而一般小口径管道弯头，多由工厂按标准生产成形弯头不用现场制作。
General small-diameter pipe elbow, more than the standard production by the plant site produced without forming elbows.
当温差超过一定值时，由它所引起的弯曲环向应力使管道弯头焊缝爆裂。
Once the temperature difference was higher than a certain number, the bending hoop stress induced by it made the welding crack of pipeline elbow explode.
介绍了一种利用管状单曲率多面壳体液压胀形制造薄壁管道弯头工艺方法。
This paper presents a method to manufacture pipe elbows by hydro-bulging a tubular single-curvature polyhedron.
采用有限元法分析埋地管道弯头附近固定墩受力情况，建立了管道-土-固定墩相互作用模型。
The model of interaction effect, including pipingsoilanchorage, has been built by analyzing the forces exerted on buried piping elbow with FEM.
国内某长距离煤气输送管道于1993年投入运行以来，先后三次在管道弯头部位出现裂纹，导致煤气泄漏。
Crackings occurred three times in elbow bend since one domestic long distance gas transportation pipeline came to used in 1993.
排泄弯头设计结构应该能够承受泵、电机和排泄管道的全部压力。
The discharge elbow shall be designed to carry the full weight of the pump, motor and discharge piping.
另供应各种管道配件，如弯头、法兰等。
Another, flange supplying the various pipeline accessory, if elbow etc.
将管子弯头握住在位置上，图5，在压紧联轴节上六角顶部标注管道水平位置。
Hold tube bend in position, Fig. 5, and mark tube on level with top of hex on compression coupling. Cut off tube at this mark.
本文主要介绍玻璃钢管道系统所用的三通、弯头等管件样板的制作方法及有关的设计计算，以提高玻璃钢管件的生产效率。
This paper mainly introduces designing and manufacturing methods of templates for FRP pipe fittings such as tees, elbows used in FRP pipe system for sake of enhancing production efficiency.
文末用算例说明了水平弯头的曲率半径和弯头夹角对管道内力、位移的影响。
Examples are given at the end of the paper to show the influence of the horizontal elbow radius and Angle on the pipeline internal forces and displacements.
结果表明，该主蒸汽管道的弯头、焊缝热影响区和三通等部位石墨化严重，部分部件需要更换。
The results show that the graphitization of the bent, HAZ and tee of the main steam pipeline stand is severe, and the relevant components should be replaced.
作为对弹性抗弯铰模型的补充，本文进一步分析了埋地热输管道大曲率半径水平弯头受载结构强度。
As a supplement to the elastic hinged mode to bending the loaded structural strength of the horizontal buried heated oil pipeline is further analysed in this paper.
介绍在电力行业设备安装、检修过程中管道等径弯头任意角度、任意弯曲半径的展开计算方法。
The paper introduces the developed calculation of the arbitrary Angle yoke of equal radius in the process of installation or repair of the pipes.
另供应各种管道配件，如弯头、法兰等。
We usually use elbow (bend, flange, tee, reducer) as a kind of pipe fitting.
在燃气管道设计中对管道转角的处理，可以采用机制弯管、热煨弯头、冷弯弯管、弹性敷设。
The mechanical elbow, hot-bending bend, cold-bending bend and elastic installation can be used to handle pipeline corners in design of gas pipeline.
风管配件、弯头建造均应切合天下通用管道配件图表中的要求。
Making of accessories of air tube, elbows should be in compliance with requirements in the diagrams of national general pipe parts.
研究含缺陷弯头的塑性承载能力在整个压力管道系统安全评定中占有重要地位。
So it is very important to know the effect of cracks on the collapse loads of elbows for integrity assessment of the piping system.
在海水管道系统中，由泵、阀门、弯头等元件引起的压力脉动(即流噪声)是主要的噪声源，消声器被广泛应用于抑制流体压力脉动。
Fluid pressure pulse is one of the main noise source in water piping system, mufflers are widely used to restrain pressure pulse.
在燃气钢质管道清管过程中，皮碗式清管器受到的磨损较大，而且管道中各类弯头和三通件要求清管器的长度合适，否则容易造成卡堵。
Leather cap type pig has higher abrasion during pigging gas steel pipeline. Furthermore, various elbow bend and tee joint need different suitable length pig or else easy to cause pipeline clog.
还配套生产了三通导气管、弯头导气管和钢钉管道固定夹。理想寿命20年。
Meanwhile the pipe is also matched with tee joint for gas distribution and elbow pipes as well as steel clamps, which have been proven for 20 - year use.
弯头，三通，大小头，法兰，管帽，无缝沧州永旺管道制造有限公司。
Cangzhou Yongwang Pipeline Manufacturing Co., Ltd. is a manufacturer of Elbow, Tee, Reducer, Flange, Tube Top Cap Closure Products all kinds of Pipe f.
从进口球阀和安全阀上的弯头处拆卸感应管道。
Detach the sensing line from the inlet ball valve and the elbow on the relief valve.
无论是用管道输气、输油，凡有管道的地方，都少不了弯头、异径接头、三通、管帽等管件。
Nomatter transporting gas or oil, there are pipelines, there are pipe fittings such as bend pipe, reducing joint, T-pipe, pipe cap and so on.
长输管道多不采用短节拼装的弯头。
Pipeline many do not use a short section of the elbow assembly.
管道弯节万能画线仪是一种管道维修安装时制作钢管弯头的工具。
Disclosed is a universal drawing instrument for pipe elbow, which is a tool for making steel pipe elbow during the maintenance and installment of pipes.
管道弯节万能画线仪是一种管道维修安装时制作钢管弯头的工具。
Disclosed is a universal drawing instrument for pipe elbow, which is a tool for making steel pipe elbow during the maintenance and installment of pipes.
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