The gas flow meter scale for measuring gas flow case

Abstract: the gas flow meter scale for measuring gas flow case information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Thus. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the gas flow meter scale for measuring gas flow case article details. Thus velocity increases, the static pressure is reduced, so in throttling before and after the differential pressure is produced. By measuring the differential pressure of the fluid flow can be calculated to the toilet. Gas flowmeter follows the calculation formula of differential pressure flowmeter: C— — Outflow coefficient: & epsilon; — — Coefficient of expansiveness: d— — The throttle aperture, m, & beta; — — The throttling ratio coefficient, & beta; = d / d, D— — The upstream pipe diameter. m； △p— — Differential pressure, Pa; ρ 1 - — The upstream fluid density, kg/m. To avoid flow separation, and the resistance to flow to zui small central spindle and measuring tube formed between the lining of the uniform annular channel ( Slot) High-pressure gas flowmeter from the spindle head ( Leading edge) The velocity distribution is initially & other; Standardization & throughout; Pressure distribution is then also & other; Standardization & throughout; Pressure along the axis of linear decline, very stable, almost no pulse. The spindle firmly and accurately positioning in pipe, guarantee a good axial symmetry. No vortex appear, won't produce additional pressure fluctuations. Measurement accuracy can be better than & plusmn; 2% ( When the liquid measurement accuracy can be better than & plusmn; 1%) Embodies the flowmeter zui basic performance & ndash; — Measured accurately. Wide range than gas flowmeter in flow ( Reynolds number) It is only in a small flow due to fluid viscosity ( Reynolds number) Discharge coefficient in the big traffic ( Reynolds number) According to the special request can also be extended to 15:1. And the effect is limited. Installation cost greatly reduced. The pressure loss than most appropriate channel flowmeter ( Orifice plate and V cone, turbine, etc. ) This is other have obvious loss of pressure meter cannot do 5.

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