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Coriolis meters for high-pressure gas measurement

机译：科里奥利仪表，用于高压气体测量

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Coriolis metering technology is seldom used by natural gas pope line companies in the U.S. How-ever, this situation may change in the near future. The American Gas Association (AGA) Transmission Measurement Committee (TMC) has just published an Engineering Technical Note on Coriolis flowmeters intended for gas transmission and distribution pipe line service. The tech note provides a good overview of the current tare of the art of this technology and suggests that it may now be a viable option for metering gas pipe line flows. Coriolis flowmeters have been used successfully for decades to matter liquid flows. However, this technology is just coming to the fore for gas pope line applications.There are several reasons gas companies may find Coriolis meters appealing. The meters have no moving parts to wear out, have relatively low maintenance requirements, and can meter bidirectional flows. If their measurement performance and initial cost are at least comparable to competing measurement technologies, then they stand a good chance of gaining side acceptance with the gas industry. Another appealing aspect of Coriolis meters for gas pipe line applications is that they are a nice complement to ultra-conic flowmeters. Ultrasonic meters are finding broad application for custody transfer and check metering in pipe lines that are 4-in. diameter and larger. The 4-in. line size is the current practical lower limit for gas ultrasonic meters. The current upper-end line-size limit for Coriolis meters also is 4 in. in combination, these two technologies could cover the entire range of gas pope line applications. Several major gas meter manufacturers in United States already have both of these meter types in their product lines
机译：在美国，天然气教皇管道公司很少使用科里奥利计量技术。但是，这种情况在不久的将来可能会改变。美国天然气协会（AGA）传输测量委员会（TMC）刚刚发布了有关用于气体传输和分配管道服务的科里奥利流量计的工程技术说明。该技术说明很好地概述了该技术的最新技术，并建议它现在可能是计量燃气管道流量的可行选择。科里奥利流量计已经成功使用了数十年，以解决液体流量问题。但是，这项技术在天然气管道的应用中才刚刚起步。天然气公司可能会发现科里奥利流量计具有吸引力的几个原因。该流量计没有运动部件会磨损，维护要求相对较低，并且可以计量双向流量。如果它们的测量性能和初始成本至少可以与竞争对手的测量技术相媲美，那么它们就有很大的机会获得天然气行业的认可。科里奥利流量计在燃气管道应用中的另一个吸引人的方面是，它们是超圆锥流量计的很好的补充。超声波仪表正在广泛地应用于4英寸管道中的贸易交接和检查计量。直径更大。 4英寸管道尺寸是当前气体超声波仪表的实际下限。目前，科里奥利流量计的上限管线尺寸上限也是4 in。，这两种技术可以覆盖整个天然气管道应用范围。美国一些主要的燃气表制造商已经在其产品线中同时使用了这两种燃气表

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