The LF17-... series of metal rotor flowmeters employs the variable-area measurement principle and is designed for continuous measurement of volumetric flow rates of liquids and gases in closed pipelines. These metal-tube float flowmeters feature a robust and reliable design, a wide operating temperature range, high accuracy, and an affordable price, making them suitable for flow measurement in various applications. This series comes in a smart on-site indicator version, available in three installation configurations: bottom-in-top-out, left-in-right-out, and bottom-in-side-out. They can be widely used in departments such as national defense, chemical industry, petroleum metallurgy, power generation, environmental protection, pharmaceuticals, and light industries for measuring liquid and gas flow rates. Key features of this product include: <br/> ● Resistant to Harsh Operating Conditions: Its metal construction—such as stainless steel—endows it with high-pressure and high-temperature resistance, making it suitable for corrosive or high-temperature media in industrial sectors like petroleum and chemical processing. <br/> ● Ideal for small to medium flow rates: Based on the float-up principle, it offers higher measurement accuracy for low flow velocities and media flowing through small to medium pipe diameters (typically DN15–DN200), making it especially suitable for applications with unstable flow conditions. <br/> ● Easy installation and maintenance: Can be installed vertically without needing to reserve long straight pipe sections like turbine flowmeters; features a simple design with no complex moving parts inside, resulting in low maintenance costs. <br/> ● Intuitive readings: Traditional models feature a transparent conical tube with scale markings, allowing direct observation of the float position to measure flow rate; the smart version, meanwhile, supports digital display, making data acquisition even more convenient. <br/>
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/>
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