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How to install air valves: A detailed guide to the correct installation of air valves on pipelines

机译:如何安装空气阀:有关在管道上正确安装空气阀的详细指南

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摘要

Air is always present in pipelines, however the air has to be managed through the installation of correctly sized, positioned and fitted air valves. Air valves are installed to provide three critical functions, namely: the removal of large volumes ofair through the large orifice during filling of the pipeline; the removal of small volumes of air during normal operation through the small orifice and the admission of air to the pipeline to relieve vacuum conditions on descending gradients.
机译:管道中总是存在空气,但是必须通过安装尺寸正确,位置合适的空气阀来管理空气。空气阀的安装提供了三个关键功能,即:在填充管道时通过大孔排除大量空气;在正常操作过程中,通过小孔排除少量空气,并允许空气进入管道,以缓解梯度下降时的真空条件。

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