Natural gas flowmeter | National standard for installation of natural gas flowmeter | Nanyang ultrasonic flowmeter manufacturer

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1. What flowmeter is good for measuring natural gas?

It is recommended to use vortex flowmeter for natural gas measurement, which has excellent comprehensive performance and wide applicability. The following analysis is conducted from three aspects: technical principles, product advantages, and selection points:

1. Technical principles and applicability. The vortex flowmeter works based on the Karman vortex principle: when the fluid passes around a non streamlined cylinder, the instability of the boundary layer causes the formation of regular vortex columns alternately on both sides of the cylinder. By using piezoelectric crystals to detect vortex frequency, fluid flow rate can be indirectly measured. This principle is suitable for measuring clean gases such as natural gas, especially for working conditions with high Reynolds numbers (such as natural gas pipeline transportation), and can stably capture vortex signals and convert them into flow data. Image: Vortex flowmeter achieves flow measurement by detecting vortex frequency

Secondly, the core advantage of the product is high precision and wide range measurement accuracy of ± 1%, with a range ratio of over 10:1, covering the measurement needs of natural gas from low flow to high flow. Support measurement of working condition volume flow rate or standard volume flow rate (integrated intelligent temperature and pressure compensation), adapting to different pressure and temperature conditions. Strong anti-interference ability adopts new signal processing amplifiers and filtering technologies to effectively eliminate pressure fluctuations and pipeline vibration interference, ensuring the stability of small flow measurement. Suitable for scenarios w

ith frequent pipeline vibration or significant pressure fluctuations, such as urban transmission and distribution networks. Integrated functionality and convenience with built-in pressure, temperature, and flow sensors, compact structure, and high safety performance. On site display of temperature, pressure, instantaneous flow rate, and cumulative flow rate, supporting pulse or 4-20mADC current output, facilitating data acquisition and system integration. The header can rotate 180 degrees, with flexible installation and adaptability to different pipeline directions. Low power consumption and long endurance. The whole machine has extremely low power consumption, and the built-in battery can provide long-term power without the need for an external power source. It is suitable for outdoor or non powered environments (such as natural gas wells in remote areas). Data reliability has real-time data storage function, with internal data permanently saved to avoid data loss due to power outages or malfunctions.

III. Selection Points: When selecting a vortex flowmeter, the following factors should be considered comprehensively to match the actual working conditions: functional requirements confirm whether temperature and pressure compensation functions (standard volume flow measurement) are needed.

. Select the output signal type (pulse, 4-20mADC current) according to the system requirements. Fluid characteristics and natural gas composition: If there are impurities or high humidity, it is necessary to choose a model with strong anti pollution ability. Flow range: Select a flow meter with a matching range based on the pipeline design flow rate to avoid accuracy degradation caused by a range that is too large or too small

Natural gas flowmeter | National standard for installation of natural gas flowmeter

1. What flowmeter is good for measuring natural gas?

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