Abstract: the advantages and disadvantages of
vortex flow meter scale information produced by excellent flow meter, flow meter manufacturer to offer you the quotation.
The advantages and disadvantages of vortex street flowmeter limitations what are some of the characteristics of vortex flowmeter and vortex street flowmeter is based on the principle of the karman vortex street and successful development of a new type of flowmeter has the international advanced level, because it possesses the advantages of other flowmeter it too, since the seven.
More flow meter manufacturers choose model price quote you are welcome to inquire, the following are the advantages and disadvantages of
vortex flow meter scale article details.
The advantages and disadvantages of vortex street flowmeter limitations what are some of the characteristics of vortex flowmeter and vortex street flowmeter is based on the principle of the karman vortex street and successful development of a new type of flowmeter has the international advanced level, because it has the advantages of other flowmeter it too got rapid development since the seventy s, according to relevant data shows, Japan, Europe and the United States and other developed countries now use a sharp rise in the proportion of the vortex flowmeter, has been widely used in various fields, will be dominant in the future flow meter, zui orifice flowmeter is the ideal alternative products, it is also one of the first choice for flow meter.
1, the vortex street flowmeter features: simple structure and strong, have no moving parts, high reliability, long running very reliable;
Installation is simple, maintenance is very convenient;
Detection sensor is not direct contact with the medium, stable performance and long service life;
The output is the pulse signal is proportional to the flow, no zero drift, high precision, and convenient and computer networking;
A wide range of measurement range ratio of 1:10;
Less pressure loss, low operation cost, more energy saving;
In a certain range of Reynolds number, the output signal frequency is not affected by fluid physical properties, and components change, instrument coefficient only associated with the shape and size of vortex occurred body fluid volume flow measurement without compensation, need to calibration instrument coefficient after changing accessories.
Application range is wide, steam, gas, liquid flow rate can be measured;
2, the limitations of vortex flowmeter, vortex flowmeter is a kind of speed type flowmeter, vortex separation stability affected by the velocity distribution, so it have certain request for straight pipe, the general is a former 'after 10 d, 5 d;
Measurement of liquid, the limit velocity limit pressure loss and 'cavitation phenomenon, generally is 10 m/s.
When measuring gas, restricted by medium compressibility change limit velocity, Reynolds number and lower velocity sensor sensitivity limit, range of 10 - generally the flow velocity of the gas
70 m/s, the velocity range of steam for 8 -
50m/s；
Stress vortex flowmeter is sensitive to vibration is larger, so the vibration in pipe installation of vortex flow time, pipeline must have certain shock absorption measures;
Stress vortex street flowmeter using piezoelectric crystal as testing sensor, so its restricted by temperature, general long-term working temperature for the -
40 ℃ ~ + 350 ℃ and -
10℃～+250℃。
Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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