Xi'an Huance Automation Technology Co., Ltd.
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Gas ultrasonic flowmeter
The gas ultrasonic flowmeter clamp-on probe is installed directly on the process pipeline instead of being inserted into the pipeline. No direct contact with the medium, easy and fast installation, no need to interrupt the process medium, and no pressure loss.
Working principle
Gas ultrasonic flowmeter is an ideal solution for accurately measuring high-pressure gas. Compared with traditional measurement methods, especially when measuring large-diameter, it greatly reduces the cost. At the same time, the meter has a wide range ratio and can measure very low flow rates.
According to the ISO12213-1 standard, the gas ultrasonic flowmeter instrument has a built-in flow computer, which can complete the conversion of standard condition flow through temperature and pressure compensation. The K probe of gas ultrasonic flowmeter adopts 500KHz excitation frequency, which is especially suitable for measuring gas and liquid with high sound loss. The feasibility of clamp measurement depends on the sound loss level and gas density.
Features
Clamp-on gas ultrasonic flowmeter, typically used in natural gas pipeline measurement.
The following are the main features of gas ultrasonic flow meters:
● Wide turndown ratio
● Dirty resistance, humidity resistance, abrasion resistance
● Easy to install, low cost
● No pressure loss, no leakage
● Can be installed directly on existing pipelines
● Large diameter and high pressure measurement, economical and practical
● Optional explosion-proof probe K4N
Application field
1. Measurement management of natural gas high-pressure long-distance pipelines and provincial and municipal distribution stations
2. City Gas Metering Management
3. Exploitation and utilization of natural gas and coalbed methane
4. Liquefied natural gas and liquefied petroleum gas
5. Large-scale industrial gas metering management
6. Blast furnace gas and coke oven gas measurement
7. Other energy-saving emission reduction gas emission measurement, etc.
Technical Parameters
| Product name | Gas ultrasonic flowmeter |
| Engineering path | 25 200 DN(mm) |
| Measurable medium | Basically clean, single-phase, no impurities, medium and low flow gas |
| Pressure Level | 1.6MPa 2.5MPa |
| Turndown | 1:40 |
| Flow range | 1-3000(m3/h) |
| Ambient temperature | -20°C~60°C |
Flow comparison table
| Nominal diameter DN(mm) | Specification | Starting flow (m³/h) | Measuring range(m³/h) | Measurement accuracy(m³/h) |
| 25 | DN25 | 0.02 | 1-40 | 1.00% |
| 32 | DN32 | 0.03 | 5-50 | 1.00% |
| 40 | DN40 | 0.05 | 6-100 | 1.00% |
| 50 | DN50 | 0.07 | 4-160 | 1.00% |
| 65 | DN65 | 0.08 | 7-180 | 1.00% |
| 80 | DN80 | 0.1 | 8-400 | 1.00% |
| 100 | DN100 | 0.2 | 16-700 | 1.00% |
| 150 | DN150 | 0.4 | 20- 1400 | 1.00% |
| 200 | DN200 | 0.5 | 36- 2000 | 1.00% |
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