Piping

banu....

What you seem to describe is a "coldspring" of the piping segment.

"Piping Coldspring" can be described as the process of physically moving a segment of pipe in order to bring it into alignment for fabrication (usually welding)

If one end of the bend is fixed and there is a long cantilever piece on the other end.....and you deflect the cantilver end, then the bend will ovalize.

There will then be coldspring in your system.

Is it OK....well,then..... you as the responsible piping engineer must determine that.

Thank goodness this is not your very first field assignment installing high value piping systems !!!

At 150mm @52m the angular misalignment stressing the pipeline is of the order of 10'.

Normally these misalignments are not likely to have much of an effect, especially since in the end the bend will be in the form of a catenery.

Also I suppose there has to be somewhere on the way a coupling or a loop to take care of the thermal expansion? that too is likely to help.

UD15