Gas turbine meter scale selection1

Abstract: the selection of gas turbine meter scale information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Gas turbine flowmeter selection to consider from the following several aspects: 1. The density of the gas, the gas turbine flowmeter, the influence of fluid physical properties are mainly gas density. Its effect on the meter coefficient is larger, and mainly in the low flow area. If the gas density change. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the article details in the selection of gas turbine meter scale. Gas turbine flowmeter selection to consider from the following several aspects: 1. The density of the gas, the gas turbine flowmeter, the influence of fluid physical properties are mainly gas density. Its effect on the meter coefficient is larger, and mainly in the low flow area. If gas density change frequently, to meter the flow coefficient of correction measures. 2. Flow range: the choice of turbine flowmeter flow range have large effects on the accuracy and use fixed number of year, and each diameter of flowmeter has the certain measuring range, flow meter caliber choice is determined by the flow range. For instrument operation time is not more than eight hours a day in the intermittent work situation, choose the actual maximum flow when using 1. Three times as the maximum flow range; For daily instrument the actual running time no less than eight hours of continuous work situation, choose the actual maximum flow when using 1. Four times as flow range limit. Instrument limit traffic to actually use the minimum flow rate of 0. Eight times as appropriate. 3. The pressure loss: as far as possible choose small pressure loss of turbine flowmeter. 4. Accuracy level: not the higher the better, according to the actual situation to choose the right is the most important! In general, selects the turbine flowmeter is mainly focuses on its high accuracy. But the higher the accuracy of flowmeter, more sensitive to the change of site conditions of use, therefore, the selection of precision instrument carefully, should from the economic point of view. Trade settlement instrument, for large diameter gas pipeline on the instrument investment is more economical. And on the occasion of medium accuracy with low throughput level. 5. Structure: 1) Internal structure appropriate chooses the type turbine flowmeter. Because the push structure within a certain range of traffic in a floating state, can make the impeller axial there is no contact point, endless surface friction and wear, can prolong the service life of bearing. （ 2) According to the pipeline connection mode selection, flowmeter has two ways of the horizontal and vertical installation, horizontal and pipeline connection flange connection, threaded connection and connection. Medium caliber choose flange connection; Small diameter and high pressure pipeline selects the threaded connections: clamp connection is only applicable to low pressure medium and small diameter; Vertical installation only threaded connections. （ 3) According to the environmental condition selection, considering the influence of temperature and humidity. Natural gas measurement to choose this type explosion-proof turbine flowmeter. 6. Bearing, bearing of turbine flowmeter will typically have three classes of tungsten carbide, ptfe, carbon graphite material. Natural gas metering instrument bearing should choose tungsten carbide material. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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