Abstract: how to clean the orifice meter scale and isolated information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Orifice flowmeter is the orifice to cooperate with all kinds of differential pressure gauge or differential pressure transmitter to measure flow rate differential pressure generator, can measure the rate of flow of liquid, steam, gas, if make sure orifice meter can normal run, usually over a period of time. More flow meter manufacturers choose model price quote you are welcome to inquire, here's how to cleaning and isolation of orifice meter scale article details. Orifice flowmeter is the orifice to cooperate with all kinds of differential pressure gauge or differential pressure transmitter to measure flow rate differential pressure generator, can measure the rate of flow of liquid, steam, gas, if make sure orifice meter can normal run, usually after a period of time, will be to segregate and purge the orifice meter. Isolation is to use spacer orifice meter, isolation diaphragm measured medium and flow meter parts not directly in contact, so that we can protect the orifice meter and implementation of a way of measurement. For there is a high viscosity, corrosion, easy to out of the solid liquid to be tested and corrosive gas, will use isolator, this will cause the current body don't direct contact with differential pressure gauge or differential pressure transmitter, in order to avoid differential pressure or differential pressure transmitter is damaged. Purge is the use of gas or liquid parts and make it with the measured medium flowmeter measurement relationship does not directly contact, is to protect the measuring instrument and a method of implementing measurement. Blow is to the measured object by measuring the pipeline continuous quantitative blow into gas, the liquid is determined by measuring the pipeline to continuous quantitative measuring objects into the liquid. Between the objective is to make direct contact with no instrument parts measured medium, can protect the orifice meter to achieve the purpose of measurement. Orifice meter in measuring gas steam, the medium will have to be after cooling ability and secondary instrument and pressure transmitter encounters, in charge of the high temperature steam will directly is the transmitter can't work, and even might damage the transmitter is the motherboard. In order to avoid high temperature medium impact on differential gauge, measurement of the steam and water temperature is higher than 70 ℃, the guide is the need to install a condenser pressure pipeline. The function of condenser is to guide pipe of steam condensation under test, and make it just as the suction catheter face is equal to the height of the condensate and constant. Material for corrosive medium, the measurement of orifice flowmeter is can't meet the requirements of corrosion resistance, in order to protect the flowmeter, isolation, and can be used to compare the viscosity medium, containing solid medium, toxic medium or may be the gasification in ambient temperature, condensation, crystallization and precipitation, such as medium, in order to be able to realize the precise measurement, also can use isolation. In purge application scope is limited in corrosion resistance, medium viscosity, crystallization and precipitation, the measurement of liquid level, pressure, flow, and adopts the isolation method is difficult to meet the requirements of occasions, in a vacuum, object is not suitable for purging method is used to measure. Orifice flowmeter is the differential pressure generator measuring meter, combined with a variety of differential pressure gauge or differential pressure transmitter to measure all kinds of fluid flow in pipe, the accuracy of measurement and the differential pressure value size are closely related. When choosing the differential value selection and zui typically large flow rate corresponding to the differential value, orifice flow meter in the differential value gets bigger, the need is zui little straight pipe is shorter. To pegatron for differential pressure transmitter, differential pressure big contrast to pressure a little more stable, the differential values are getting bigger, & beta; Value is smaller, so it can be recommended to use zui small Reynolds number, can make the actual Reynolds number could be greater than the recommended the use of Reynolds number, the flow coefficient of stability, also will improve the accuracy of measurement. All of these factors may affect the repeatability of orifice flowmeter, repeatability is flowmeter principle and manufacturing quality determined by itself, is important in the whole process control using indicators. In precision is besides depends on repeatability, also associated with value calibration system, in the actual use of the good repeatability of orifice flowmeter are many factors, such as fluid viscosity and density changes of interference, will lead to the measurement accuracy. If the flowmeter output characteristic is nonlinear, it is this effect is more outstanding. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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