Ductile iron pipes have how installation instructions from 1, laying, in the process of the tube need to use the large equipment such as excavators, hoisting machine, at the same time according to the arrangement of experience 10 meters length ductile pipe
is suitable for 2 to 3 workers just laying.
Should put aprons are socket slot, compaction with the hand.
2, pipe installation should be flat, should be in a straight line between tubes, it comes to the tilt Angle, be careful.
3, determine the pipe distance, this part mainly age long pipe line truncation, and in accordance with the construction point of the pin end processing into groove shape, and applications.
4, play measurement, through the measurement to determine the installation of pipe shaft radian, vacancy, transfer form of linear ullage, corner ullage, in order to achieve stable to avoid displacement.
5, positioning line.
Positioning line is in order to achieve the purpose of, tube, pipe axis exist the same straight line with a wheelbase, this link is to guarantee the quality and speed of the installation, avoid the pipe loss effect of synthetic quality and progress.
6, pressure testing should be in the middle of each tube parts before proper turns the soil.
7, aim the interface connection pipe socket, if the insertion force is too large, do not forcibly inserted, in case of twisted rubber ring.
8 interrupted, pipeline installation and laying engineering, the application of the wall will tube mouth closed, and prevent soil sand and other debris into the pipe.
9, site selection, from the aspects of soil quality, near the pipeline to the selected route of ductile pipe installation, and form the construction drawings, paying special attention to is to avoid some corrosive unsafe installation path.
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