V cone and the scale of the main advantages and disadvantages of vortex flowmeter are compared

Abstract: v cone and scale of the main advantages and disadvantages of vortex street flowmeter contrast information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. The main advantage of 1 V cone flowmeter, a kind of very mature, known as the technology = trust, easy to use, no internal electronic components 2 = use the flexible ( Change range, maintenance on-site inspection) ； Is not affected by the interference of electromagnetic signal 3, users have to electronic parts. More flow meter manufacturers choose model price quote you are welcome to inquire, here is a v cone and scale of the main advantages and disadvantages of vortex street flowmeter contrast the article details. The main advantage of 1 V cone flowmeter, a kind of very mature, known as the technology = trust, easy to use, no internal electronic components 2 = use the flexible ( Change range, maintenance on-site inspection) ； Is not affected by the interference of electromagnetic signal 3, users have rights and opportunities for electronic parts selection of electronic parts ( Transmitter) Separate calibration, also easy to implement the integration of 4, have no moving parts, high repeatability 5, wide applicable, flexible using occasions ( Applicable medium: liquid, gas, steam; High, medium and low temperature; High, medium and low pressure; High, medium and low flow velocity; Clean, smudgy fluid; Large, medium and small diameter) 6, high standardization degree 7, guaranteed: precision density changes brought about by the error is small, only for the speed meter ( , electromagnetic vortex, turbine, ultrasonic flowmeter) The 1/2; 8, the pressure loss of the * very flexible; （ Design is very flexible) 9, replaceable and stroking ability; （ Differential pressure transmitter, two tables, a component can be arbitrary replacement, differential pressure transmitter can broaden range) in parallel 10, easy to check ( As long as keep fluid dynamics similarity and geometrical similarity, outflow coefficient can emersion) 11, there are a variety of types, a component of a variety of materials to choose from, especially the new generation of AVZ12, add thermal insulation ( Heating) Device, in order to realize the liquid viscosity 13, can be used according to the environmental requirements, classification and grading, easy to meet the requirements of explosion-proof. V cone flowmeter drawback: the v cone flowmeter has many advantages, but it still exists some disadvantages. 1, need calibration orifice is * by ensuring geometry can ensure the accuracy of measurement of the flowmeter. And V cone belongs to a new type of flowmeter, although many manufacturers and researchers have done a lot of experiments, but so far the V cone flowmeter can be according to the national standard is limited, and because of the limitation of confidentiality and has now been released about V cone flowmeter is relatively lack of structure design of the available literature. Various manufacturers according to the enterprise standard to production, to say the product good and evil people mixed up, not every manufacturer's products are reliable. Due to the insufficient experiment data, make each V cone flowmeter factory have to pass strict calibration. Thus increase the cost. 2, higher sale price of the same specification of V cone flowmeter is higher than that of orifice meter, but less than to replace the orifice meter. Because of the complex V cone materials, processing technology, the high cost of calibration, make its price is higher. But considering the flow time, the reliability of the initial purchase price and cost of installation, instrument, long-term maintenance costs, such as * pressure loss is the basis for the selection of flow meter, combination of judgement only considering and weighing the above these important factors, reasonable selection can do that. As mentioned before, except in the initial purchase cost is higher than V cone flowmeter orifice meter, other costs should be flat or even lower than the orifice flowmeter with orifice flowmeter. Especially in the area of needed to compensate the loss of pressure energy dissipation, V cone flowmeter is much better than the orifice meter. So in the long run, the use of the comprehensive cost is lower than V cone flowmeter orifice meter. The purpose of using a replaceable orifice is in order to improve the range ratio of the orifice plate. But it is expensive. If to V cone flowmeter with two different range of the transmitter, then the range than the expansion of the greater than the replaceable orifice meter, and its price is much lower than replaceable orifice. 3, low differential pressure due to the outflow coefficient of V cone flowmeter is greater than the outflow coefficient of orifice meter, making the same traffic orifice differential pressure value than V differential pressure value of the cone. The orifice meter transducer is commonly used in the differential table, general V cone flowmeter with low differential pressure gauge. The advantages and disadvantages of vortex street flowmeter advantages: 1, simple structure and firm, easy installation and maintenance; 2, suitable types of fluid. Such as liquid, gas, steam and partially miscible fluid; 3, high precision, wide range, small pressure loss.

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