newbie airbag questions

[t300]

So I bought a 1970 c10 last month, and after a couple weeks of pondering, I ordered in a few parts. Some of those being a manual airbag setup (thanks Travis @ properformance!).

A couple questions while I wait for the loctite 545 sealant to show up (had to order in from the local industrial/AG supply store!)

- kit came with plastic (nylon?) line. is this fine to run into the bags, or should I get 4x 18" or so hydraulic hoses made up to act as flex lines attached to the bags? The kit supplied PTC 90degree fittings.
- any suggestions on where to run the lines in/out of the cab? I'd like to limit the amount of entry and exit points
- I assume it would be a good idea to put a schraeder valve on the tank as a backup in case the compressor fails?
- does anyone install a (200psi??) blowoff valve on the tank itself in case the pressure switch fails or the compressor just 'keeps on pumping' for some reason? Or is it common to just rely on the compressor itself to shut off before then? Using an Viair380c

thanks!
Matt