national requirements for the use of explosion-proof products should be strictly observed, and users should not change it by themselves The connection method of the explosion-proof system must not open the instrument at will. The selection is within the specified flow range to prevent overspeed operation to ensure ideal accuracy and normal service life. Before installing the flowmeter, the debris in the pipeline should be cleaned: debris, welding slag, stones, dust, etc. It is recommended to install a filter with a 5 micron mesh upstream to block droplets and sand particles. When the flowmeter is put into operation, the front valve should be opened slowly first, and then the rear valve should be opened to prevent damage to the turbine due to instantaneous airflow impact. Lubricating oil should be operated according to the notice board, and the number of refueling depends on the cleanliness of the temperament, usually 2-3 times a year. Turbine overspeed due to pressure testing, purging of piping or exhaust, and turbine running in reverse flow can damage the flowmeter. When the flowmeter is running, it is not allowed to open the front and rear covers at will, and change the relevant internal parameters, otherwise it will affect the normal operation of the flowmeter. Install the gasket carefully, making sure that no protrusions enter the pipe to prevent interference with normal flow measurement. When the flowmeter is calibrated, the pressure should be collected at the pressure-taking port of the flowmeter. Requirements for straight pipe sections: The flowmeter must be installed horizontally on the pipeline (the inclination of the pipeline is within 5), the axis of the flowmeter should be concentric with the axis of the pipeline during installation, and the flow direction should be consistent. The length of the upstream pipeline of the flowmeter should have an equal diameter straight pipe section of not less than 2D. If the installation site is allowed, it is recommended that the upstream straight pipe section is 20D and the downstream is 5D. Requirements for piping: The inner diameter of the upstream and downstream piping at the installation point of the flowmeter is the same as the inner diameter of the flowmeter. Requirements for the bypass pipe: In order to ensure that the normal use of the medium is not affected during the maintenance of the flowmeter, a cut-off valve (stop valve) should be installed on the front and rear pipelines of the flowmeter, and a bypass pipe should be set at the same time. The flow control valve should be installed downstream of the flowmeter. When the flowmeter is used, the shut-off valve installed upstream must be fully opened to avoid unstable flow of the fluid in the upstream part. Requirements for the external environment: The 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. Requirements for impurities contained in the medium: In order to ensure the service life of the flowmeter, a filter should be installed before the straight pipe section of the flowmeter. Installation site: The flowmeter should be installed in a place that is easy to maintain and has no strong electromagnetic interference and heat radiation. Requirements for installation and welding: The user should add a pair of standard flanges to be welded on the front and rear pipes. Welding with flow meter is not allowed! Before installing the flowmeter, the welding slag and other dirt in the pipeline should be strictly removed. To ensure that the flowmeter is not damaged during use. When installing the flowmeter, the gasket between the flanges must not be recessed into the pipeline. Requirements for the grounding of the flowmeter: the flowmeter should be grounded reliably and cannot be shared with the ground wire of the strong current system. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'What should be paid attention to when installing a turbine flow meter'

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