When ordering Butt Welding End valves, specify schedule of pipe end and give complete data concerning style, figure number and contour of weld end.
在订购对焊连接阀门时，要指定管道连接端口的管壁厚度，并且提供有关类型、型号和焊接端等高线等参数。
When ordering other than standard Butt Welding end valves, specify schedule of pipe end and give complete data concerning style, figure number and contour of weld end.
如果订购其它标准的对焊连接的阀门，请告知管道管壁厚度标准，以及种类、型号和焊接端轮廓等参数。
In practice, the executive mechanism of PLC controlled Cu-Al pipe butt welder meets the expectation for high quality Cu-Al welding completely.
实践证明，PL C控制型铜铝管对焊机的执行机构完全满足铜铝管优质焊接的要求。
Induction pressure welding is often used to manufacture the butt joints of steam pipe of power plant.
感应压力焊常用于生产电站蒸汽管对接接头； 但在抽检样品时接头断口上有时存在所谓的“白斑”组织。
The key of Cu-Al pipe butt welding is to control the welding parameters. In the original control system, all welding parameters were controlled by time-relays.
铜铝管焊接的关键是对焊接参数的控制，原控制系统采用时间继电器控制焊接参数。
Therefore the general construction process scheme is worked out as follows: open trench drainage, work site dried in the sun, conventional butt welding, and pipe laid down into trench.
经过调研和反复现场勘察，确定的总体施工方案为：挖明沟排水，作业带晾晒，正常组对焊接，沉管下沟。
A reliable way to improve the quality of spiral pipe was the substitution of high frequency butt welding for HF lap welding.
高频对焊代替高频搭焊是提高中直径螺旋焊管质量的可靠途径。
Parameters of butt fusion welding of plastic pressure-pipe are different for varying pipe diameters and ambient conditions, and it is also affected by personal factor.
塑料压力管道热熔对接焊的工艺参数随管道尺寸和环境条件的不同而不同，同时还受人为因素的影响。
For butt welding of the carbon steel pipe.
用于各种碳钢钢管的环缝对接。
The whole procedure includes preparing steel strip and butt welding, forming and fixed position welding, pipe output and cutting, and final submerged arc welding.
其整个工艺包括带钢准备和对接、成型及定位焊、管子输出和切割和埋弧终焊。
In this paper, the residual welding stresses in a low carbon steel girth butt welded pipe are calculated with a nonlinear finite element code ADINA.
本文利用ADINA非线性分析有限元程序，对低碳钢管道环焊缝接头焊接残余应力进行计算。
The discussion involves such aspects as the cause of strip folding occurring in butt-welding process of spiral weld pipe, negative influence by such failure on pipe quality and preventive actions.
介绍了螺旋焊管生产中对头焊带钢的硬弯现象发生原因，对钢管质量的危害及防止措施。
This paper, based on analyzing the process of Cu-Al pipe butt welding, discussed the design of the executive system and control system for PLC controlled Cu-Al pipe butt welder.
在分析了铜铝管焊接工艺过程的基础上，重点论述了铜铝管对焊机执行系统和控制系统的设计。
Temperature and residual stress fields of industrial pipe discontinuous and continuous butt welding was simulated by ABAQUS.
应用大型有限元分析软件ABAQUS，对工业管道间断焊与连续焊的温度场和残余应力场进行数值模拟。
A control system of a butt fusion welding machine for PE pipe is introduced in this paper.
介绍了一种聚乙烯管道热熔焊机控制系统。
Germany RBT import external thread needle valve can be equipped with stainless steel welded pipe, and pipeline butt welding connection, but also through the outer nut removing the valve.
品牌：进口外螺纹针型阀可配带不锈钢焊接管，能与管道直接对焊连接，也可通过外螺母拆卸阀门。
Germany RBT import external thread needle valve can be equipped with stainless steel welded pipe, and pipeline butt welding connection, but also through the outer nut removing the valve.
品牌：进口外螺纹针型阀可配带不锈钢焊接管，能与管道直接对焊连接，也可通过外螺母拆卸阀门。
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