Do you need an equipment filter at the front end of the gas flow meter pipeline?

During the pipeline pressure test, attention should be paid to the pressure measurement range of the pressure sensor equipped with the smart gas flowmeter to avoid damage to the pressure sensor due to overpressure. The flowmeter can be installed in vertical, horizontal or any inclined orientation according to the flow direction. When the gas flowmeter is working, it is not allowed to open the back cover to change the appearance parameters, otherwise it will affect the normal operation of the gas flowmeter. Is a device filter required at the front end of the gas flow meter pipeline? Pay attention to its lubrication and regularly charge the lubricating oil according to the method provided by the manufacturer. At the same time, if the high-speed flow of gas contains larger solid particles, it is easy to damage the turbine blades, so the turbine gas flowmeter in front of the pipeline should be equipped with a filter. Pay attention to sensitive interference factors and avoid the disturbance of external strong magnetic field. As a medium in the work of various petroleum products, errors will occur, so it is best to keep the display value medium of the calibration flowmeter consistent with the working medium to reduce the resulting errors. When using a general gas flowmeter, the temperature instability will also cause errors, so the gas flowmeter should be as consistent as possible during use. When the gas flowmeter needs to have signal remote transmission, it should be strictly followed“Electrical Performance Index”It is required to connect to an external power supply (8~24) VDC, and it is forbidden to directly connect to a 220VAC or 380VAC power supply at the signal output port. When put into work, the upper and lower valves of the gas flowmeter should be opened slowly to avoid the sudden flow of too fast and damage the spinner. The device address of the gas flowmeter should have enough space to facilitate the inspection and repair of the gas flowmeter, and should meet the environmental requirements of the flowmeter. ; Attention should be paid to the influence of equipment stress, and the upstream and downstream pipelines of the equipment flowmeter should be coaxial, otherwise shear stress will occur. The orientation of the installed flowmeter should take into account the thickness of the gasket, or install an elastic elastic joint on the downstream side. In addition, there is a difference between the pressure difference and the flow rate. The working and verification environment will bring some errors to the measurement accuracy of the flowmeter, so do a good job in these aspects for better application. The gas flowmeter has a simple structure and is easy to install and is often used to measure the flow of gas. However, when the turbine of the flowmeter rotates at high speed, there will be mechanical conflict between the bearing and the shaft, so it needs to be paid.

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