What are the preparing work before install the rubber joint of pipe.

joint series products specializing in the production, the professional and technical personnel just about in front of the tube under the rubber joint preparation:

1, the groove of the inspection

Check the tube before dealing with groove, basically have the following content.
Check the bottom of the channel for sundry, if any should be cleaned up, the bottom of the channel in case of the coffin, waste, such as an unclean thing, should be clean and foundation treatment, disinfection as needed.
Check the bottom of the channel width and height, should guarantee the pipeline structure on each side of the working width, the bottom of the channel height to conform to the current inspection standard and reject should undertake nap.
Check whether there is slot to help crack and the danger of collapse, such as useful support reinforcement method processing.
Check slot edge height pile soil, on one side of the pipe under the pile of soil is too high, too steep, should be managed according to the need to sort, and should meet the safety requirements.
Inspection of foundation and foundation, such as have been disturbed, should be handled, winter pipe shall not be laid on the frozen soil.
Based on concrete pipe up and down, besides check the base surface elevation must meet the quality standards, at the same time mixed suspected soil strength should be 5.0 MPa shall be in the base tube up and down.
Pipeline ditch before, should be within the trench collapse patch, rocks and snow, rain, take sludge clean;Check the pipeline or the depth of the culvert, elevation and section size, and should comply with the design requirements;Regarding the section of pipe trench, soft mat layer thickness is not less than 300 mm, bottom should be flat, no stones.

2, pipeline inspection

The pipe before under the tools and equipment must be carried out safety inspection, found the abnormal situation, must be timely repair and replacement.
 

The pipe shall be inspected before pipes, pipe fittings and interface material meets the quality requirements.