Vortex flowmeter data

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What are the measurement ranges of vortex flowmeters?

1、 Vortex flowmeter is a flowmeter based on the Karman vortex principle for measurement. It can measure liquids and gases, and is also very economical. The diameter is generally DN10-- DN1000. With temperature and pressure compensation, it can accurately measure gas or steam flow, and has a wide range of applications;

2、 Vortex flowmeter can only measure volumetric flow rate, usually in m3/h (cubic meters per hour), with instantaneous flow display and cumulative flow display;

3、 The measurement range corresponding to electromagnetic flow meters of different diameters is: liquid measurement: (unit: m3/h): DN15

1.2-6; DN20

1.5---10； DN25：2---16； DN32

1.8---20； DN40：2.5---25； DN50：3.5---40； DN65：7.5---70； DN80：12---130； DN100：18---160； ..... Gas measurement: (unit: m3/h): DN15:4--28; DN20：6---40； DN25：8---50； DN32：15---150； DN40：18---180； DN50：25---480； DN65：50---500； DN80：80---800； DN100：120---1200； ..... For more detailed information, please refer to the technical article on the website of Shandong Qiangqiang Automation Technology Co., Ltd.... Www.qszdh.com

2.... Is it available? Where are ultrasonic flow meters, float flow meters, and vortex flow meters used? difference. Vortex flowmeter is mainly used for flow measurement of industrial pipeline media fluids, such as gases, liquids, vapors, and other media. Its characteristics are small pressure loss, large range, high accuracy, and almost unaffected by rising parameters such as fluid density, pressure, temperature, viscosity, etc. when measuring volumetric flow rate under working conditions. No movable mechanical parts, therefore high reliability and low maintenance. The instrument parameters can be stable for a long time. Float flowmeter is a volumetric flow meter that measures the flow area between a vertical conical tube with the float rising and falling as the flow rate changes, also known as a rotor flowmeter. Float flowmeter is used for small diameters and low flow rates. Commonly used instruments have a diameter of 40-50mm or less, with a minimum diameter of 1.5-4mm. They are suitable for measuring low flow rates and small flow rates. Taking liquids as an example, the nominal diameter of a glass tube float flowmeter with a diameter of 10mm or less for full flow rates is only between 0.2-0.6m/s, or even lower than 0.1m/s; Metal tube float flow meters and glass tube float flow meters with a diameter greater than 15mm are slightly higher, with flow rates between 0.5-1.5m/s. Float flow meters can be used for lower Reynolds numbers, using floats with viscosity insensitive shapes. As long as the Reynolds number at the flow annulus is around 40 or 500, the flow coefficient remains constant when the Reynolds number changes, meaning that changes in fluid viscosity do not affect the flow coefficient. This value is far below the minimum Reynolds number requirement of 104-105 for standard orifice plate and other throttling differential pressure instruments. Most float flowmeters do not require an upstream straight pipe section, or in other words, do not have high requirements for the upstream straight pipe section. When the fluid used is different from the factory calibrated fluid, flow indication correction should be performed. Float flow meters for liquids are usually calibrated with water, while those for gases are calibrated with air. If the actual fl

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