Typical applicable locations are : air compressor vacuum pump compressing air pipeline pressure regulating valve testing equipment and medical sterilizer etc.

典型的应用场所为：空气压缩机、 真空泵、工艺 管路、调压阀、测试设备、医用消毒器等。

The traditional pressure distribution theory in air pipeline has been smashed by discovery of vacuum phenomena in the outlet of air pipeline . The view that there is no vacuum in the outlet of fan has been changed .

空气 管道出口处 负压现象的发现，打破了传统的空气管道终端压力分布理论，改变了人们长期形成的风机出口 管道终端不会出现负压的观念。

Remake of vacuum oil pipeline in refinery unit and pipeline stress analysis

减压转油 线改造与管系应力分析

As a drainage system vacuum drainage system uses high speed airflow caused by pressure difference between the atmosphere and the pipeline to take away the wastewater from apparatus .

真空排水系统是一种利用气压差所产生的挟裹污水的高速气流来把污水从器具中 取走的排水系统。

It is considered that the results are important base to further study and predicate the air exhausted time for vacuum drying of long-distance pipeline .

研究结果对进一步进行长 输 管道 真空干燥抽气时间的预测研究提供了重要的依据。

The important parameters to design vacuum station and pipeline are researched profoundly .

对 真空 输送 管网 和 真空站重要参数作了研究与设计。

Especially before study the hydraulic computation through experiment we have studied the type of the wastewater running in the vacuum pipeline .

特别的，在进行水力计算研究之前，通过实验室装置研究了 真空污水 管道 内的污水运动 流型。

Study on the Net Speed of Vacuum Pump in Long-distance Pipeline Vacuum Drying

长 输 管道真空干燥 真空泵有效抽速的研究

The vacuum transfer line is an important pipeline in refining atmospheric and vacuum distillation unit .

减压转油线是炼油常减压蒸馏装置中的一个重要 管道。

Process equipment and technique index of vacuum pipeline waste col le ction system were introduced and key technologies of the system were discussed .

对 真空 管道垃圾收集系统的工艺、设备及技术指标做了介绍，并对其关键技术进行了探讨。

GD high vacuum flapper valve is used to put through or cut off the airflow in vacuum pipeline .

GD型高真空挡板阀用于接通或切断 真空 管路中的气流。

Vacuum Phenomena in the Outlet of Air Pipeline Export Procedures

空气 管道出口处的 负压问题

GDC-5 Electro High Vacuum Flapper Valve ■ GDC-5 electro high vacuum flapper valve is mounted in vacuum pipeline to put through or cut off the airflow in vacuum system or used as a charging vale .

GDC-5型-电磁高真空挡板阀■GDC-5型电磁高真空挡板阀是连接在 真空 管路上，用来接通或截止真空系统中的气流，或作充气阀用。

GI High Vacuum Butterfly Valve ■ GI high vacuum butterfly valve is used to put through or cut off the airflow in vacuum pipeline .

GI型-高真空蝶阀■GI型高真空蝶阀用于接通或切断 真空 管路中的气流。

The influence of pipeline flow resistance on net speed of vacuum pump is analyzed in long-distance pipeline vacuum drying the calculation method of net speed of vacuum pump is given and checked up with site experiment .

分析了长 输 管道真空干燥中 真空泵组的有效抽速受管道流阻的影响，给出了有效抽速的计算方法，并用现场实验对其进行了验证。

The fourth chapter describes the method of mechanical analysis which is used to analyze vacuum tubes and then simulates and calculates the internal force compare the internal force characteristics at the different vacuum finally make the reinforcement and calculation of carrying pipeline .

第四章首先说明了承载 管道的力学分析方法，然后对其进行了内力模拟，比较不同 真空 度时的内力特性，最后对混凝土管片做配筋和检算。

Brief introduction of the vacuum drying technology for the pipeline

管道 真空干燥技术简介

Vacuum technology Pipeline fittings Mounting dimensions

GB/T16709-1996 真空技术 管路配件装配尺寸

Analysis and Precautionary Measures of Explosion Accident of Check Valve in Vacuum Insulation Pipeline

真空绝热 管道止回阀爆炸事故的分析与防范

GUD electric high vacuum ( pressure ) ball valve uses electric device to drive the stem and ball for open and close thus to put through or cut off the medium flow in vacuum ( pressure ) pipeline .

GUD型-电动高真空球阀是以电动装置驱动阀杆与球芯来执行启闭动作，达到接通或切断 真空 系统 管路中的介质流。

Thermal analysis of steel-jacketed vacuum insulated heating pipeline

钢外护管高温蒸汽 真空保温 管道热力计算分析

Taking liquid hydrogen fueling pipeline for example this paper discusses the reconstruction scheme puts forward the vacuum multilayer thermal insulation technology to reconstruct test stand cryogenic pipeline system and introduces the system performance after reconstruction .

以液氢加注管道为例，探讨了改造方案，提出用 真空多层绝热方式改造试车台低温 管路系统的思想，并介绍了改造后的使用效果。

Design and Study of a Software of the Computer-monitor System for Vacuum Pipeline Collection

厕所 真空收运 管网微机监控系统的软件设计

Expert System of Vacuum Drying on Long-distance Pipeline

长 输 管道 真空干燥专家系统