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What flowmeter is used for circulating water?

2024-07-02
The choice of circulating water flow meter depends on the specific application scenario, medium characteristics, measurement accuracy requirements and budget factors. The following are some common circulating water flowmeter types and their characteristics for your reference:
Electromagnetic flow meter:
Principle: Based on Faraday's law of electromagnetic induction, flow is calculated by measuring the induced electromotive force generated by the movement of conductive liquid in the magnetic field.
Features: wear-resistant and corrosion-resistant, with anti-interference, high precision, self-detection and other excellent characteristics.
Application: It is often used in sewage, tap water, production water and other fields that need to measure conductive liquids.
Price: Prices vary depending on the brand, specifications and performance.
Turbine flow meter:
Principle: Calculate the flow rate by measuring the speed of the turbine in the fluid.
Features: With high accuracy, good repeatability, compact and lightweight structure, large circulation capacity and other advantages. According to the different measuring medium, it can be divided into two kinds of measuring instruments: gas and liquid.
Application: Widely used in oil, natural gas, organic or inorganic liquid, gas and other media measurement.
Prices: Prices vary depending on the brand and specifications.
Vortex flow meter:
Principle: Based on Karman vortex street principle, flow is calculated by measuring the frequency of vortex occurrence.
Features: It has the advantages of large range, advanced circuit, small resistance loss, strong and durable.
Application: Commonly used to measure gas, steam, liquid and other industrial pipeline medium fluids.
Price: Also affected by brand, specifications and other factors, the price range is wide.
Elliptical gear flow meter:
Principle: Flow rate is calculated by measuring the number of rotations of the elliptical gear in the pipeline.
Characteristics: Suitable for measuring fluids with high viscosity and low Reynolds number.
Application: It is widely used in petroleum, chemical, coating, food and other industries.
Price: Prices vary according to specific models and specifications.
When choosing a circulating water flow meter, there are a number of factors that need to be considered to ensure that the flow meter can meet the needs of the specific application scenario. Here are some of the main considerations:

Medium characteristics:
Electrical conductivity of water: If the water has good electrical conductivity, the electromagnetic flowmeter is a good choice.
Cleanliness of the water: If there are impurities or particles in the water, it may be necessary to choose a flowmeter that can handle these impurities, such as a flowmeter with a filter.
Viscosity of water: For high viscosity water, an elliptical gear flowmeter may be more suitable.
Measurement accuracy and range:
Determine the required measurement accuracy and range according to the application requirements.
High-precision applications, such as laboratories or industrial applications that require accurate metering, may require the selection of high-precision flowmeters.
Pressure rating and temperature:
Select the appropriate flowmeter according to the pressure grade and medium temperature of the circulating water system.
Ensure that the selected flowmeter can operate within the expected pressure and temperature range.
Installation method:
Consider the installation position of the flow meter, pipe size and connection mode.
Choose a flowmeter suitable for field installation conditions, such as plug-in, flanged or clamped.
Maintenance and calibration:
Consider flowmeter maintenance costs and calibration cycles.
Choose flowmeters with easy maintenance and long calibration cycles to reduce long-term operating costs.
Special requirements:
Explosion-proof, anti-corrosion and other special requirements to ensure that the selected flowmeter can meet specific industry standards or regulations.
Cost budget:
Select the right flowmeter according to budget constraints.
On the premise of meeting application requirements, try to choose products with higher cost performance.
When choosing a circulating water flow meter, factors that need to be considered also include the measurement range, pressure level, medium temperature, installation method, and maintenance and calibration of the flow meter. In addition, according to the specific application scenario, it may also be necessary to consider the special requirements of the flowmeter, such as explosion-proof and anti-corrosion. It is recommended that you compare the selection according to the actual needs and technical specifications, and consult the advice of professionals.

If you want to know more about the flow meter or flow meter selection, please consult the Aister flow meter manufacturer email: sales@aistermeter.com for help.
 
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