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# Snubber purchase

## Snubber purchase

(OP)
Sir,

During snubber purchase what are the parameters to be provided to a vendor?

Say the snubber linear direction is in x direction. X is the stroke direction.

Then a purchaser should provide the occasional load in x direction for which the snubber has to be designed and the thermal displacement in x direction.

Or should he also provide displacements in y and z direction also i.e. for stroke calculation only x displacement is needed or y and z are also needed?

The displacements mentioned above are displacements of the point where the snubber get connected to piping.

One more thing : The stroke is considered from the middle of the snubber or from end to end of the snubber?

Thanks and Regards

Thanks and Regards

### RE: Snubber purchase

These questions would be best answered by a manufacturer.

Otherwise, I've noticed a tendency of engineers to just dump mountains of data on the support vendor and rely on their engineering staff to pick out the few bits they actually need.

- Steve Perry
This post is designed to provide accurate and authoritative information in regard to the subject matter covered. It is offered with the understanding that the author is not engaged in rendering engineering or other professional service. If you need help, get help, and PAY FOR IT.

### RE: Snubber purchase

Well Parijat,
What you must ask yourself is whether the y and z displacements have any influence on the functional requirements of the snubber - to which the answer is yes. Both y and z displacements of the pipe will increase the stroke from just the x displacements. Also if significant then the snubber design has to accommodate lateral displacements of one end to the other. Does this give you a clue??

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