在把压力升到每一个试压压力的过程当中，为了计算试压管线当中空气的体积要进行两次测试。
During the pressurization to each test pressure, two tests shall be carried out for the calculation of air volume in the pipeline under test.
管线测径的目的是在试压之前确定管道存在的失圆、皱痕、凹坑或其他变形的程度和管线的通过能力。
The purpose of the pipeline caliper is determined before the pressure pipeline existing lost round, wrinkles, indentation or other and degree of deformation of the pipeline through the ability.
对任何管线和容器试压时，所有的井队职员都必须阔别高压区，直到试压结束。
When pressure testing any lines, vessels or assemblies, all rig personnel must be removed away to a safe area until pressure is released.
报道上海城市燃气工程中，浦东新港首站至北蔡末站天然气供气管线的通球扫线、全线整体试压以及氮气置换的施工实例。
It reports a practical engineering of natural gas supply pipeline from Pudong New Port to Beicai Station in Shanghai metropolitan fuel gas project.
分析表明：该管线的变形失效是在加套管过程中工艺安排不当所致，在施工过程的试压期间引起了内管的外压失稳，使内管产生永久的变形。
The impact of some key construction links on destabilization of the external pressure of the inner pipes was analyzed and verified in the course of pope-line rebuilding.
本文对海南气体处理厂主体工程中管线试压的检验方法和结果的记录作了总结性介绍；并对管线压力试验提出几点建议。
This paper gives a summary introduction to the inspection processes and result records in the piping test in the Hainan gas processing plant, and also makes some suggestions on the piping test.
本系列产品主要用于防喷器，阀门，防喷管线，内防喷工具、井口装置等产品的水压试压检验。
This series of products mainly used in BOP, valves, blowout pipeline, the BOP tools, wellhead equipment and other products of hydraulic pressure test inspection.
本系列产品主要用于防喷器，阀门，防喷管线，内防喷工具、井口装置等产品的水压试压检验。
This series of products mainly used in BOP, valves, blowout pipeline, the BOP tools, wellhead equipment and other products of hydraulic pressure test inspection.
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