| 孔板流量计取压口安装方式以及注意事项 |
| 信息来源： 流量变送器生产 | 2019-05-07 点击量： 9747 |
孔板流量计取压口安装方式以及注意事项，西安华恒仪表制造：孔板流量计按国标规定进行设计、制造和检定的标准孔板无需实流标定，精度高、结构简单、制造成本低，但压力损失在所有标准节流装置中最大，不适用于要求压力损失小的情况，标准孔板广泛用于石油、化工、冶金、电力等行业。
Installation method and precautions of orifice plate flowmeter pressure intake port,Xi'an Huaheng Instrument Manufacture:orifice plate flowmeter designed,manufactured and calibrated according to the national standard does not need real flow calibration,has high accuracy,simple structure and low manufacturing cost,but the pressure loss is the largest in all standard throttling devices,and is not suitable for situations requiring low pressure loss.Standard orifice plate is widely used.Petroleum,chemical,metallurgical,electric power and other industries.
孔板流量计取压口安装方式：
Installation method of orifice flowmeter pressure tap:
1、被测流体为液体时，为防止气泡进入导压管，取压口应处工艺管道中心线下偏≤45°的位置上，正负取压口处于与管道对称位置时，两者应在同一水平面上
1.When the measured fluid is liquid,in order to prevent air bubbles from entering the pressure guide pipe,the pressure take-off port should be located at the position below 45 degrees below the center line of the process pipeline,and the positive and negative pressure take-off port should be in the symmetrical position with the pipeline,both of them should be on the same horizontal plane.
2、被测流体为气体时，为防止液体（冷凝液）进入导压管，取压口应处工艺管道中心管道上方线上偏≤45°的位置上，正负取压口处于与管道对称位置时，两者应在同一水平线上。
2.When the measured fluid is gas,in order to prevent the liquid(condensate)from entering the pressure guide pipe,the pressure take-off port should be located at the position of less than 45 degrees above the central pipeline of the process pipeline,and the positive and negative pressure take-off ports should be in the same horizontal line when they are in the symmetrical position with the pipeline.
3、被测流体为蒸汽时，应保证冷凝器中冷凝液面恒定和正负导压管上的冷凝面高度一致。正负压口处于与管道对称位置时，两者应在同一水平面上。
3.When the measured fluid is steam,the condensate level in the condenser should be kept constant and the height of the condensation surface on the positive and negative pressure guide tubes should be consistent.When the positive and negative pressure ports are in the symmetrical position with the pipeline,they should be on the same horizontal plane.
以上三种孔板流量计取压口安装方式，均可与管道对称和管道的同一侧进行安装。
The above three kinds of orifice flow meters can be installed symmetrically with the pipeline and on the same side of the pipeline.
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