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How to correctly select a steam flowmeter? The correct selection of steam flow meters requires consideration of the following factors: measurement principle: choose the appropriate measurement principle according to different application scenarios and measurement requirements, such as Xiaoxiong vortex street, differential pressure type, V-cone, bend pipe, etc. Measurement range: Select a steam flowmeter with an appropriate measurement range based on actual working conditions and measurement requirements. Accuracy level: Select a steam flowmeter with an appropriate accuracy level based on actual working conditions and measurement requirements. Installation environment: Consider the installation environment of the steam flowmeter, such as temperature, pressure, corrosiveness, etc., and choose the appropriate flowmeter model and material. Length of front and rear straight pipe sections: Vortex flowmeter is a velocity flowmeter affected by flow rate, so there are certain requirements for the straight pipe section, generally 5D front and rear. Medium characteristics: Considering the medium characteristics of steam, such as temperature, pressure, corrosiveness, etc., choose the appropriate flowmeter model and material. Signal output: Select the appropriate signal output type according to actual needs, such as 4-20mA, 0-10mA, etc. Display Fangtan key: Choose the appropriate display mode according to actual needs, such as with or without display. Power supply mode: Choose the appropriate power supply mode according to actual needs, such as battery power supply, 24V, 220V, etc. Other factors: Some other factors need to be considered, such as pipeline diameter, working pressure, medium flow rate, etc. In summary, the correct s
2. How to choose a steam flowmeter? The temperature sensitivity of steam is usually between 100-250 ℃, and the pressure is generally between 1.6Mpa-6.4Mpa. This has already determined the three elements of the flowmeters operating conditions, and the next selection issue is very simple. The commonly used flow meters for steam include differential pressure flow meters, vortex flow meters, turbine flow meters, etc. The precision level of differential pressure flowmeter is the highest, for example, the V-cone flowmeter with the highest precision in differential pressure flowmeter reaches 0.5%. If the diameter of the pipeline on site is small, the vortex flowmeter is the cost-effective choice. Especially between the commonly used diameters of DN25-DN300, vortex flowmeters are the most widely used for measuring steam flow. So to choose a suitable flow meter model for measuring steam flow, the key is the working environment and price budget. 3. Selection and specification of steam flow meter
3. Selection and specification of steam flow meter
The selection and specification of steam flow meter should consider the following points: diameter: DN25: suitable for liquid flow range of 1-10m3/h to 60m3/h, gas flow range of 25m3/h to 60m3/h. DN32 and DN40: The flow range varies depending on the type of liqu