Metal pipe flow meter scale measurement accuracy reduce the cause and the solution

Abstract: metal tube flow meter scale measurement accuracy to reduce the cause and the solution of information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Metal tube flow meter in the daily used widely in all kinds of flow measurement. It has simple structure, reliable operation, low measuring gas pressure loss, wide use range, high precision, easy installation, small amount of maintenance and long service life, resistant to high temperature and high pressure,. More flow meter manufacturers choose model price quote you are welcome to inquire, here is a metal tube flow meter scale measurement accuracy to reduce the cause and the solution to the article details. Metal tube flow meter in the daily used widely in all kinds of flow measurement. It has simple structure, reliable operation, low measuring gas pressure loss, wide use range, high precision, easy installation, small amount of maintenance and long service life, resistant to high temperature and high pressure, strong sense of security, reading simple wait for a characteristic, and is suitable for the less transparent medium, the medium corrosive medium and small diameter and low flow velocity of the flow measurement. Production of metal tube float flowmeter for straight pipe requirements is not high, has a wide flow rate ratio ( 10:1) , double row big LCD display; Optional field, according to the instantaneous/cumulative flow can bring backlit uniaxial sensitive instructions, non-contact magnetic coupling transmission; This flowmeter all-metal structure, suitable for high temperature, high pressure and strong corrosive medium; Can be used for flammable, explosive or dangerous situation; Optional two wire, batteries, communication power supply and so on; Multiple parameter calibration function; Metal tube float flow JiJi with data recovery, data backup and power-fail protection function. Metal tube flow meter in use process measurement accuracy decline phenomenon, reason mainly has the following several aspects. 1, the internal structure of metal tube float flowmeter caused deformation. May be the mechanical transmission parts such as pointer gear stuck, four fluorine material float or lining deformation, etc. In this case, the only change the float and the lining can solve the problem. In addition, because the medium is too thick, sticky on the float and the lining, in addition to cause the error of the meter, can also cause metal pipe flow meter pointer movement. This kind of situation just flow meter will be removed clean can restore original precision. 2, zui possible reasons are: the middle of the tube flow meter is equipped with guide rod, float can be run smoothly in the guide bar, reduce the float. If open or close the valve quickly and quickly lead to air pockets or water hammer phenomenon, make the float within the flowmeter produces violent collision, and make the float or guide bar bending. Just at the time of open and close the valve slowly, to avoid such problems. 3, because the medium is too thick, sticky on the float and the lining, in addition to cause the error of the meter, can also cause metal pipe flow meter pointer movement. This kind of situation just flow meter will be removed clean can restore original precision. Know the reason of the above, then we can suit the remedy to the case, take corresponding measures to improve the measurement precision of the tube rotor flow meter. Specific method is as follows: metal tube flow meter must be installed vertically, fluid flows through the flowmeter from bottom to top, and vertical degree is better than 2 & deg; When mounted horizontally horizontal Angle is better than that of 2, & deg; ； · Piped in process of metal tube float flowmeter should add bypass, in order to deal with failure or blow does not affect production; · Metal pipe flow meter length should be more than 5 times the pipe diameter at the entrance of straight pipe, exports should be 250 mm straight pipe, to ensure the accuracy of measurement instrument; · If the medium containing ferromagnetic material, magnetic filters should be installed; · If the medium containing solid impurities, consideration should be given to the valve and straight pipe between the filter; · When used for gas measurement, should guarantee the pipeline pressure is not less than five times the flow pressure loss, so that the float stability; · If the temperature of the measured medium is higher than 220 ℃ or prone to crystallization when the fluid temperature is too low, heat insulation protection measures should be taken to, should choose clamp cover model, for cooling or heat preservation; · Pipe flanges, fastener, flange gasket and metal pipe float flowmeter standard to make the same instrument installed and run; Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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