Pipes & Pressure

[Quidam]

I've not yet purchased this asset, but am working on a project involving pipe and wondered if this asset would suit. Are there any examples of it moving through hollow cylinders?

Also, while I can see from the demos that it is affected by gravity, to what extent are the effects of pressure modeled? If a pipe is filling up but gets capped, does it continue to fill up as if the cap were air-permeable?

Thanks!