Recently made the switch from vinyl tubing to Accuflex Bev-Seal Ultra Barrier Tubing 3/16" ID. I have a four tap keezer using Perlick 650SS flow control faucets.
With vinyl tubing, I have been able to reasonably balance my lines using online calculators. However, with the Bev-Seal, I am...
Agree with spittybug. Don't carb until after lagering, however, be sure to connect to CO2 for a minute or so and pull on the pressure relief valve 5-10 times to purge oxygen. Then disconnect CO2 and lager away. Also, Some recommend seating lid by applying 25-30 psi.