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The standardization of the throttling element optimizes the various "porous orifice" chokes that are currently being introduced. This is the only way to simplify the test project. It has taken several decades to accumulate test data to standardize the standards for throttling flow meters. Accumulating hundreds of thousands of data in laboratory tests is the only way to set standards. Must not be arbitrary, behind the door to establish standards, must be based on the test. The impact of the resistance test test must first be carried out in a standard laboratory, and then the data must be used to describe the length of the straight section necessary to ensure a high degree of accuracy with different resistances and different installation lengths.
Rational selection, good faith publicity. The rapid development of science and technology continues to set new requirements for flow meters. Flow manufacturers have also introduced various new principles and new structures for this purpose. But it is still difficult to find a flow meter so perfect to meet all requirements. Any kind of flow meter can only exert its advantages in a certain area, but not necessarily in other areas. Therefore, users should be rational in the selection process, do not rely on a vendor's exaggerated propaganda; the company's propaganda should also be based on good faith, do not over-hype, in order to seek huge profits.
The use of standards and data to evaluate instrumentation with excellent instrument quality must be followed. The standard is based on a large number of experimental data, valuable experience of summing up valuable experience, not to be able to do it overnight. There are rules to ensure product quality is guaranteed; but the development of standards requires time, it can not hinder the innovation of the instrument, a new type of instrument, in the absence of standards can be followed, the assessment of the standard is in a certain qualification laboratory test data . It should be emphasized here that personnel working in such laboratories (especially responsible persons) must be clean and honest.
Patented products may not be excellent. The patent simply states that it is not an imitation, and may not necessarily be excellent. Many manufacturers pull up the banner of the patent. It is nothing more than raising the price to earn profits. The user must not be confused by the patented product, and should investigate where it is best and whether it is suitable for use.
Throttle flow meter development needs to solve problems and precautions
Throttling flow meters have been widely used due to their ability to withstand harsh operating conditions and have low costs. They have accumulated a large amount of data, have relatively mature international and national standards, and are capable of dry labeling, and have occupied the first place in the flow meter market for a long time.