This article Outlines the features, application and applicable standards at home and abroad of casing pipe union, etc.
综合概述了套接式管接头的特点、应用、国内外标准等。
On the basis of the structure of homemade standard pipe union joint, a new handy union joint, which can be easily reassembled and no special tool applied, is designed.
在国产标准管件活接头结构的基础上，设计了一种拆装方便，不需专用工具，只要用手即可完成拆装任务的新型快速活接头。
It is indispensable to install a suitable pipe union in the pipeline, in proximity to the burner, to allow for easy disassembly of the burner and opening of the boiler door.
为了便于燃烧器拆卸和打开锅炉门，在接近燃烧器的管子的地方装上合适的活接是必不可少的。
Compared with available multi-layered pipe union, the present invention has simple manufacturing process, low cost, high noise absorbing performance and high sealing effect.
它解决了已有的多层连接管件存在的制造工艺复杂、加工模具难度大、成本高、吸收噪音不理想以及连接管件与管子之间密封效果不理想的问题。
Its upper end is drill pipe box or union, the nether end is casing pin. It is a crossover with hollow inside.
它是个上端为钻杆母扣或者由壬，下端为套管公扣，内空心的转换接头。
In an effort to address that problem, the European Union TRACT project is developing a propeller-driven inspection robot that keeps the pipe-touching to a minimum.
在努力解决这一问题，欧盟TRACT项目正在开发一种螺旋桨驱动检测机器人，保持管道，触摸到最低程度。
The present invention discloses a sealing union, which comprises a union of pipe fittings with groove and two sealing rings.
本发明公开了一种密封内接头，所述一种密封内接头包括一个有槽管件内接头和二个密封圈。
The utility model is composed of a bottle stopper perforator, a triplet with plus drug, a drip kettle, a control clamp, a reducer union, scalp acupuncture, a thick and a fine conduit pipe.
它由瓶塞穿孔器、加药三通、滴壶、控制夹、变径接头、头皮针和粗、细导管等构成。
The utility model is composed of a bottle stopper perforator, a triplet with plus drug, a drip kettle, a control clamp, a reducer union, scalp acupuncture, a thick and a fine conduit pipe.
它由瓶塞穿孔器、加药三通、滴壶、控制夹、变径接头、头皮针和粗、细导管等构成。
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