The LF14 series electromagnetic flowmeter consists of two main components: the sensor and the converter. It operates based on Faraday's law of electromagnetic induction, designed to measure the volumetric flow rate of conductive liquids—and is classified as a velocity-type instrument. In addition to measuring the volume flow of common conductive liquids, it can also be used to accurately determine the flow rates of highly corrosive fluids such as strong acids and strong bases, as well as uniform liquid-solid two-phase suspensions like mud, mineral slurries, and pulp. This product finds extensive applications in industries such as petroleum, chemical engineering, metallurgy, light textile, papermaking, environmental protection, and food processing, as well as in municipal management, water conservancy projects, and river dredging operations for flow measurement. <br/> ● Measurement is unaffected by changes in fluid density, viscosity, temperature, pressure, and electrical conductivity. <br/> ● The measuring tube features no obstructive components, resulting in zero pressure loss and reduced requirements for straight pipe sections. It also exhibits unique adaptability for slurry measurement. <br/> ● Properly select electrode and lining materials that exhibit excellent corrosion resistance and wear resistance. <br/> ● Fully digital processing, strong anti-interference capability, reliable measurement, high accuracy, and a wide flow measurement range <br/> ● Ultra-low EMI switching power supply, suitable for a wide range of input voltage variations and featuring excellent EMI resistance. <br/>
The LF-19P series nozzle flowmeter is a differential-pressure type flow measurement instrument based on the throttling principle. Its core component is a nozzle with a specially designed curved profile. By installing the nozzle directly into the pipeline, the flowing fluid creates a pressure difference as it passes through, allowing the flow rate to be accurately calculated. As the fluid flows through the nozzle, it gradually contracts at the inlet, causing the flow velocity to increase while the static pressure decreases. At the throat section immediately downstream of the nozzle outlet, the flow velocity reaches its maximum, and the static pressure drops to its lowest point. By measuring the pressure difference before and after the nozzle—and combining this data with fluid properties such as density and temperature—it becomes possible to determine the fluid’s instantaneous and cumulative flow rates using Bernoulli’s equation. The streamlined design of the nozzle minimizes turbulence at the throttling point, making the device less sensitive to solid particles in the medium and significantly enhancing its resistance to clogging. This makes it particularly well-suited for measuring fluids that are dirty or contain minor impurities. The product is widely used in industries such as power generation, chemical processing, and petroleum, especially for applications involving steam, gases, and high-viscosity liquids. Key features of this product include: <br/> ●Low pressure loss and excellent energy-saving performance: Compared to traditional orifice plates, the nozzle's streamlined design effectively minimizes vortex formation. <br/> ● Anti-clogging and wear-resistant with a robust structure: The internal design features no complex components, making the throttling edges highly resistant to wear. Its design prevents debris buildup, making it ideal for handling dirty media containing small particles—and ensuring an exceptionally long service life. <br/> ● High measurement accuracy and stable performance: Measurement accuracy typically ranges from ±0.5% to ±2% of full scale, with minimal impact from fluid viscosity and flow velocity fluctuations, ensuring consistent and reliable measurements across a wide flow range. <br/> ● Wide range of applicable conditions: It can measure various media such as liquids, gases, and steam, making it particularly suitable for high-temperature, high-pressure, and high-flow applications. It is widely used in industries like power generation, chemical processing, and petroleum. <br/>
The LF-19Q Venturi flowmeter is a differential-pressure-type flow measurement instrument designed based on Bernoulli's equation and the principle of fluid continuity. Its core structure consists of three main sections: an inlet contraction section, a central throat, and an outlet diffusion section. Due to its simple design and low energy consumption, it is widely used in industrial fluid measurement applications. This product features the following characteristics: <br/> ● Minimal pressure loss and excellent energy efficiency: The unique "contraction-throat-expansion" structure recovers approximately 90% of the static pressure energy. <br/> ● Anti-clogging and wear-resistant with strong adaptability: The inner wall features a smooth surface free of sharp edges or constricted dead zones, making it highly resistant to impurity buildup (such as particles in wastewater or deposits in steam). This design ensures stable performance even under challenging conditions, including liquids containing minor impurities, high-temperature gases like steam, and corrosive media such as chemical solutions. <br/> ● Stable measurement with reliable accuracy: Measurement accuracy typically ranges from ±1% to ±2.5% of full scale (FS), and is minimally affected by fluctuations in fluid flow velocity or changes in medium viscosity. It ensures consistent, stable readings across a wide range of flow rates—from small to large (pipe diameters DN50 to DN2000). <br/> ● Flexible installation requirements: Only a straight pipe section of 5–10 times the pipe diameter upstream and 3–5 times downstream is needed—significantly less than the requirement for turbine flowmeters (10D upstream, 5D downstream)—making it more adaptable to limited installation spaces, especially ideal for scenarios with compact pipe layouts. <br/>
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