Automatic expansion compensation type pipe joint
A pipe joint and compensation type technology, which is applied in the expansion compensation device for pipelines, pipes/pipe joints/fittings, pipe components, etc., can solve problems such as leakage
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[0019] see figure 1 and Figure 5 , these two drawings show the overall structure of the appearance of the first embodiment of the self-expansion compensating pipe joint proposed by the present invention. The pipe joint includes a first joint part 2 and a second joint part 3 respectively arranged at the ends of two pre-connected pipes 4 , and an elastic sealing part 6 .
[0020] The first joint part 2 and the second joint part 3 can be made into a structure similar to that of flanges in the prior art, that is, they are made of disc-shaped plates, and axial through holes 23 and 33 are arranged on them. . Corresponding annular recesses 22 and 32 are respectively provided on the abutting end surfaces 21 and 31 of the first joint part 2 and the second joint part 3 . An elastic sealing member 6 is respectively installed in the annular recesses 22 and 32 , and each elastic sealing member 6 is provided with an annular groove 61 perpendicular to the annular recesses 22 and 32 and h...
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