AB58 Pro Pressure Relief Valve
What Makes AB58 Pro a True Portable Espresso Machine?
Not all portable coffee makers can brew real espresso.
The AB58 Pro uses a manual pneumatic pressure system combined with a 58mm professional portafilter, giving you real extraction control — without relying on electricity or built-in pumps.
This is espresso for people who value freedom, not compromise.
What it including
Water Tank
Relief Valve
Frequently asked question
A 16 gram CO2 cartridge can pull about 6-8 shots when using it with the Airbarista AB 58 Pro espresso machine.
No. The AB58 is fully manual and pneumatic.
Yes. It’s intuitive for beginners while offering full control for advanced users.
You can use the CO2 or N2 cartridges, or a bike pump. For the bike pump, we suggest
The recommended specification for the gas cylinder is a 16-gram carbon dioxide cylinder, ensuring the cylinder is
threaded 3/8" - 24 TPI UNF.
This is one of the machine's best features—cleaning is incredibly simple. After each use, you only need to rinse the coffee portafilter and water tank, the machine itself won't get dirty at all.
Multiple Pressurization Options
From CO₂ and N2 cartridges to a high-power air pump, AB58 adapts to how and where you brew — at home, outdoors, or on the road.
Two ways to extract
AB58 Pro can do something you don't knowConstant pressure extraction
Parabolic extraction
