The use and maintenance of glass rotor flow meter

Abstract: The use and maintenance information of the glass rotor flowmeter is provided by the excellent flowmeter and flowmeter manufacturers and quotation manufacturers. In industrial production activities, glass rotameters are popular because of their easy portability, low cost and wide range of use. Let's introduce some key points of maintenance of glass rotameters during use. 1. Install the glass rotor flow. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the details of the use and maintenance of glass rotor flowmeters. In industrial production activities, glass rotameters are popular because of their easy portability, low cost and wide range of use. Let's introduce some key points of maintenance of glass rotameters during use. 1. Before installing the glass rotameter, be sure to clean up the welding slag and sundries in the pipeline. 2. The glass rotor flowmeter must be installed perpendicular to the ground and its inclination shall not exceed 2°. Otherwise, the measurement accuracy will be affected. 3. If the measured medium is dirty or contains magnetically conductive particles, a filter or magnetic filter should be installed upstream of the metal tube rotameter. 4. In order to ensure the measurement accuracy of the glass rotameter, a straight pipe section of no less than 10DN should be added to the inlet end of the flowmeter, and a straight pipe section of no less than 5DN should be added to the outlet end. The regulating control valve must be installed downstream of the flowmeter during measurement. . 5. The installation of the flowmeter should be able to properly support the vibration of the pipeline or reduce the axial load of the flowmeter, otherwise the support of the fixed flowmeter should be increased. 6. If the measured medium is a large pulsating flow or two-phase flow, a buffer should be installed upstream of the flowmeter to eliminate or weaken the pulsation to ensure that the flow of the medium is single-phase stable. At the same time, it is recommended that the flowmeter use a damping type. 7. When the glass rotor flowmeter is used for gas measurement, it should ensure that the working pressure in the pipeline is not less than 5 times the pressure loss of the flowmeter, so that the flowmeter can operate stably and normally. 8. Before using the electric remote transmission and the flowmeter with alarm limit switch, open the cover of the instrument and connect it correctly according to the wiring diagram. For the alarm type, loosen the screw at the limit switch, the user can set the limit alarm position according to the needs, and then tighten the screw and use it after restoration. 9. In order to facilitate the maintenance and repair of the flowmeter, the cleaning of the magnetic filter and the regular maintenance of the user's pipeline, it is recommended to use a bypass pipeline. 10. If the rotameter is turned on, because there is no pressure in the pipeline or the system has not yet reached the working pressure of the instrument for normal use, the control valve must be opened slowly until the system is normal, and the instrument can be used, otherwise it will easily cause the pointer to jump or the rotor suddenly hits. and damage. 11. According to the warning sign in the indicator of the meter, take out the blocking piece that prevents the rotor from vibrating during transportation, and use the meter after recovery. 12. When the user uses it, if the density of the fluid to be measured is different from that of water, or the parameters and working conditions of the gas to be measured are different from those specified by the manufacturer, the flow meter reading should be converted. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Use and maintenance of glass rotor flow meter'

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