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technical article
What are the requirements for installing a vortex flowmeter?
2011-12-30 9:13:50


1. Note that the diameter of the pipeline should be slightly larger than or equal to the inner diameter of the instrument during installation.

最佳安装方式为竖直安装、介质自下而上通过流计;即将流量计安装在竖直管道上、流量方向为自下向上; 2. The best installation method of the vortex flowmeter is vertical installation, the medium passes through the flowmeter from bottom to top; that is, the flowmeter is installed on the vertical pipeline, and the flow direction is from bottom to top;

3. For horizontal installation, the flow meter must be installed in the high-pressure area of the entire system, and the corresponding outlet pressure must be guaranteed. Do not install at the highest point of the pipeline, because the highest point often has gas accumulation, the pipeline is not full, and the outlet cannot be vented directly;

4. When measuring high temperature fluids, try to use vertical installation. 的变送器部分竖直向下、或水平侧装、避免温度过高。 If you have to install it horizontally, please install the transmitter part of the vortex flowmeter vertically downward, or install it horizontally to avoid overheating. Pay attention to air flow or good ventilation at the installation location;

5. Straight pipe section requirements-at least 15 times the pipe diameter before the flowmeter and 5 times the pipe diameter after the flowmeter; if there are interference sources such as elbows, indentations, and expansion in front of the flowmeter, you must ensure 30-40 before the flowmeter. Double the pipe diameter, 6 times the pipe diameter, the flow meter should be

Installed upstream of a regulating valve, pressure or temperature sensor;

7. When using the seal ring, pay attention to the inner diameter of the seal ring should be slightly greater than or equal to the inner diameter of the meter, and the center of the seal ring is located in the center of the pipeline;

8. Cable inlet sealing When connecting the meter to the instrument, you must pay attention to the seal of the cable entry hole; you must choose the corresponding sealing interface (M20 × 1.5; 1 / 2'NPT; G1 / 2 ') according to the meter cable entry model, and it is correct and tight. Ground installation; no sealed joints,

Or install sloppy, can not achieve the sealing effect;

只能单向测量、安装时注意保证介质流量方向与流量计箭头所示方向一致! 9. The vortex flowmeter can only measure in one direction. When installing, pay attention to ensure that the medium flow direction is consistent with the direction shown by the arrow of the flowmeter! !! !!