What is the reason why the saddle's anchor bolts are asymmetrical?
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For NB/T47065.1-2018 DN2100~DN4000 saddles, the center line of the anchor bolts is asymmetrical on both sides, one on one side and two on the other side. What is the reason for this arrangement?
Since a saddle of 2.1~2.8m only has two screw holes, and a saddle of 2.9~4m only has 4 screw holes, it is marked as such on the picture as a reminder, not one on one side and two on the other side.
This means that one support has different openings. One support has a round hole and the other has an elongated round hole. This is to solve the problem of the different thermal expansion and contraction of the container on the support base and avoid causing greater temperature difference stress on the container. It is not that the holes on both sides of the symmetry line of a support are different. This should be common sense.
Isn't this asymmetrical? Above 2100, there are two holes on one side.