Installation and wiring method of gas turbine flow meter

Abstract: Information on installation and wiring methods of gas turbine flowmeters is provided by excellent flowmeter and flowmeter manufacturers and quotation manufacturers. Gas turbine flowmeter is mainly used for flow measurement of air, nitrogen, oxygen, hydrogen, biogas, natural gas, steam and other medium fluids in industrial pipelines. It is hardly affected by parameters such as fluid density, pressure, temperature, viscosity, etc. when measuring the volume flow of the working condition. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the details of the installation and wiring method of gas turbine flowmeters. Gas turbine flowmeter is mainly used for flow measurement of air, nitrogen, oxygen, hydrogen, biogas, natural gas, steam and other medium fluids in industrial pipelines. It is hardly affected by parameters such as fluid density, pressure, temperature, viscosity, etc. when measuring the volume flow of the working condition. Installation method of gas turbine flowmeter 1. Before the flowmeter is installed, the pipeline must be purged to prevent the residual iron filings from affecting the normal operation of the flowmeter. 2. Before installation, when the turbine is blown by a tiny airflow, the turbine can rotate flexibly, there is no irregular noise, the counting rotation is normal, and there is no intermittent stuck phenomenon, then the flowmeter can be installed and used. 3. When the flowmeter is installed, a sealing gasket should be added between the flange and the pipe flange. 4. A filter should be installed before the gas turbine flowmeter, and an oil filter should be installed in the case of dirty gas. It is strictly forbidden to directly connect the filter and the flowmeter. 5. Stop valves should be added before and after installation. 6. There should be no protrusions in the pipeline at the flange connection. 7. When installing the gas turbine flowmeter, it is strictly forbidden to directly weld the inlet and outlet flanges to avoid burning out the internal parts of the flowmeter. 8. The flowmeter should be installed in a place that is easy to maintain, free from strong electromagnetic field interference, mechanical vibration and thermal radiation. 9. It should not be installed in occasions where the flow is frequently interrupted and there is strong pulsating flow or pressure pulsation; 10. When the flowmeter is installed outdoors, there should be a cover on the upper part to prevent rainwater immersion and scorching sun exposure from affecting the service life of the flowmeter. 11. The flowmeter can be installed horizontally or vertically. The direction of fluid flow should be consistent with the direction marked on the shell. When installing a vertical pipeline, the flow direction must be up and down, and there should be a straight pipe section of no less than 10Dn upstream of the flowmeter. The straight pipe section behind the table is not less than 5Dn. 12. In order not to affect the normal delivery of fluid, the bypass pipeline valve must be closed during normal use. Requirements for the use of gas turbine flowmeters 1. The maximum leak detection pressure of medium and low pressure meters:≤1.0Mpa, the temperature and pressure compensation type leak detection pressure does not exceed 3 times the upper limit of the pressure sensor. The high-pressure gauge case is leak-detected at a pressure of 1.2 times the rated flow. 2. After installation, the leak detection and installation and use should comply with the following regulations: (1) First close the outlet valve and the inlet valve. (2) Slightly open the outlet valve, then slowly open the inlet valve, so that the watch starts slowly, and then slowly open the outlet valve to achieve normal operation. It is necessary to prevent sudden start and damage to the watch core. (3) When the gas is stopped, the outlet valve should be closed, and then the inlet valve should be closed, and the above regulations should be observed each time it is started. 3. After the gas turbine flowmeter is installed and used, it is not allowed to touch the fasteners such as bolts, screws and nuts at will, so as to avoid the danger of air leakage and damage. 5. The flowmeter movement (clean air) should be cleaned and maintained every six months; (dirty air) should be cleaned and maintained once a month. 6. If the movement is put into use again after being disassembled and repaired, it is necessary to carry out a sealing test according to the maximum pressure. Gas turbine flowmeter wiring method 1. Basic gas turbine flowmeter wiring: the red line is V+, the green line is the power supply V-, the yellow line is the signal line, and the metal line is the shielded line. 2. The wiring of the current output gas turbine flowmeter: the red line is V+, the green line is the power supply V- The above is the whole content of this article, you are welcome to inquire about the flowmeter selection and quotation of our manufacturer. 'Installation and Wiring Method of Gas Turbine Flow Meter'

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