30 bar is not a lot. A SodaStream CO2 cylinder has twice that at room temperature [1]. The pressure inside your air conditioner is probably not much lower eithe

30 bar is not a lot. A SodaStream CO2 cylinder has twice that at room temperature [1]. The pressure inside your air conditioner is probably not much lower either. I would be very surprised if a 30 bar vessel for an inert gas required routine inspection. [1] https://support.sodastream.com/hc/en-ca/articles/4403801971483-MSDS https://support.sodastream.com/hc/en-ca/articles/44038019714...