The invention also relates to a method and a device for manufacturing the external thread of the sealing pipeline and a thread pair pipe fitting of a guide-type interference fit pipe.
本发明还涉及密封管道外螺纹的制造方法、制造装置以及导入式过盈配合管螺纹副管件。
A branching device connects a branch pipe to a main pipe through an orifice in the main pipe utilizing a saddle-like sealing member.
分支装置使用管托状的密封件通过主管上的管口将支管连接到主管上。
To solve this pivotal problem, the design of special device to finish machining the sealing surface of soldered pipe board and bundles in locale becomes urgent.
针对这一问题，设计了一种能在现场对管束焊装后的管板密封面进行精加工处理的专用装置。
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