The pipe fitting has the advantages of simple manufacturing process, easy control of the heating process of the pipe fitting, longer service life and good welding quality.
该类管件制造工艺过程简单，管件加热过程易于控制，具有较长的使用寿命，焊接质量好。
The molten observation hole needle (3) is arranged on the pipe fitting body so that a welding progress can be conveniently detected, and the welding quality can be controlled.
焊接熔观察孔针(3)设置在管件本体上，方便检测焊接进程，控制焊接质量。
Our company mainly products seemless steel-pipe, ASTM, JIS, DIN, API5L, ERW and all kinds models and specifications of seemless steel-pipe, welding pipe and fitting.
公司主营无缝钢管、美标（ASTM）、日标（JIS）、德标（DIN）及API5L、ERW各种型号和规格无缝管、焊管及管件。
应用推荐