Rotary vortex flowmeter working principle and main features

The rotary vortex flowmeter is a highly advanced device that combines flow, temperature, and pressure detection in one unit. It offers automatic compensation for temperature, pressure, and gas compressibility factors, making it ideal for accurate gas measurement across various industries such as petroleum, chemical, power, and metallurgy. This type of flowmeter operates on the principle of vortex shedding. The flow sensor is designed to create a swirling motion within the fluid, similar to the effect of a venturi tube. A set of spiral guide vanes at the inlet causes the fluid to rotate vigorously. As the fluid moves into the diffuser section, the swirling flow undergoes recirculation, leading to the formation of a precessing vortex. The frequency of this precession is directly proportional to the flow rate and remains unaffected by the fluid's physical properties or density. A detection element captures the precession frequency, allowing for excellent linearity over a wide range of flow rates. The signal is then processed through amplification, filtering, and shaping to produce a pulse signal proportional to the flow rate. This signal, along with temperature and pressure data, is sent to a microprocessor for integration and analysis. The results—such as instantaneous flow, totalized flow, and temperature/pressure values—are displayed on an LCD screen. Key features of the rotary vortex flowmeter include: 1. No moving parts, which reduces wear and tear, ensures long life, and requires minimal maintenance. 2. Utilizes a 16-bit microcontroller for high performance, compact design, and strong processing capabilities. 3. Integrates flow sensing, microprocessing, and temperature/pressure sensors into a single unit, enabling real-time compensation for gas properties. 4. Employs dual detection technology to enhance signal strength and reduce interference from pipeline vibrations. 5. Incorporates intelligent seismic technology to suppress noise caused by vibration and pressure fluctuations. 6. Features a Chinese character dot matrix display for clear and intuitive readings, including working and standard volume flow, total flow, pressure, and temperature. 7. Uses EEPROM technology for permanent storage of settings and up to one year of historical data. 8. Offers multiple output options, including frequency pulses, 4–20mA analog signals, and RS485 communication, supporting long-distance transmission. 9. Provides multi-parameter alarm outputs for customizable monitoring. 10. Allows the flow meter head to rotate 360 degrees for flexible installation. 11. Compatible with FM data collectors for remote data transmission via internet or phone lines. 12. Designed for low power consumption, supporting both internal battery and external power sources. Huajiang Automation is dedicated to providing professional advice and reliable instruments tailored to your needs. If you have any questions, our experienced engineers are here to assist you. We look forward to helping you achieve accurate and efficient gas measurement solutions. Http://news.chinawj.com.cn Rotary vortex flowmeter working principle and main features Editor: (Hardware Business Network Information Center) Http://news.chinawj.com.cn Rotary vortex flowmeter working principle and main features

Wiper Seals

Wiper Seals are a type of mechanical seal commonly used to protect piston rods and pistons in hydraulic and pneumatic equipment. The main function of Wiper Seals is to prevent dust, dirt, and other impurities from entering the interior of the equipment, thereby protecting the sealing performance of the piston rod and piston, and extending the service life of the equipment.


Wiper Seals are typically made of elastic materials such as polyurethane, nitrile rubber, fluororubber, etc. These materials have excellent wear resistance and chemical resistance, and can maintain stable performance in various harsh environments.


Wiper Seals are typically divided into two types: unidirectional and bidirectional. Unidirectional Wiper Seals can only prevent dirt and impurities from entering the device from one direction, while bidirectional Wiper Seals can simultaneously prevent dirt and impurities from entering the device from both directions.


Wiper Seals can also be customized according to different application requirements. For example, for high-speed rotating devices, special Wiper Seals can be used to ensure that they do not generate excessive heat and friction during high-speed rotation. For equipment used in harsh environments, special materials such as corrosion-resistant, high-temperature resistant, and low-temperature resistant Wiper Seals can be used.


In summary, Wiper Seals are in dispensable mechanical seals in hydraulic and pneumatic equipment, and their excellent performance and reliable sealing performance provide important guarantees for the normal operation of the equipment. If you need a Wiper Seals product, you can contact a professional seal manufacturer to customize the appropriate Wiper Seals for your device according to your specific needs.

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