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Price and model selection for V-cone flowmeters

2020-06-24View Original

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  How much does a V-cone flow meter cost approximately? Standard annular or flanged orifice plates are uncalibrated flow measurement devices that are used in conjunction with pneumatic, electric differential pressure transmitters, or double-diaphragm differential pressure transmitters. In the metallurgical, chemical, petroleum, and power industries, it is used for continuously measuring the pressure difference generated when liquids, gases, or vapors with a temperature of ≤ 400°C flow through orifice plates. The transmitter converts this pressure difference signal into a proportional output signal, and secondary instruments or regulators are then used to record, indicate, or regulate the flow rate being measured. So, how much does a V-cone flow meter cost?   Answer: V-cone flowmeters come in three price ranges: the first is extremely expensive, the second is over 1,000, and the third is within 1,000.   After seeing this answer, some people said, \"I’ve only heard of exorbitantly expensive fish in Harbin and exorbitantly expensive shrimp in Qingdao – where are there exorbitantly expensive V-cone flow meters?\"   The V-cone flow meter features good stability, high accuracy, excellent repeatability, a wide range ratio, low requirements for the installation pipeline, and low pressure loss. It can measure fluids containing solid particles, low-pressure fluids, highly humid gases, as well as various dirty fluids. Let’s take a look at the specific steps: Step 1: Nominal diameter, nominal pressure, and Reynolds number range. Step 2: Repeatability, accuracy class, and length of the straight pipe section. Step 3: Low pressure loss, only 1/2 to 1/3 that of orifice plates; minimal vortices formed at the back edge of the cone, and stable output on the negative pressure side. Step 4: Minimal fluctuations, with a measurable range that is quite wide.   Since V-cone flow meters are needed in many industries, there are various types of them: the V-type cone flow meter is a new type of differential pressure flow meter characterized by high precision and high stability. Like other differential pressure instruments, it also calculates the flow rate under fluid conditions based on the principle of fluid continuity and Bernoulli’s equation. We know that within the same enclosed pipeline, as the pressure decreases, the velocity increases. When the fluid approaches the cone, its pressure is P+. As the fluid passes through the throttling area of the cone, its velocity increases and the pressure drops to P-. As shown in Figure 1, both P+ and P- are led to the differential pressure transmitter through the pressure taps of the V-shaped cone flow meter; when the flow velocity changes, the differential pressure value increases or decreases accordingly. In other words, for a steady fluid, the flow rate is proportional to the square root of the pressure difference. When the flow rate is constant, the larger the throttling area of the cone, the greater the resulting differential pressure. For more information, please visit the company’s official website at http://www.yb1518.com/. Please retain this link when reproducing the content! http://www.yb1518.com/UploadFiles/2012717115157255.jpg

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