tightness test

In recent years part of domestic oil and gas fields proposed the requirements on gas tightness test for individual high-pressure shaftmouth device.

近年来我国部分油气田因开采情况的变化，相继对各高压上井装置提出了进行气密封试验的要求。

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Purpose : To test check valve No.2 for tightness againstflow.

目的: 检测止回阀2号对于回流的紧固性.

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Inquiry about the Tightness Test of Large Turbogenerator

对大型汽轮发电机严密性试验的探讨

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Analyzing the Affection of Vacuum Tightness Test on Thermal Economy of Steam Turbine

真空系统严密性试验对汽轮机热经济性的影响分析

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The developed MMU passes the test and its feasibility and Tightness are verified.

测试结果表明本文设计MMU的合理性和正确性.

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Theoretic Time Curve Calculation in Pipeline Gas Tightness Test

燃气管道气密性试验打压时间曲线的理论计算

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Tightness test ( opening and closing test, emergency opening and closing test ) for cargo hatch cover.

货舱舱口盖密性试验 ( 启闭试验 、 应急启闭试验 ).

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Research on Obtaining More Information by Vacuum Tightness Test of Steam Turbine

利用汽轮机真空系统严密性试验获取更多信息的研究

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The paper analyzes the leakage and risks of throbbing pipe and points out that the present method of water tightness test is not suitable for the throbbing pipe construction in the soft-soil and high-water-level area, putting forward ways to solve the problem.

本文对顶管施工后的渗漏及其危害性进行分析，指出了当前普遍采用的闭水试验验收方法不适合高水位软土地区顶管施工，提出了相应解决办法。

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Purpose : To test check valve No. 2 for tightness against reverse flow.

目的: 检测止回阀2号对于回流的紧密度.

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A Torque and Tightness Test Rig for Vacuum Assistor Cover

真空助力器壳体扭矩与密封性试验台

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At present, the appraising index is the rate of vacuum down obtained from vacuum tightness test.

目前，评价汽轮机真空系统严密性的指标是真空系统严密性试验得到的真空下降速度。

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After the tightness test, a functional test of each scrubber shall be carried out in accordance with written test procedures approved by the employer.

气密性试验完成后，还应根据业主批准的书面测试程序，对洗涤器进行功能测试。

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Research of the Conversion Relations between Permeation Amount for Closed Water and Decompression Amount for Closed Air for the Air tightness Test of High Pressure Vessel

高压容器气密性检测的闭水渗透量与闭气降压量换算关系的研究

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Check all fluid levels and seal tightness after the engine test run.

发动机试运行后，检查所有液位及密封紧密性。

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Research on the correcting method to the results of vacuum system tightness test of steam turbine

汽轮机真空系统严密性试验结果的修正方法研究

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Superstructure compressed air ( water supply , fire fighting , smoke detection ) piping tightness test.

上层建筑压缩空气管系 ( 水管 、 防管 、 雾探测管 ) 性试验.

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By means of analyzing the solubility and solubility rate of gas in water, and making application of double-film theory and Fick's law, the solubility rate of nitrogen in water is theoretically calculated in gas tightness test.

通过对气体在水中溶解度和溶解速率的分析，应用气体溶解速率的双膜理论和气体扩散的菲克定律，从理论上计算出气密性试验中的氮气在水中的溶解速率。

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Be responsible for the inspection of piping tightness test , pressure test, strength test, zincification, acid cleaning.

负责管系的密性 、 试压 、 强度试验 、 镀锌 、 酸洗的检验、报验.

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Cleaning and tightness test should be done about correlation piping.

3相关管路清洁完毕,并经过密性试验、验收结束.

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Dry air tightness test methods mainly include direct pressuredrop method and internal pressure differential method.

干式气密性检测方法主要有直接压降法和内压压差法。

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To ensure the air tightness and test the performance of devices.

一方面确保装置安装的气密性，另一方面测试装置的性能。

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Air tightness test for auxiliary boiler ( economize boiler) on board.

辅锅炉（废气锅炉）装船后气密试验。

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Based on the simulation of vacuum tightness test in various operation conditions of condenser, the affection of vacuum tightness test in various operation conditions of condenser on stress of cooling tube is analyzed.

通过对凝汽器在不同运行参数条件下汽轮机真空系统严密性试验的仿真，分析了凝汽器在不同运行条件下，真空系统严密性试验对凝汽器冷却管热应力的影响。

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A series of gas tightness test was examined for the gas tightness ensurance of the test bed.

之后进行了一系列的气体密封性实验，以考察实验台的密封性能。

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Air tightness test for auxiliary boiler ( economize boiler ) on board.

辅锅炉 ( 废气锅炉 ) 装船后气密试验.

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Analysis on Results of Air Tightness Test of Generator

发电机严密性试验结果分析

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Purpose : To test check valve No.2 for tightness against flow.

目的: 检测止回阀2号对于回流是否紧密密封.

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Air tightness test and safety valve adjusting for main air receiver ( control air receiver, air horn receiver) on board.

主空气瓶（制空气瓶、笛空气瓶）船后气密试验和安全阀的调整。

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Tightness test both the shell and tube sides of the exchanger to check that the flange gaskets are holding tight.

紧力测试对热交换器的管程与壳程，检查法兰垫圈是否紧密。

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