Calibration and Flow Control of Gas Orifice Flow Meter

Abstract: The calibration and flow control information of gas orifice flowmeters are provided by excellent flowmeter and flowmeter manufacturers and quotation manufacturers. To calibrate the gas orifice flowmeter online with a mobile calibration vehicle 1 Make sure that the electric forced sealing ball valve between the two calibration ports is closed. 2 Open the small ball valve on the flange blank plate of the calibration port to ensure that there is no pressure inside the flange blank plate. Then remove the flange blanking plate. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the calibration and flow control article details of gas orifice flowmeters. Use a mobile calibration car to calibrate the gas orifice flowmeter online 1 Make sure that the electric forced sealing ball valve between the two calibration ports is closed. 2 Open the small ball valve on the flange blank plate of the calibration port to ensure that there is no pressure inside the flange blank plate. Then remove the flange blanking plate. 3 Connect the mobile calibration cart to the calibration port. 4 Follow“1 Use of each road”In steps 1.2, 1.3, 1.4, pressurize the main circuit. 5. Close the electric forced-sealing ball valve at the outlet of the working path, slowly open the forced-sealing ball valve of the comparison pipeline, and slowly open the two calibrated forced-sealing ball valves on the main road. It is best to do all four at the same time. 6 At this time, the gas flows through the two gas orifice flow meters in the sled and the mobile calibration cart in turn. 7 After completing the online calibration, close the two Orbit ball valves at the calibration port, slowly open the forced sealing ball valve of the comparison pipeline, and slowly open the electric forced sealing ball valve at the outlet of the working path. It is best to do all four at the same time. 8 Reinstall the flange blank, don't forget to close the small ball valve on the flange blank. 9 At this time, the working road is put back into work. There are hand valves on the front and back of the standard orifice flowmeter. If you want to reduce the flow of the flowmeter, the flow should be reduced from 80 to 40. If you want to accurately control the flow, you should close the front hand valve of the flowmeter or close the back hand valve of the flowmeter. Is there a difference? It is two different things to make the number on the flow meter smaller than the actual flow rate. You have to say that when the actual flow rate remains unchanged, the display value of the flow meter decreases. You can modify the parameters such as the coefficient value of the flow meter to change it, but to reduce the actual flow rate, of course, it is necessary to Close the valve in front of the flowmeter a little. The adjustment of the front and rear valves is mainly based on the situation of the straight pipe section, not necessarily the rear valve adjustment. Make sure that there is a straight pipe of the same diameter above 15D in the front and 10D in the back. Then the valve after opening is as follows: Well, that's what makes sense. Of course, it is true that the flow measured by the flowmeter is controlled by the valve, but it is not controlled by the shut-off valve before and after the flowmeter, which easily disturbs the flow field of the flowmeter and affects the accuracy of the measurement. It is controlled by the regulating valve at the outlet of the pump or container. These valves are usually arranged far away from the flow meter so that they will not affect each other. If you have other questions you need to consult, you can contact our company directly, and our company will have professionals to answer for you. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Calibration and Flow Control of Gas Orifice Flow Meter'

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