VEVOR 170oz Mini Keg, Pressurized Growler Tap System, 304 Stainless Steel Beer Kit, with Co2 Regulator, Self-Closing Faucet, Keeps Fresh and Carbonation for Homebrew, Craft and Draft Beer
The test pressure of the mini keg tank is 4 bar, approximately 58 PSI. The keg will not deform or crack under this pressure. Beer keg cylinders are unsafe below 60 psi.