Current position > News detail
『Vortex flowmeter dn200』Related information(flow rotameter|digital flow meter|balo meter|hydraulic flow meter|volumetric meter|positive displacement meter|pitot tube flow meter|displacement meter|cfm meter|variable area flow meter|inline flow meter|differential pressure flow meter|calibrated flow meter|velocity meter|paddle wheel flow meter|oval gear flow meter|anemometer hvac|multiphase flow meter|doppler flow meter|thorpe tube flowmeter|heat flow meter)
1. How to select Emerson flow meters based on pipe diameter? Emerson flow meters are mainly selected based on the type of flow meter and the actual flow range. The core is to match the pipe diameter with the flow range to avoid a decrease in measurement accuracy or equipment damage caused by improper pipe diameter. 1. The range of pipe diameters and the type of flow meter are compatible with Emersons mainstream flow meters. The range of pipe diameters is different: • Coriolis flow meter: suitable for small pipe diameters, usually DN6-DN200 (1/4 inch -8 inches), based on the principle of Coriolis force, has high accuracy in measuring fluid density and mass flow rate, and is commonly used for small flow additive transportation in the chemical industry. Electromagnetic flowmeter: suitable for a wide range of pipe diameters, from DN6-DN3000 (1/4 inch -120 inches), using the principle of electromagnetic induction to measure the volumetric flow rate of conductive liquids. Large pipe diameters are used for water supply and drainage, sewage treatment, and small pipe diameters are used for accurate control in industries such as pharmaceuticals and food. • Vortex flowmeter: Common pipe diameters range from DN15 to DN300 (1/2 inch to 12 inches), based on the Karman vortex principle, suitable for measuring gases, vapors, and low viscosity liquids. It is widely used in industrial process gas flow measurement. • Choosing a smaller diameter: If the fluid flow rate is too fast, it may increase the pressure loss of the pipeline and damage the flowmeter. For example, choosing a smaller diameter for a high-pressure gas delivery system may cause the gas flow rate to be too high, resulting in a significant pressure drop and affecting sys
3. Considering the diameter of the process pipeline, it is preferred to choose a flowmeter with the same diameter as the process pipeline to reduce installation costs and resistance losses. If the diameter of the process pipeline is special and does not fully match the flow meter, it can be connected through a variable diameter pipe fitting, but attention should be paid to the impact of the flow rate change after the variable diameter on the measurement accuracy.
2. What are the sizes corresponding to different diameters of vortex flowmeters?
Vortex flowmeters of different diameters correspond to different sizes, and products produced by different manufacturers may have differences in specific dimensions. Taking the common DN25 caliber as an example, its length is generally around 150mm and the outer diameter is about 32mm. The DN50 caliber vortex flow meter has a length of about 200mm and an outer diameter of about 57mm. For DN80 caliber, the length is usually around 250mm and the outer diameter is about 89mm. For DN100 caliber, the length is about 300mm and the outer diameter is about 108mm. When the caliber increases to DN150, the length is approximately 400mm and the outer diameter is about 159mm. The length of a DN200 caliber vortex flowmeter is generally around 500mm and the outer diameter is about 219mm. These dimensional data are only approximate ranges. In practical applications, when selecting a vortex flowmeter, accurate dimensional information should be obtained based on the product manual and specification parameter table provided by the specific manufacturer to ensure correct installation and use.