Vortex Flow Meter DN15-2000 Tube Flange Liquid 1Y GB CE MEJOR

Precise flow monitoring is essential in both manufacturing and everyday applications. Capturing fluid flow data across diverse industrial processes and municipal water and gas networks directly impacts operational effectiveness, improves material efficiency, and supports reliable, secure system performance. The vortex flowmeter, benefiting from its distinctive operational mechanism and strong performance traits, has become a common choice across numerous sectors.
1, Working principle
This vortex meter functions according to the well-known Karman vortex effect. As a fluid moves past a triangular prism or another specially designed vortex inducer placed inside a pipe, periodic vortices form alternately on either side of the inducer, known as Karman vortices. These vortices appear in a non-symmetrical pattern downstream of the inducer.
How often vortices are emitted depends strongly on the mean fluid speed passing through the vortex generator and the generator's typical width. This connection is mathematically represented by a formula
f=St× (d/v)
The vortex release rate f is measured in hertz, v denotes the mean fluid speed through the generator in meters per second, d represents the generator’s typical width in meters, and St refers to the Strouhal number—a dimensionless ratio generally between 0.14 and 0.27—dependent on the Reynolds number.
2, Significant features
The vortex flowmeter features a solid, uncomplicated design due to the absence of internal moving parts. This eliminates common issues like mechanical degradation and breakdowns, significantly enhancing performance consistency and operational stability over extended periods.
Vortex flowmeters deliver exceptional precision in real-world operating environments, remaining largely insensitive to variables like fluid density, pressure, temperature, and viscosity. The device generates a pulse output directly linked to flow velocity, with minimal risk of signal drift over time. This ensures reliable and accurate flow readings. For full-tube liquid measurements, accuracy typically hits 1%, while steam and gas flow accuracy stands at 1.5%. Insertion-type liquid measurements achieve 2%, and for steam and gas, the accuracy is 2.5%.
Vortex flowmeters offer an extensive measurement span, up to 1:10 or beyond, making them suitable for diverse flow conditions. They deliver precise readings across both low and high flow rates, offering substantial adaptability for real-time flow control in industrial operations.
The vortex flowmeter exhibits minimal pressure drop because of its distinctive design. This results in lower energy demands for the system operation and less stress on the fluid transport network, enhancing overall performance—especially in extended pipeline runs or high-pressure environments. This benefit is clearly noticeable.
Vortex flowmeters are suitable for measuring the flow of diverse substances including gases, liquids, and steam, serving nearly every typical fluid found in both industrial operations and everyday use. From sectors like chemicals, oil, and power generation to essential services such as city heating, water distribution, and gas delivery, these flowmeters are widely deployed.
Vortex flowmeters require minimal upkeep because they lack moving components and feature sensors that don’t touch the fluid being measured, resulting in consistent performance, extended lifespan, and reduced routine servicing. Routine inspections and calibration help maintain precision and dependability over time, significantly cutting long-term operational expenses and equipment idle time.
The vortex flowmeter offers various signal outputs, such as analog and digital pulse formats, allowing seamless connection with computer-based digital platforms. This facilitates smooth incorporation into contemporary automated control environments, enabling instant gathering, sharing, and analysis of flow information, thereby enhancing process automation and operational efficiency.
3, Technical indicators
Measurement medium: It can measure various media such as gas, liquid, steam, etc., meeting the needs of different industries and application scenarios.
Various attachment options include flange-mounted, flange-based, plug-in designs, and others, allowing users to pick based on specific pipeline conditions and installation needs. Typical flange mounting sizes often feature 25, 32, 50, 80, and 100 mm; standard flange size options typically cover 100, 150, and 200 mm. The plug-in vortex flow meter is designed for larger pipe diameters, operating effectively within a diameter range of 350 to 1200 mm.
Gas flow velocities typically fall within 5 to 50 m/s, while liquid flow speeds range from 0.5 to 7 m/s. Exact flow rate limits for liquids, gases, and steam can differ based on the device type and technical details.
Measurement precision: Typically categorized as 1.0 and 1.5 grades, certain advanced models offer superior accuracy to satisfy the strict demands of flow measurement in various applications.
The material exhibits versatility across a range of operating temperatures, covering standard ranges (-25 ºC to 100 ºC), elevated conditions (-25 ºC to 150 ºC, -25 ºC to 250 ºC), and in some cases, extreme heat—specifically, tubular designs capable of enduring up to +100-350 ºC.
Supports multiple output types: pulse voltage outputs (high: 8–10V, low: 0.7–1.3V, 50% duty cycle, up to 100m range), pulse current signals (4–20 mA, up to 1000m range), among others, easily integrable with diverse control systems and data collection equipment.
The instrument can function within a defined range of temperature and moisture levels. Operating temperatures fall between -25 ºC and +55 ºC, with humidity levels maintained between 5% and 90% RH (at 50 ºC).
Typically constructed from stainless steel, aluminum alloy, or similar substances, the flowmeter maintains strong resistance to corrosion and robust structural integrity across various fluids and operational conditions.
Operates on DC24V input, with certain models featuring built-in lithium battery (3.6V) to enable usage in locations without access to external power or during portable field measurements.
Vortex flowmeters are designed for high-risk areas involving flammable substances, offering certified explosion protection like iaIIbT3-T6 intrinsic safety. Additionally, their IP65 rating guarantees secure and consistent performance in dangerous settings.