Large pipe manifolds needed (like, water main size)

[Sci]

Okay, this is related to the vacuum projects. It occurred to me that a
pipe T-section with a 10" ID (internal diameter) could make a nice
vacuum chamber for the high-vac station, since it'd be bolt-on, and so
would covers/viewports for it.

Likewise an extension piece would make a good vacuum-degassing chamber
for peoples resins.

Of course these aren't exactly consumer-grade items, but maybe
someone'll know someone?
It'd be a lot simpler than getting vac-tight welds converting old
pressure vessels.

~ Sci