这个标准涵盖采用承插热熔和对焊热熔方法对聚烯烃材料管道和连接件进行热连接的程序。
This standard covers the procedures for the heat joining of pipe and fittings made from polyolefin materials utilizing either the socket or butt fusion methods.
它们以前仅仅涵盖承插类型连接件。
加工成承插焊和螺纹混合的连接型式。
Fittings can also be processed into the combination models of socket and threading.
我们为用户提供下列规格的承插和螺纹管件产品。
We provide our clients with socket welded and threaded fittings in the following specifications.
这些接触桥(3)向所述承插筒的中心朝里拱弯。
Contact links (3) are curved in an inward manner on the centre of the tip jack shaft.
通用承插焊止回阀是为要求焊接的应用场合而设计的。
The Universal Socket Weld check valve is designed for use in applications where weld joints are required.
聚乙烯管件热熔承插和热熔对接接口抗拉强度及爆破强度均高于管材本体。
PE pipe hot melt socket and hot melt docking interface tensile strength and blasting strength are higher than the pipe ontology.
将管件分成与管子连接的两端的承插部分（1）和中间的弯曲部分（2）。
The pipe fitting is divided into a socket part (1) of two ends connected with a tube and a central bending part (2).
论述了承插式铸铁管作井管的优点和设计原理，实践证明效果良好，值得推广。
The paper introduces design principle of pipe well using socket and spigot connected cast iron pipes as pipe material. The results are effective.
在分析国内外现有网架(壳)节点的基础上，提出了一种新型单槽齿承插式节点。
A new kind of grid shell node named single trough node is discussed in this paper.
有必要采用底漆来渗透和软化管道和管件承插端口表面，使得液状粘固剂能够完全粘结。
Primer is necessary to penetrate and soften both pipe and fitting socket surfaces in order for the solvent cement to properly bond.
当指定用316不锈钢阀时，3c系列承插焊接阀的标准阀体盖也是316 (CF 3m)不锈钢。
The standard body caps of the Series 3c socket-weld valves are 316 (CF3M) stainless steel when a 316ss valve is specified.
介绍上海市政排水管道常用的承插式、企口式和钢承口式柔性接口混凝土及钢筋混凝土排水管，及其这些排水管材的生产工艺。
This article describes the concrete and reinforced concrete drain pipes with spigot and socket, rebated socket or steel-collar socket flexible joints, and the process for their fabrication.
介绍上海市政排水管道常用的承插式、企口式和钢承口式柔性接口混凝土及钢筋混凝土排水管，及其这些排水管材的生产工艺。
This article describes the concrete and reinforced concrete drain pipes with spigot and socket, rebated socket or steel-collar socket flexible joints, and the process for their fabrication.
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