How to get a wire from the inside to the outside of a pressure vessel?

Asked Jun 28 '23 at 04:06

Active Jun 28 '23 at 04:06

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Imagine you have a pressure vessel, e.g., the hull of a deep sea submersible. A good one would be a sphere of inches thick metal. But how could I wire the inside to a component on the outside? If I were to just drill a hole straight in and thread the wire through and seal it with caulk or something, I severely doubt that could resist extreme amounts of pressure.

So how is it done?

asked Jun 28 '23 at 04:06

CPlus

Start by searching for bulkhead connectors and then consider pressure – Solar Mike Jun 28 '23 at 04:49
To prevent crack propagation under pressure also look into reaming the hole. – Fred Jun 28 '23 at 07:27
Have you done an online search for feedthrough "pressure vessel"? Looked at the scientific and technical literature on the topic (example)? – Chemomechanics Jun 28 '23 at 20:20
@Chemomechanics But how do those work? – CPlus Jun 28 '23 at 20:21
1

They work pretty well, actually. (That's a joke.) Seriously, I doubt you actually reviewed the information at the links in the one minute between our comments. So why would someone make the effort to write a long answer here? – Chemomechanics Jun 28 '23 at 20:30

How to get a wire from the inside to the outside of a pressure vessel?

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